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authorTom Rini <[email protected]>2024-10-08 13:56:50 -0600
committerTom Rini <[email protected]>2024-10-08 13:56:50 -0600
commit0344c602eadc0802776b65ff90f0a02c856cf53c (patch)
tree236a705740939b84ff37d68ae650061dd14c3449 /tests/suites/test_suite_psa_crypto.function
Squashed 'lib/mbedtls/external/mbedtls/' content from commit 2ca6c285a0dd
git-subtree-dir: lib/mbedtls/external/mbedtls git-subtree-split: 2ca6c285a0dd3f33982dd57299012dacab1ff206
Diffstat (limited to 'tests/suites/test_suite_psa_crypto.function')
-rw-r--r--tests/suites/test_suite_psa_crypto.function10792
1 files changed, 10792 insertions, 0 deletions
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
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+++ b/tests/suites/test_suite_psa_crypto.function
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+/* BEGIN_HEADER */
+#include <stdint.h>
+
+#include "mbedtls/asn1.h"
+#include "mbedtls/asn1write.h"
+#include "mbedtls/oid.h"
+#include "common.h"
+
+#include "mbedtls/psa_util.h"
+
+/* For MBEDTLS_CTR_DRBG_MAX_REQUEST, knowing that psa_generate_random()
+ * uses mbedtls_ctr_drbg internally. */
+#include "mbedtls/ctr_drbg.h"
+
+#include "psa/crypto.h"
+#include "psa_crypto_slot_management.h"
+
+#include "psa_crypto_core.h"
+
+#include "test/asn1_helpers.h"
+#include "test/psa_crypto_helpers.h"
+#include "test/psa_exercise_key.h"
+#if defined(PSA_CRYPTO_DRIVER_TEST)
+#include "test/drivers/test_driver.h"
+#define TEST_DRIVER_LOCATION PSA_CRYPTO_TEST_DRIVER_LOCATION
+#else
+#define TEST_DRIVER_LOCATION 0x7fffff
+#endif
+
+#if defined(MBEDTLS_THREADING_PTHREAD)
+#include "mbedtls/threading.h"
+#endif
+
+/* If this comes up, it's a bug in the test code or in the test data. */
+#define UNUSED 0xdeadbeef
+
+/* Assert that an operation is (not) active.
+ * This serves as a proxy for checking if the operation is aborted. */
+#define ASSERT_OPERATION_IS_ACTIVE(operation) TEST_ASSERT(operation.id != 0)
+#define ASSERT_OPERATION_IS_INACTIVE(operation) TEST_ASSERT(operation.id == 0)
+
+#if defined(PSA_WANT_ALG_JPAKE)
+int ecjpake_operation_setup(psa_pake_operation_t *operation,
+ psa_pake_cipher_suite_t *cipher_suite,
+ psa_pake_role_t role,
+ mbedtls_svc_key_id_t key,
+ size_t key_available)
+{
+ PSA_ASSERT(psa_pake_abort(operation));
+
+ PSA_ASSERT(psa_pake_setup(operation, cipher_suite));
+
+ PSA_ASSERT(psa_pake_set_role(operation, role));
+
+ if (key_available) {
+ PSA_ASSERT(psa_pake_set_password_key(operation, key));
+ }
+ return 0;
+exit:
+ return 1;
+}
+#endif
+
+/** An invalid export length that will never be set by psa_export_key(). */
+static const size_t INVALID_EXPORT_LENGTH = ~0U;
+
+/** Test if a buffer contains a constant byte value.
+ *
+ * `mem_is_char(buffer, c, size)` is true after `memset(buffer, c, size)`.
+ *
+ * \param buffer Pointer to the beginning of the buffer.
+ * \param c Expected value of every byte.
+ * \param size Size of the buffer in bytes.
+ *
+ * \return 1 if the buffer is all-bits-zero.
+ * \return 0 if there is at least one nonzero byte.
+ */
+static int mem_is_char(void *buffer, unsigned char c, size_t size)
+{
+ size_t i;
+ for (i = 0; i < size; i++) {
+ if (((unsigned char *) buffer)[i] != c) {
+ return 0;
+ }
+ }
+ return 1;
+}
+#if defined(MBEDTLS_ASN1_WRITE_C)
+/* Write the ASN.1 INTEGER with the value 2^(bits-1)+x backwards from *p. */
+static int asn1_write_10x(unsigned char **p,
+ unsigned char *start,
+ size_t bits,
+ unsigned char x)
+{
+ int ret;
+ int len = bits / 8 + 1;
+ if (bits == 0) {
+ return MBEDTLS_ERR_ASN1_INVALID_DATA;
+ }
+ if (bits <= 8 && x >= 1 << (bits - 1)) {
+ return MBEDTLS_ERR_ASN1_INVALID_DATA;
+ }
+ if (*p < start || *p - start < (ptrdiff_t) len) {
+ return MBEDTLS_ERR_ASN1_BUF_TOO_SMALL;
+ }
+ *p -= len;
+ (*p)[len-1] = x;
+ if (bits % 8 == 0) {
+ (*p)[1] |= 1;
+ } else {
+ (*p)[0] |= 1 << (bits % 8);
+ }
+ MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_len(p, start, len));
+ MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_tag(p, start,
+ MBEDTLS_ASN1_INTEGER));
+ return len;
+}
+
+static int construct_fake_rsa_key(unsigned char *buffer,
+ size_t buffer_size,
+ unsigned char **p,
+ size_t bits,
+ int keypair)
+{
+ size_t half_bits = (bits + 1) / 2;
+ int ret;
+ int len = 0;
+ /* Construct something that looks like a DER encoding of
+ * as defined by PKCS#1 v2.2 (RFC 8017) section A.1.2:
+ * RSAPrivateKey ::= SEQUENCE {
+ * version Version,
+ * modulus INTEGER, -- n
+ * publicExponent INTEGER, -- e
+ * privateExponent INTEGER, -- d
+ * prime1 INTEGER, -- p
+ * prime2 INTEGER, -- q
+ * exponent1 INTEGER, -- d mod (p-1)
+ * exponent2 INTEGER, -- d mod (q-1)
+ * coefficient INTEGER, -- (inverse of q) mod p
+ * otherPrimeInfos OtherPrimeInfos OPTIONAL
+ * }
+ * Or, for a public key, the same structure with only
+ * version, modulus and publicExponent.
+ */
+ *p = buffer + buffer_size;
+ if (keypair) {
+ MBEDTLS_ASN1_CHK_ADD(len, /* pq */
+ asn1_write_10x(p, buffer, half_bits, 1));
+ MBEDTLS_ASN1_CHK_ADD(len, /* dq */
+ asn1_write_10x(p, buffer, half_bits, 1));
+ MBEDTLS_ASN1_CHK_ADD(len, /* dp */
+ asn1_write_10x(p, buffer, half_bits, 1));
+ MBEDTLS_ASN1_CHK_ADD(len, /* q */
+ asn1_write_10x(p, buffer, half_bits, 1));
+ MBEDTLS_ASN1_CHK_ADD(len, /* p != q to pass mbedtls sanity checks */
+ asn1_write_10x(p, buffer, half_bits, 3));
+ MBEDTLS_ASN1_CHK_ADD(len, /* d */
+ asn1_write_10x(p, buffer, bits, 1));
+ }
+ MBEDTLS_ASN1_CHK_ADD(len, /* e = 65537 */
+ asn1_write_10x(p, buffer, 17, 1));
+ MBEDTLS_ASN1_CHK_ADD(len, /* n */
+ asn1_write_10x(p, buffer, bits, 1));
+ if (keypair) {
+ MBEDTLS_ASN1_CHK_ADD(len, /* version = 0 */
+ mbedtls_asn1_write_int(p, buffer, 0));
+ }
+ MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_len(p, buffer, len));
+ {
+ const unsigned char tag =
+ MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE;
+ MBEDTLS_ASN1_CHK_ADD(len, mbedtls_asn1_write_tag(p, buffer, tag));
+ }
+ return len;
+}
+#endif /* MBEDTLS_ASN1_WRITE_C */
+
+int exercise_mac_setup(psa_key_type_t key_type,
+ const unsigned char *key_bytes,
+ size_t key_length,
+ psa_algorithm_t alg,
+ psa_mac_operation_t *operation,
+ psa_status_t *status)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+ PSA_ASSERT(psa_import_key(&attributes, key_bytes, key_length, &key));
+
+ *status = psa_mac_sign_setup(operation, key, alg);
+ /* Whether setup succeeded or failed, abort must succeed. */
+ PSA_ASSERT(psa_mac_abort(operation));
+ /* If setup failed, reproduce the failure, so that the caller can
+ * test the resulting state of the operation object. */
+ if (*status != PSA_SUCCESS) {
+ TEST_EQUAL(psa_mac_sign_setup(operation, key, alg), *status);
+ }
+
+ psa_destroy_key(key);
+ return 1;
+
+exit:
+ psa_destroy_key(key);
+ return 0;
+}
+
+int exercise_cipher_setup(psa_key_type_t key_type,
+ const unsigned char *key_bytes,
+ size_t key_length,
+ psa_algorithm_t alg,
+ psa_cipher_operation_t *operation,
+ psa_status_t *status)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+ PSA_ASSERT(psa_import_key(&attributes, key_bytes, key_length, &key));
+
+ *status = psa_cipher_encrypt_setup(operation, key, alg);
+ /* Whether setup succeeded or failed, abort must succeed. */
+ PSA_ASSERT(psa_cipher_abort(operation));
+ /* If setup failed, reproduce the failure, so that the caller can
+ * test the resulting state of the operation object. */
+ if (*status != PSA_SUCCESS) {
+ TEST_EQUAL(psa_cipher_encrypt_setup(operation, key, alg),
+ *status);
+ }
+
+ psa_destroy_key(key);
+ return 1;
+
+exit:
+ psa_destroy_key(key);
+ return 0;
+}
+
+static int test_operations_on_invalid_key(mbedtls_svc_key_id_t key)
+{
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ mbedtls_svc_key_id_t key_id = mbedtls_svc_key_id_make(1, 0x6964);
+ uint8_t buffer[1];
+ size_t length;
+ int ok = 0;
+
+ psa_set_key_id(&attributes, key_id);
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, PSA_ALG_CTR);
+ psa_set_key_type(&attributes, PSA_KEY_TYPE_AES);
+ TEST_EQUAL(psa_get_key_attributes(key, &attributes),
+ PSA_ERROR_INVALID_HANDLE);
+ TEST_EQUAL(
+ MBEDTLS_SVC_KEY_ID_GET_KEY_ID(psa_get_key_id(&attributes)), 0);
+ TEST_EQUAL(
+ MBEDTLS_SVC_KEY_ID_GET_OWNER_ID(psa_get_key_id(&attributes)), 0);
+ TEST_EQUAL(psa_get_key_lifetime(&attributes), 0);
+ TEST_EQUAL(psa_get_key_usage_flags(&attributes), 0);
+ TEST_EQUAL(psa_get_key_algorithm(&attributes), 0);
+ TEST_EQUAL(psa_get_key_type(&attributes), 0);
+ TEST_EQUAL(psa_get_key_bits(&attributes), 0);
+
+ TEST_EQUAL(psa_export_key(key, buffer, sizeof(buffer), &length),
+ PSA_ERROR_INVALID_HANDLE);
+ TEST_EQUAL(psa_export_public_key(key,
+ buffer, sizeof(buffer), &length),
+ PSA_ERROR_INVALID_HANDLE);
+
+ ok = 1;
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ return ok;
+}
+
+/* Assert that a key isn't reported as having a slot number. */
+#if defined(MBEDTLS_PSA_CRYPTO_SE_C)
+#define ASSERT_NO_SLOT_NUMBER(attributes) \
+ do \
+ { \
+ psa_key_slot_number_t ASSERT_NO_SLOT_NUMBER_slot_number; \
+ TEST_EQUAL(psa_get_key_slot_number( \
+ attributes, \
+ &ASSERT_NO_SLOT_NUMBER_slot_number), \
+ PSA_ERROR_INVALID_ARGUMENT); \
+ } \
+ while (0)
+#else /* MBEDTLS_PSA_CRYPTO_SE_C */
+#define ASSERT_NO_SLOT_NUMBER(attributes) \
+ ((void) 0)
+#endif /* MBEDTLS_PSA_CRYPTO_SE_C */
+
+#define INPUT_INTEGER 0x10000 /* Out of range of psa_key_type_t */
+
+/* An overapproximation of the amount of storage needed for a key of the
+ * given type and with the given content. The API doesn't make it easy
+ * to find a good value for the size. The current implementation doesn't
+ * care about the value anyway. */
+#define KEY_BITS_FROM_DATA(type, data) \
+ (data)->len
+
+typedef enum {
+ IMPORT_KEY = 0,
+ GENERATE_KEY = 1,
+ DERIVE_KEY = 2
+} generate_method;
+
+typedef enum {
+ DO_NOT_SET_LENGTHS = 0,
+ SET_LENGTHS_BEFORE_NONCE = 1,
+ SET_LENGTHS_AFTER_NONCE = 2
+} set_lengths_method_t;
+
+typedef enum {
+ USE_NULL_TAG = 0,
+ USE_GIVEN_TAG = 1,
+} tag_usage_method_t;
+
+
+/*!
+ * \brief Internal Function for AEAD multipart tests.
+ * \param key_type_arg Type of key passed in
+ * \param key_data The encryption / decryption key data
+ * \param alg_arg The type of algorithm used
+ * \param nonce Nonce data
+ * \param additional_data Additional data
+ * \param ad_part_len_arg If not -1, the length of chunks to
+ * feed additional data in to be encrypted /
+ * decrypted. If -1, no chunking.
+ * \param input_data Data to encrypt / decrypt
+ * \param data_part_len_arg If not -1, the length of chunks to feed
+ * the data in to be encrypted / decrypted. If
+ * -1, no chunking
+ * \param set_lengths_method A member of the set_lengths_method_t enum is
+ * expected here, this controls whether or not
+ * to set lengths, and in what order with
+ * respect to set nonce.
+ * \param expected_output Expected output
+ * \param is_encrypt If non-zero this is an encryption operation.
+ * \param do_zero_parts If non-zero, interleave zero length chunks
+ * with normal length chunks.
+ * \return int Zero on failure, non-zero on success.
+ */
+static int aead_multipart_internal_func(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ int ad_part_len_arg,
+ data_t *input_data,
+ int data_part_len_arg,
+ set_lengths_method_t set_lengths_method,
+ data_t *expected_output,
+ int is_encrypt,
+ int do_zero_parts)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ unsigned char *output_data = NULL;
+ unsigned char *part_data = NULL;
+ unsigned char *final_data = NULL;
+ size_t data_true_size = 0;
+ size_t part_data_size = 0;
+ size_t output_size = 0;
+ size_t final_output_size = 0;
+ size_t output_length = 0;
+ size_t key_bits = 0;
+ size_t tag_length = 0;
+ size_t part_offset = 0;
+ size_t part_length = 0;
+ size_t output_part_length = 0;
+ size_t tag_size = 0;
+ size_t ad_part_len = 0;
+ size_t data_part_len = 0;
+ uint8_t tag_buffer[PSA_AEAD_TAG_MAX_SIZE];
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+
+ int test_ok = 0;
+ size_t part_count = 0;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ if (is_encrypt) {
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ } else {
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ }
+
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ tag_length = PSA_AEAD_TAG_LENGTH(key_type, key_bits, alg);
+
+ if (is_encrypt) {
+ /* Tag gets written at end of buffer. */
+ output_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg,
+ (input_data->len +
+ tag_length));
+ data_true_size = input_data->len;
+ } else {
+ output_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg,
+ (input_data->len -
+ tag_length));
+
+ /* Do not want to attempt to decrypt tag. */
+ data_true_size = input_data->len - tag_length;
+ }
+
+ TEST_CALLOC(output_data, output_size);
+
+ if (is_encrypt) {
+ final_output_size = PSA_AEAD_FINISH_OUTPUT_SIZE(key_type, alg);
+ TEST_LE_U(final_output_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE);
+ } else {
+ final_output_size = PSA_AEAD_VERIFY_OUTPUT_SIZE(key_type, alg);
+ TEST_LE_U(final_output_size, PSA_AEAD_VERIFY_OUTPUT_MAX_SIZE);
+ }
+
+ TEST_CALLOC(final_data, final_output_size);
+
+ if (is_encrypt) {
+ status = psa_aead_encrypt_setup(&operation, key, alg);
+ } else {
+ status = psa_aead_decrypt_setup(&operation, key, alg);
+ }
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+
+ PSA_ASSERT(status);
+
+ if (set_lengths_method == DO_NOT_SET_LENGTHS) {
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+ } else if (set_lengths_method == SET_LENGTHS_BEFORE_NONCE) {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ data_true_size));
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+ } else if (set_lengths_method == SET_LENGTHS_AFTER_NONCE) {
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ data_true_size));
+ }
+
+ if (ad_part_len_arg != -1) {
+ /* Pass additional data in parts */
+ ad_part_len = (size_t) ad_part_len_arg;
+
+ for (part_offset = 0, part_count = 0;
+ part_offset < additional_data->len;
+ part_offset += part_length, part_count++) {
+ if (do_zero_parts && (part_count & 0x01)) {
+ part_length = 0;
+ } else if (additional_data->len - part_offset < ad_part_len) {
+ part_length = additional_data->len - part_offset;
+ } else {
+ part_length = ad_part_len;
+ }
+
+ PSA_ASSERT(psa_aead_update_ad(&operation,
+ additional_data->x + part_offset,
+ part_length));
+
+ }
+ } else {
+ /* Pass additional data in one go. */
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+ }
+
+ if (data_part_len_arg != -1) {
+ /* Pass data in parts */
+ data_part_len = (size_t) data_part_len_arg;
+ part_data_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg,
+ (size_t) data_part_len);
+
+ TEST_CALLOC(part_data, part_data_size);
+
+ for (part_offset = 0, part_count = 0;
+ part_offset < data_true_size;
+ part_offset += part_length, part_count++) {
+ if (do_zero_parts && (part_count & 0x01)) {
+ part_length = 0;
+ } else if ((data_true_size - part_offset) < data_part_len) {
+ part_length = (data_true_size - part_offset);
+ } else {
+ part_length = data_part_len;
+ }
+
+ PSA_ASSERT(psa_aead_update(&operation,
+ (input_data->x + part_offset),
+ part_length, part_data,
+ part_data_size,
+ &output_part_length));
+
+ if (output_data && output_part_length) {
+ memcpy((output_data + output_length), part_data,
+ output_part_length);
+ }
+
+ output_length += output_part_length;
+ }
+ } else {
+ /* Pass all data in one go. */
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x,
+ data_true_size, output_data,
+ output_size, &output_length));
+ }
+
+ if (is_encrypt) {
+ PSA_ASSERT(psa_aead_finish(&operation, final_data,
+ final_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size));
+ } else {
+ PSA_ASSERT(psa_aead_verify(&operation, final_data,
+ final_output_size,
+ &output_part_length,
+ (input_data->x + data_true_size),
+ tag_length));
+ }
+
+ if (output_data && output_part_length) {
+ memcpy((output_data + output_length), final_data,
+ output_part_length);
+ }
+
+ output_length += output_part_length;
+
+
+ /* For all currently defined algorithms, PSA_AEAD_xxx_OUTPUT_SIZE
+ * should be exact.*/
+ if (is_encrypt) {
+ TEST_EQUAL(tag_length, tag_size);
+
+ if (output_data && tag_length) {
+ memcpy((output_data + output_length), tag_buffer,
+ tag_length);
+ }
+
+ output_length += tag_length;
+
+ TEST_EQUAL(output_length,
+ PSA_AEAD_ENCRYPT_OUTPUT_SIZE(key_type, alg,
+ input_data->len));
+ TEST_LE_U(output_length,
+ PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE(input_data->len));
+ } else {
+ TEST_EQUAL(output_length,
+ PSA_AEAD_DECRYPT_OUTPUT_SIZE(key_type, alg,
+ input_data->len));
+ TEST_LE_U(output_length,
+ PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE(input_data->len));
+ }
+
+
+ TEST_MEMORY_COMPARE(expected_output->x, expected_output->len,
+ output_data, output_length);
+
+
+ test_ok = 1;
+
+exit:
+ psa_destroy_key(key);
+ psa_aead_abort(&operation);
+ mbedtls_free(output_data);
+ mbedtls_free(part_data);
+ mbedtls_free(final_data);
+ PSA_DONE();
+
+ return test_ok;
+}
+
+/*!
+ * \brief Internal Function for MAC multipart tests.
+ * \param key_type_arg Type of key passed in
+ * \param key_data The encryption / decryption key data
+ * \param alg_arg The type of algorithm used
+ * \param input_data Data to encrypt / decrypt
+ * \param data_part_len_arg If not -1, the length of chunks to feed
+ * the data in to be encrypted / decrypted. If
+ * -1, no chunking
+ * \param expected_output Expected output
+ * \param is_verify If non-zero this is a verify operation.
+ * \param do_zero_parts If non-zero, interleave zero length chunks
+ * with normal length chunks.
+ * \return int Zero on failure, non-zero on success.
+ */
+static int mac_multipart_internal_func(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ int data_part_len_arg,
+ data_t *expected_output,
+ int is_verify,
+ int do_zero_parts)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
+ unsigned char mac[PSA_MAC_MAX_SIZE];
+ size_t part_offset = 0;
+ size_t part_length = 0;
+ size_t data_part_len = 0;
+ size_t mac_len = 0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+
+ int test_ok = 0;
+ size_t part_count = 0;
+
+ PSA_INIT();
+
+ if (is_verify) {
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
+ } else {
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ }
+
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ if (is_verify) {
+ status = psa_mac_verify_setup(&operation, key, alg);
+ } else {
+ status = psa_mac_sign_setup(&operation, key, alg);
+ }
+
+ PSA_ASSERT(status);
+
+ if (data_part_len_arg != -1) {
+ /* Pass data in parts */
+ data_part_len = (size_t) data_part_len_arg;
+
+ for (part_offset = 0, part_count = 0;
+ part_offset < input_data->len;
+ part_offset += part_length, part_count++) {
+ if (do_zero_parts && (part_count & 0x01)) {
+ part_length = 0;
+ } else if ((input_data->len - part_offset) < data_part_len) {
+ part_length = (input_data->len - part_offset);
+ } else {
+ part_length = data_part_len;
+ }
+
+ PSA_ASSERT(psa_mac_update(&operation,
+ (input_data->x + part_offset),
+ part_length));
+ }
+ } else {
+ /* Pass all data in one go. */
+ PSA_ASSERT(psa_mac_update(&operation, input_data->x,
+ input_data->len));
+ }
+
+ if (is_verify) {
+ PSA_ASSERT(psa_mac_verify_finish(&operation, expected_output->x,
+ expected_output->len));
+ } else {
+ PSA_ASSERT(psa_mac_sign_finish(&operation, mac,
+ PSA_MAC_MAX_SIZE, &mac_len));
+
+ TEST_MEMORY_COMPARE(expected_output->x, expected_output->len,
+ mac, mac_len);
+ }
+
+ test_ok = 1;
+
+exit:
+ psa_destroy_key(key);
+ psa_mac_abort(&operation);
+ PSA_DONE();
+
+ return test_ok;
+}
+
+#if defined(PSA_WANT_ALG_JPAKE)
+static void ecjpake_do_round(psa_algorithm_t alg, unsigned int primitive,
+ psa_pake_operation_t *server,
+ psa_pake_operation_t *client,
+ int client_input_first,
+ int round, int inject_error)
+{
+ unsigned char *buffer0 = NULL, *buffer1 = NULL;
+ size_t buffer_length = (
+ PSA_PAKE_OUTPUT_SIZE(alg, primitive, PSA_PAKE_STEP_KEY_SHARE) +
+ PSA_PAKE_OUTPUT_SIZE(alg, primitive, PSA_PAKE_STEP_ZK_PUBLIC) +
+ PSA_PAKE_OUTPUT_SIZE(alg, primitive, PSA_PAKE_STEP_ZK_PROOF)) * 2;
+ /* The output should be exactly this size according to the spec */
+ const size_t expected_size_key_share =
+ PSA_PAKE_OUTPUT_SIZE(alg, primitive, PSA_PAKE_STEP_KEY_SHARE);
+ /* The output should be exactly this size according to the spec */
+ const size_t expected_size_zk_public =
+ PSA_PAKE_OUTPUT_SIZE(alg, primitive, PSA_PAKE_STEP_ZK_PUBLIC);
+ /* The output can be smaller: the spec allows stripping leading zeroes */
+ const size_t max_expected_size_zk_proof =
+ PSA_PAKE_OUTPUT_SIZE(alg, primitive, PSA_PAKE_STEP_ZK_PROOF);
+ size_t buffer0_off = 0;
+ size_t buffer1_off = 0;
+ size_t s_g1_len, s_g2_len, s_a_len;
+ size_t s_g1_off, s_g2_off, s_a_off;
+ size_t s_x1_pk_len, s_x2_pk_len, s_x2s_pk_len;
+ size_t s_x1_pk_off, s_x2_pk_off, s_x2s_pk_off;
+ size_t s_x1_pr_len, s_x2_pr_len, s_x2s_pr_len;
+ size_t s_x1_pr_off, s_x2_pr_off, s_x2s_pr_off;
+ size_t c_g1_len, c_g2_len, c_a_len;
+ size_t c_g1_off, c_g2_off, c_a_off;
+ size_t c_x1_pk_len, c_x2_pk_len, c_x2s_pk_len;
+ size_t c_x1_pk_off, c_x2_pk_off, c_x2s_pk_off;
+ size_t c_x1_pr_len, c_x2_pr_len, c_x2s_pr_len;
+ size_t c_x1_pr_off, c_x2_pr_off, c_x2s_pr_off;
+ psa_status_t expected_status = PSA_SUCCESS;
+ psa_status_t status;
+
+ TEST_CALLOC(buffer0, buffer_length);
+ TEST_CALLOC(buffer1, buffer_length);
+
+ switch (round) {
+ case 1:
+ /* Server first round Output */
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_g1_len));
+ TEST_EQUAL(s_g1_len, expected_size_key_share);
+ s_g1_off = buffer0_off;
+ buffer0_off += s_g1_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_x1_pk_len));
+ TEST_EQUAL(s_x1_pk_len, expected_size_zk_public);
+ s_x1_pk_off = buffer0_off;
+ buffer0_off += s_x1_pk_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_x1_pr_len));
+ TEST_LE_U(s_x1_pr_len, max_expected_size_zk_proof);
+ s_x1_pr_off = buffer0_off;
+ buffer0_off += s_x1_pr_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_g2_len));
+ TEST_EQUAL(s_g2_len, expected_size_key_share);
+ s_g2_off = buffer0_off;
+ buffer0_off += s_g2_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_x2_pk_len));
+ TEST_EQUAL(s_x2_pk_len, expected_size_zk_public);
+ s_x2_pk_off = buffer0_off;
+ buffer0_off += s_x2_pk_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_x2_pr_len));
+ TEST_LE_U(s_x2_pr_len, max_expected_size_zk_proof);
+ s_x2_pr_off = buffer0_off;
+ buffer0_off += s_x2_pr_len;
+
+ if (inject_error == 1) {
+ buffer0[s_x1_pr_off + 8] ^= 1;
+ buffer0[s_x2_pr_off + 7] ^= 1;
+ expected_status = PSA_ERROR_DATA_INVALID;
+ }
+
+ /*
+ * When injecting errors in inputs, the implementation is
+ * free to detect it right away of with a delay.
+ * This permits delaying the error until the end of the input
+ * sequence, if no error appears then, this will be treated
+ * as an error.
+ */
+
+ if (client_input_first == 1) {
+ /* Client first round Input */
+ status = psa_pake_input(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + s_g1_off, s_g1_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + s_x1_pk_off,
+ s_x1_pk_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + s_x1_pr_off,
+ s_x1_pr_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + s_g2_off,
+ s_g2_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + s_x2_pk_off,
+ s_x2_pk_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + s_x2_pr_off,
+ s_x2_pr_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ /* Error didn't trigger, make test fail */
+ if (inject_error == 1) {
+ TEST_ASSERT(
+ !"One of the last psa_pake_input() calls should have returned the expected error.");
+ }
+ }
+
+ /* Client first round Output */
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_g1_len));
+ TEST_EQUAL(c_g1_len, expected_size_key_share);
+ c_g1_off = buffer1_off;
+ buffer1_off += c_g1_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_x1_pk_len));
+ TEST_EQUAL(c_x1_pk_len, expected_size_zk_public);
+ c_x1_pk_off = buffer1_off;
+ buffer1_off += c_x1_pk_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_x1_pr_len));
+ TEST_LE_U(c_x1_pr_len, max_expected_size_zk_proof);
+ c_x1_pr_off = buffer1_off;
+ buffer1_off += c_x1_pr_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_g2_len));
+ TEST_EQUAL(c_g2_len, expected_size_key_share);
+ c_g2_off = buffer1_off;
+ buffer1_off += c_g2_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_x2_pk_len));
+ TEST_EQUAL(c_x2_pk_len, expected_size_zk_public);
+ c_x2_pk_off = buffer1_off;
+ buffer1_off += c_x2_pk_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_x2_pr_len));
+ TEST_LE_U(c_x2_pr_len, max_expected_size_zk_proof);
+ c_x2_pr_off = buffer1_off;
+ buffer1_off += c_x2_pr_len;
+
+ if (client_input_first == 0) {
+ /* Client first round Input */
+ status = psa_pake_input(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + s_g1_off, s_g1_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + s_x1_pk_off,
+ s_x1_pk_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + s_x1_pr_off,
+ s_x1_pr_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + s_g2_off,
+ s_g2_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + s_x2_pk_off,
+ s_x2_pk_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + s_x2_pr_off,
+ s_x2_pr_len);
+ if (inject_error == 1 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ /* Error didn't trigger, make test fail */
+ if (inject_error == 1) {
+ TEST_ASSERT(
+ !"One of the last psa_pake_input() calls should have returned the expected error.");
+ }
+ }
+
+ if (inject_error == 2) {
+ buffer1[c_x1_pr_off + 12] ^= 1;
+ buffer1[c_x2_pr_off + 7] ^= 1;
+ expected_status = PSA_ERROR_DATA_INVALID;
+ }
+
+ /* Server first round Input */
+ status = psa_pake_input(server, PSA_PAKE_STEP_KEY_SHARE,
+ buffer1 + c_g1_off, c_g1_len);
+ if (inject_error == 2 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer1 + c_x1_pk_off, c_x1_pk_len);
+ if (inject_error == 2 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_ZK_PROOF,
+ buffer1 + c_x1_pr_off, c_x1_pr_len);
+ if (inject_error == 2 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_KEY_SHARE,
+ buffer1 + c_g2_off, c_g2_len);
+ if (inject_error == 2 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer1 + c_x2_pk_off, c_x2_pk_len);
+ if (inject_error == 2 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_ZK_PROOF,
+ buffer1 + c_x2_pr_off, c_x2_pr_len);
+ if (inject_error == 2 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ /* Error didn't trigger, make test fail */
+ if (inject_error == 2) {
+ TEST_ASSERT(
+ !"One of the last psa_pake_input() calls should have returned the expected error.");
+ }
+
+ break;
+
+ case 2:
+ /* Server second round Output */
+ buffer0_off = 0;
+
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_a_len));
+ TEST_EQUAL(s_a_len, expected_size_key_share);
+ s_a_off = buffer0_off;
+ buffer0_off += s_a_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_x2s_pk_len));
+ TEST_EQUAL(s_x2s_pk_len, expected_size_zk_public);
+ s_x2s_pk_off = buffer0_off;
+ buffer0_off += s_x2s_pk_len;
+ PSA_ASSERT(psa_pake_output(server, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + buffer0_off,
+ buffer_length - buffer0_off, &s_x2s_pr_len));
+ TEST_LE_U(s_x2s_pr_len, max_expected_size_zk_proof);
+ s_x2s_pr_off = buffer0_off;
+ buffer0_off += s_x2s_pr_len;
+
+ if (inject_error == 3) {
+ buffer0[s_x2s_pk_off + 12] += 0x33;
+ expected_status = PSA_ERROR_DATA_INVALID;
+ }
+
+ if (client_input_first == 1) {
+ /* Client second round Input */
+ status = psa_pake_input(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + s_a_off, s_a_len);
+ if (inject_error == 3 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + s_x2s_pk_off,
+ s_x2s_pk_len);
+ if (inject_error == 3 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + s_x2s_pr_off,
+ s_x2s_pr_len);
+ if (inject_error == 3 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ /* Error didn't trigger, make test fail */
+ if (inject_error == 3) {
+ TEST_ASSERT(
+ !"One of the last psa_pake_input() calls should have returned the expected error.");
+ }
+ }
+
+ /* Client second round Output */
+ buffer1_off = 0;
+
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_a_len));
+ TEST_EQUAL(c_a_len, expected_size_key_share);
+ c_a_off = buffer1_off;
+ buffer1_off += c_a_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_x2s_pk_len));
+ TEST_EQUAL(c_x2s_pk_len, expected_size_zk_public);
+ c_x2s_pk_off = buffer1_off;
+ buffer1_off += c_x2s_pk_len;
+ PSA_ASSERT(psa_pake_output(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer1 + buffer1_off,
+ buffer_length - buffer1_off, &c_x2s_pr_len));
+ TEST_LE_U(c_x2s_pr_len, max_expected_size_zk_proof);
+ c_x2s_pr_off = buffer1_off;
+ buffer1_off += c_x2s_pr_len;
+
+ if (client_input_first == 0) {
+ /* Client second round Input */
+ status = psa_pake_input(client, PSA_PAKE_STEP_KEY_SHARE,
+ buffer0 + s_a_off, s_a_len);
+ if (inject_error == 3 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer0 + s_x2s_pk_off,
+ s_x2s_pk_len);
+ if (inject_error == 3 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(client, PSA_PAKE_STEP_ZK_PROOF,
+ buffer0 + s_x2s_pr_off,
+ s_x2s_pr_len);
+ if (inject_error == 3 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ /* Error didn't trigger, make test fail */
+ if (inject_error == 3) {
+ TEST_ASSERT(
+ !"One of the last psa_pake_input() calls should have returned the expected error.");
+ }
+ }
+
+ if (inject_error == 4) {
+ buffer1[c_x2s_pk_off + 7] += 0x28;
+ expected_status = PSA_ERROR_DATA_INVALID;
+ }
+
+ /* Server second round Input */
+ status = psa_pake_input(server, PSA_PAKE_STEP_KEY_SHARE,
+ buffer1 + c_a_off, c_a_len);
+ if (inject_error == 4 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_ZK_PUBLIC,
+ buffer1 + c_x2s_pk_off, c_x2s_pk_len);
+ if (inject_error == 4 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ status = psa_pake_input(server, PSA_PAKE_STEP_ZK_PROOF,
+ buffer1 + c_x2s_pr_off, c_x2s_pr_len);
+ if (inject_error == 4 && status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ break;
+ } else {
+ TEST_EQUAL(status, PSA_SUCCESS);
+ }
+
+ /* Error didn't trigger, make test fail */
+ if (inject_error == 4) {
+ TEST_ASSERT(
+ !"One of the last psa_pake_input() calls should have returned the expected error.");
+ }
+
+ break;
+
+ }
+
+exit:
+ mbedtls_free(buffer0);
+ mbedtls_free(buffer1);
+}
+#endif /* PSA_WANT_ALG_JPAKE */
+
+typedef enum {
+ INJECT_ERR_NONE = 0,
+ INJECT_ERR_UNINITIALIZED_ACCESS,
+ INJECT_ERR_DUPLICATE_SETUP,
+ INJECT_ERR_INVALID_USER,
+ INJECT_ERR_INVALID_PEER,
+ INJECT_ERR_SET_USER,
+ INJECT_ERR_SET_PEER,
+ INJECT_EMPTY_IO_BUFFER,
+ INJECT_UNKNOWN_STEP,
+ INJECT_INVALID_FIRST_STEP,
+ INJECT_WRONG_BUFFER_SIZE,
+ INJECT_VALID_OPERATION_AFTER_FAILURE,
+ INJECT_ANTICIPATE_KEY_DERIVATION_1,
+ INJECT_ANTICIPATE_KEY_DERIVATION_2,
+} ecjpake_injected_failure_t;
+
+#if defined(MBEDTLS_ECP_RESTARTABLE)
+
+static void interruptible_signverify_get_minmax_completes(uint32_t max_ops,
+ psa_status_t expected_status,
+ size_t *min_completes,
+ size_t *max_completes)
+{
+
+ /* This is slightly contrived, but we only really know that with a minimum
+ value of max_ops that a successful operation should take more than one op
+ to complete, and likewise that with a max_ops of
+ PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED, it should complete in one go. */
+ if (max_ops == 0 || max_ops == 1) {
+
+ if (expected_status == PSA_SUCCESS) {
+ *min_completes = 2;
+ } else {
+ *min_completes = 1;
+ }
+
+ *max_completes = PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED;
+ } else {
+ *min_completes = 1;
+ *max_completes = 1;
+ }
+}
+#endif /* MBEDTLS_ECP_RESTARTABLE */
+
+#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
+static int rsa_test_e(mbedtls_svc_key_id_t key,
+ size_t bits,
+ const data_t *e_arg)
+{
+ uint8_t *exported = NULL;
+ size_t exported_size =
+ PSA_EXPORT_KEY_OUTPUT_SIZE(PSA_KEY_TYPE_RSA_PUBLIC_KEY, bits);
+ size_t exported_length = SIZE_MAX;
+ int ok = 0;
+
+ TEST_CALLOC(exported, exported_size);
+ PSA_ASSERT(psa_export_public_key(key,
+ exported, exported_size,
+ &exported_length));
+ uint8_t *p = exported;
+ uint8_t *end = exported + exported_length;
+ size_t len;
+ /* RSAPublicKey ::= SEQUENCE {
+ * modulus INTEGER, -- n
+ * publicExponent INTEGER } -- e
+ */
+ TEST_EQUAL(0, mbedtls_asn1_get_tag(&p, end, &len,
+ MBEDTLS_ASN1_SEQUENCE |
+ MBEDTLS_ASN1_CONSTRUCTED));
+ TEST_ASSERT(mbedtls_test_asn1_skip_integer(&p, end, bits, bits, 1));
+ TEST_EQUAL(0, mbedtls_asn1_get_tag(&p, end, &len,
+ MBEDTLS_ASN1_INTEGER));
+ if (len >= 1 && p[0] == 0) {
+ ++p;
+ --len;
+ }
+ if (e_arg->len == 0) {
+ TEST_EQUAL(len, 3);
+ TEST_EQUAL(p[0], 1);
+ TEST_EQUAL(p[1], 0);
+ TEST_EQUAL(p[2], 1);
+ } else {
+ const uint8_t *expected = e_arg->x;
+ size_t expected_len = e_arg->len;
+ while (expected_len > 0 && *expected == 0) {
+ ++expected;
+ --expected_len;
+ }
+ TEST_MEMORY_COMPARE(p, len, expected, expected_len);
+ }
+ ok = 1;
+
+exit:
+ mbedtls_free(exported);
+ return ok;
+}
+#endif /* PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE */
+
+static int setup_key_production_parameters(
+ psa_key_production_parameters_t **params, size_t *params_data_length,
+ int flags_arg, const data_t *params_data)
+{
+ *params_data_length = params_data->len;
+ /* If there are N bytes of padding at the end of
+ * psa_key_production_parameters_t, then it's enough to allocate
+ * MIN(sizeof(psa_key_production_parameters_t),
+ * offsetof(psa_key_production_parameters_t, data) + params_data_length).
+ *
+ * For simplicity, here, we allocate up to N more bytes than necessary.
+ * In practice, the current layout of psa_key_production_parameters_t
+ * makes padding extremely unlikely, so we don't worry about testing
+ * that the library code doesn't try to access these extra N bytes.
+ */
+ *params = mbedtls_calloc(1, sizeof(**params) + *params_data_length);
+ TEST_ASSERT(*params != NULL);
+ (*params)->flags = (uint32_t) flags_arg;
+ memcpy((*params)->data, params_data->x, params_data->len);
+ return 1;
+exit:
+ return 0;
+}
+
+#if defined(MBEDTLS_THREADING_PTHREAD)
+
+typedef struct same_key_context {
+ data_t *data;
+ mbedtls_svc_key_id_t key;
+ psa_key_attributes_t *attributes;
+ int type;
+ int bits;
+ /* The following two parameters are used to ensure that when multiple
+ * threads attempt to load/destroy the key, exactly one thread succeeds. */
+ int key_loaded;
+ mbedtls_threading_mutex_t MBEDTLS_PRIVATE(key_loaded_mutex);
+}
+same_key_context;
+
+/* Attempt to import the key in ctx. This handles any valid error codes
+ * and reports an error for any invalid codes. This function also insures
+ * that once imported by some thread, all threads can use the key. */
+void *thread_import_key(void *ctx)
+{
+ mbedtls_svc_key_id_t returned_key_id;
+ same_key_context *skc = (struct same_key_context *) ctx;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ /* Import the key, exactly one thread must succeed. */
+ psa_status_t status = psa_import_key(skc->attributes, skc->data->x,
+ skc->data->len, &returned_key_id);
+ switch (status) {
+ case PSA_SUCCESS:
+ if (mbedtls_mutex_lock(&skc->key_loaded_mutex) == 0) {
+ if (skc->key_loaded) {
+ mbedtls_mutex_unlock(&skc->key_loaded_mutex);
+ /* More than one thread has succeeded, report a failure. */
+ TEST_FAIL("The same key has been loaded into the key store multiple times.");
+ }
+ skc->key_loaded = 1;
+ mbedtls_mutex_unlock(&skc->key_loaded_mutex);
+ }
+ break;
+ case PSA_ERROR_INSUFFICIENT_MEMORY:
+ /* If all of the key slots are reserved when a thread
+ * locks the mutex to reserve a new slot, it will return
+ * PSA_ERROR_INSUFFICIENT_MEMORY; this is correct behaviour.
+ * There is a chance for this to occur here when the number of
+ * threads running this function is larger than the number of
+ * free key slots. Each thread reserves an empty key slot,
+ * unlocks the mutex, then relocks it to finalize key creation.
+ * It is at that point where the thread sees that the key
+ * already exists, releases the reserved slot,
+ * and returns PSA_ERROR_ALREADY_EXISTS.
+ * There is no guarantee that the key is loaded upon this return
+ * code, so we can't test the key information. Just stop this
+ * thread from executing, note that this is not an error. */
+ goto exit;
+ break;
+ case PSA_ERROR_ALREADY_EXISTS:
+ /* The key has been loaded by a different thread. */
+ break;
+ default:
+ PSA_ASSERT(status);
+ }
+ /* At this point the key must exist, test the key information. */
+ status = psa_get_key_attributes(skc->key, &got_attributes);
+ if (status == PSA_ERROR_INSUFFICIENT_MEMORY) {
+ /* This is not a test failure. The following sequence of events
+ * causes this to occur:
+ * 1: This thread successfuly imports a persistent key skc->key.
+ * 2: N threads reserve an empty key slot in psa_import_key,
+ * where N is equal to the number of free key slots.
+ * 3: A final thread attempts to reserve an empty key slot, kicking
+ * skc->key (which has no registered readers) out of its slot.
+ * 4: This thread calls psa_get_key_attributes(skc->key,...):
+ * it sees that skc->key is not in a slot, attempts to load it and
+ * finds that there are no free slots.
+ * This thread returns PSA_ERROR_INSUFFICIENT_MEMORY.
+ *
+ * The PSA spec allows this behaviour, it is an unavoidable consequence
+ * of allowing persistent keys to be kicked out of the key store while
+ * they are still valid. */
+ goto exit;
+ }
+ PSA_ASSERT(status);
+ TEST_EQUAL(psa_get_key_type(&got_attributes), skc->type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), skc->bits);
+
+exit:
+ /* Key attributes may have been returned by psa_get_key_attributes(),
+ * reset them as required. */
+ psa_reset_key_attributes(&got_attributes);
+ return NULL;
+}
+
+void *thread_use_and_destroy_key(void *ctx)
+{
+ same_key_context *skc = (struct same_key_context *) ctx;
+
+ /* Do something with the key according
+ * to its type and permitted usage. */
+ TEST_ASSERT(mbedtls_test_psa_exercise_key(skc->key,
+ skc->attributes->policy.usage,
+ skc->attributes->policy.alg, 1));
+
+ psa_status_t status = psa_destroy_key(skc->key);
+ if (status == PSA_SUCCESS) {
+ if (mbedtls_mutex_lock(&skc->key_loaded_mutex) == 0) {
+ /* Ensure that we are the only thread to succeed. */
+ if (skc->key_loaded != 1) {
+ mbedtls_mutex_unlock(&skc->key_loaded_mutex);
+ TEST_FAIL("The same key has been destroyed multiple times.");
+ }
+ skc->key_loaded = 0;
+ mbedtls_mutex_unlock(&skc->key_loaded_mutex);
+ }
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_HANDLE);
+ }
+
+exit:
+ return NULL;
+}
+
+typedef struct generate_key_context {
+ psa_key_type_t type;
+ psa_key_usage_t usage;
+ size_t bits;
+ psa_algorithm_t alg;
+ psa_status_t expected_status;
+ psa_key_attributes_t *attributes;
+ int is_large_key;
+ int reps;
+}
+generate_key_context;
+void *thread_generate_key(void *ctx)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ generate_key_context *gkc = (struct generate_key_context *) ctx;
+
+ /* If there are race conditions, it is likely the case that they do not
+ * arise every time the code runs. We repeat the code to increase the
+ * chance that any race conditions will be hit. */
+ for (int n = 0; n < gkc->reps; n++) {
+ /* Generate a key */
+ psa_status_t status = psa_generate_key(gkc->attributes, &key);
+
+ if (gkc->is_large_key > 0) {
+ TEST_ASSUME(status != PSA_ERROR_INSUFFICIENT_MEMORY);
+ }
+
+ TEST_EQUAL(status, gkc->expected_status);
+ if (gkc->expected_status != PSA_SUCCESS) {
+ PSA_ASSERT(psa_destroy_key(key));
+ goto exit;
+ }
+
+ /* Test the key information */
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), gkc->type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), gkc->bits);
+
+ /* Do something with the key according
+ * to its type and permitted usage. */
+ if (!mbedtls_test_psa_exercise_key(key, gkc->usage, gkc->alg, 0)) {
+ psa_destroy_key(key);
+ goto exit;
+ }
+ psa_reset_key_attributes(&got_attributes);
+
+ PSA_ASSERT(psa_destroy_key(key));
+ }
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+ return NULL;
+}
+#endif /* MBEDTLS_THREADING_PTHREAD */
+
+/* END_HEADER */
+
+/* BEGIN_DEPENDENCIES
+ * depends_on:MBEDTLS_PSA_CRYPTO_C
+ * END_DEPENDENCIES
+ */
+
+/* BEGIN_CASE */
+void psa_can_do_hash()
+{
+ /* We can't test that this is specific to drivers until partial init has
+ * been implemented, but we can at least test before/after full init. */
+ TEST_EQUAL(0, psa_can_do_hash(PSA_ALG_NONE));
+ PSA_INIT();
+ TEST_EQUAL(1, psa_can_do_hash(PSA_ALG_NONE));
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void static_checks()
+{
+ size_t max_truncated_mac_size =
+ PSA_ALG_MAC_TRUNCATION_MASK >> PSA_MAC_TRUNCATION_OFFSET;
+
+ /* Check that the length for a truncated MAC always fits in the algorithm
+ * encoding. The shifted mask is the maximum truncated value. The
+ * untruncated algorithm may be one byte larger. */
+ TEST_LE_U(PSA_MAC_MAX_SIZE, 1 + max_truncated_mac_size);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void import_with_policy(int type_arg,
+ int usage_arg, int alg_arg,
+ int expected_status_arg)
+{
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ psa_key_usage_t usage = usage_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ const uint8_t key_material[16] = { 0 };
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_type(&attributes, type);
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg);
+
+ status = psa_import_key(&attributes,
+ key_material, sizeof(key_material),
+ &key);
+ TEST_EQUAL(status, expected_status);
+ if (status != PSA_SUCCESS) {
+ goto exit;
+ }
+
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), type);
+ TEST_EQUAL(psa_get_key_usage_flags(&got_attributes),
+ mbedtls_test_update_key_usage_flags(usage));
+ TEST_EQUAL(psa_get_key_algorithm(&got_attributes), alg);
+ ASSERT_NO_SLOT_NUMBER(&got_attributes);
+
+ PSA_ASSERT(psa_destroy_key(key));
+ test_operations_on_invalid_key(key);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void import_with_data(data_t *data, int type_arg,
+ int attr_bits_arg,
+ int expected_status_arg)
+{
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ size_t attr_bits = attr_bits_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_type(&attributes, type);
+ psa_set_key_bits(&attributes, attr_bits);
+
+ status = psa_import_key(&attributes, data->x, data->len, &key);
+ /* When expecting INVALID_ARGUMENT, also accept NOT_SUPPORTED.
+ *
+ * This can happen with a type supported only by a driver:
+ * - the driver sees the invalid data (for example wrong size) and thinks
+ * "well perhaps this is a key size I don't support" so it returns
+ * NOT_SUPPORTED which is correct at this point;
+ * - we fallback to built-ins, which don't support this type, so return
+ * NOT_SUPPORTED which again is correct at this point.
+ */
+ if (expected_status == PSA_ERROR_INVALID_ARGUMENT &&
+ status == PSA_ERROR_NOT_SUPPORTED) {
+ ; // OK
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ if (status != PSA_SUCCESS) {
+ goto exit;
+ }
+
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), type);
+ if (attr_bits != 0) {
+ TEST_EQUAL(attr_bits, psa_get_key_bits(&got_attributes));
+ }
+ ASSERT_NO_SLOT_NUMBER(&got_attributes);
+
+ PSA_ASSERT(psa_destroy_key(key));
+ test_operations_on_invalid_key(key);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+/* Construct and attempt to import a large unstructured key. */
+void import_large_key(int type_arg, int byte_size_arg,
+ int expected_status_arg)
+{
+ psa_key_type_t type = type_arg;
+ size_t byte_size = byte_size_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t expected_status = expected_status_arg;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_status_t status;
+ uint8_t *buffer = NULL;
+ size_t buffer_size = byte_size + 1;
+ size_t n;
+
+ /* Skip the test case if the target running the test cannot
+ * accommodate large keys due to heap size constraints */
+ TEST_CALLOC_OR_SKIP(buffer, buffer_size);
+ memset(buffer, 'K', byte_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Try importing the key */
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_type(&attributes, type);
+ status = psa_import_key(&attributes, buffer, byte_size, &key);
+ TEST_ASSUME(status != PSA_ERROR_INSUFFICIENT_MEMORY);
+ TEST_EQUAL(status, expected_status);
+
+ if (status == PSA_SUCCESS) {
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ TEST_EQUAL(psa_get_key_type(&attributes), type);
+ TEST_EQUAL(psa_get_key_bits(&attributes),
+ PSA_BYTES_TO_BITS(byte_size));
+ ASSERT_NO_SLOT_NUMBER(&attributes);
+ memset(buffer, 0, byte_size + 1);
+ PSA_ASSERT(psa_export_key(key, buffer, byte_size, &n));
+ for (n = 0; n < byte_size; n++) {
+ TEST_EQUAL(buffer[n], 'K');
+ }
+ for (n = byte_size; n < buffer_size; n++) {
+ TEST_EQUAL(buffer[n], 0);
+ }
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+ mbedtls_free(buffer);
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ASN1_WRITE_C */
+/* Import an RSA key with a valid structure (but not valid numbers
+ * inside, beyond having sensible size and parity). This is expected to
+ * fail for large keys. */
+void import_rsa_made_up(int bits_arg, int keypair, int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ size_t bits = bits_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_status_t status;
+ psa_key_type_t type =
+ keypair ? PSA_KEY_TYPE_RSA_KEY_PAIR : PSA_KEY_TYPE_RSA_PUBLIC_KEY;
+ size_t buffer_size = /* Slight overapproximations */
+ keypair ? bits * 9 / 16 + 80 : bits / 8 + 20;
+ unsigned char *buffer = NULL;
+ unsigned char *p;
+ int ret;
+ size_t length;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+ TEST_CALLOC(buffer, buffer_size);
+
+ TEST_ASSERT((ret = construct_fake_rsa_key(buffer, buffer_size, &p,
+ bits, keypair)) >= 0);
+ length = ret;
+
+ /* Try importing the key */
+ psa_set_key_type(&attributes, type);
+ status = psa_import_key(&attributes, p, length, &key);
+ TEST_EQUAL(status, expected_status);
+
+ if (status == PSA_SUCCESS) {
+ PSA_ASSERT(psa_destroy_key(key));
+ }
+
+exit:
+ mbedtls_free(buffer);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void import_export(data_t *data,
+ int type_arg,
+ int usage_arg, int alg_arg,
+ int lifetime_arg,
+ int expected_bits,
+ int export_size_delta,
+ int expected_export_status_arg,
+ /*whether reexport must give the original input exactly*/
+ int canonical_input)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_export_status = expected_export_status_arg;
+ psa_status_t status;
+ psa_key_lifetime_t lifetime = lifetime_arg;
+ unsigned char *exported = NULL;
+ unsigned char *reexported = NULL;
+ size_t export_size;
+ size_t exported_length = INVALID_EXPORT_LENGTH;
+ size_t reexported_length;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ export_size = (ptrdiff_t) data->len + export_size_delta;
+ TEST_CALLOC(exported, export_size);
+ if (!canonical_input) {
+ TEST_CALLOC(reexported, export_size);
+ }
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_lifetime(&attributes, lifetime);
+ psa_set_key_usage_flags(&attributes, usage_arg);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, type);
+
+ if (PSA_KEY_TYPE_IS_DH(type) &&
+ expected_export_status == PSA_ERROR_BUFFER_TOO_SMALL) {
+ /* Simulate that buffer is too small, by decreasing its size by 1 byte. */
+ export_size -= 1;
+ }
+
+ /* Import the key */
+ TEST_EQUAL(psa_import_key(&attributes, data->x, data->len, &key),
+ PSA_SUCCESS);
+
+ /* Test the key information */
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), (size_t) expected_bits);
+ ASSERT_NO_SLOT_NUMBER(&got_attributes);
+
+ /* Export the key */
+ status = psa_export_key(key, exported, export_size, &exported_length);
+ TEST_EQUAL(status, expected_export_status);
+
+ /* The exported length must be set by psa_export_key() to a value between 0
+ * and export_size. On errors, the exported length must be 0. */
+ TEST_ASSERT(exported_length != INVALID_EXPORT_LENGTH);
+ TEST_ASSERT(status == PSA_SUCCESS || exported_length == 0);
+ TEST_LE_U(exported_length, export_size);
+
+ TEST_ASSERT(mem_is_char(exported + exported_length, 0,
+ export_size - exported_length));
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(exported_length, 0);
+ goto destroy;
+ }
+
+ /* Run sanity checks on the exported key. For non-canonical inputs,
+ * this validates the canonical representations. For canonical inputs,
+ * this doesn't directly validate the implementation, but it still helps
+ * by cross-validating the test data with the sanity check code. */
+ if (!psa_key_lifetime_is_external(lifetime)) {
+ if (!mbedtls_test_psa_exercise_key(key, usage_arg, 0, 0)) {
+ goto exit;
+ }
+ }
+
+ if (canonical_input) {
+ TEST_MEMORY_COMPARE(data->x, data->len, exported, exported_length);
+ } else {
+ mbedtls_svc_key_id_t key2 = MBEDTLS_SVC_KEY_ID_INIT;
+ PSA_ASSERT(psa_import_key(&attributes, exported, exported_length,
+ &key2));
+ PSA_ASSERT(psa_export_key(key2,
+ reexported,
+ export_size,
+ &reexported_length));
+ TEST_MEMORY_COMPARE(exported, exported_length,
+ reexported, reexported_length);
+ PSA_ASSERT(psa_destroy_key(key2));
+ }
+ TEST_LE_U(exported_length,
+ PSA_EXPORT_KEY_OUTPUT_SIZE(type,
+ psa_get_key_bits(&got_attributes)));
+ if (PSA_KEY_TYPE_IS_KEY_PAIR(type)) {
+ TEST_LE_U(exported_length, PSA_EXPORT_KEY_PAIR_MAX_SIZE);
+ } else if (PSA_KEY_TYPE_IS_PUBLIC_KEY(type)) {
+ TEST_LE_U(exported_length, PSA_EXPORT_PUBLIC_KEY_MAX_SIZE);
+ }
+
+destroy:
+ /* Destroy the key */
+ PSA_ASSERT(psa_destroy_key(key));
+ test_operations_on_invalid_key(key);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+ psa_destroy_key(key);
+ mbedtls_free(exported);
+ mbedtls_free(reexported);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void import_export_public_key(data_t *data,
+ int type_arg, // key pair or public key
+ int alg_arg,
+ int lifetime_arg,
+ int export_size_delta,
+ int expected_export_status_arg,
+ data_t *expected_public_key)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_export_status = expected_export_status_arg;
+ psa_status_t status;
+ psa_key_lifetime_t lifetime = lifetime_arg;
+ unsigned char *exported = NULL;
+ size_t export_size = expected_public_key->len + export_size_delta;
+ size_t exported_length = INVALID_EXPORT_LENGTH;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_lifetime(&attributes, lifetime);
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, type);
+
+ /* Import the key */
+ PSA_ASSERT(psa_import_key(&attributes, data->x, data->len, &key));
+
+ /* Export the public key */
+ TEST_CALLOC(exported, export_size);
+ status = psa_export_public_key(key,
+ exported, export_size,
+ &exported_length);
+ TEST_EQUAL(status, expected_export_status);
+ if (status == PSA_SUCCESS) {
+ psa_key_type_t public_type = PSA_KEY_TYPE_PUBLIC_KEY_OF_KEY_PAIR(type);
+ size_t bits;
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ bits = psa_get_key_bits(&attributes);
+ TEST_LE_U(expected_public_key->len,
+ PSA_EXPORT_KEY_OUTPUT_SIZE(public_type, bits));
+ TEST_LE_U(expected_public_key->len,
+ PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE(public_type, bits));
+ TEST_LE_U(expected_public_key->len,
+ PSA_EXPORT_PUBLIC_KEY_MAX_SIZE);
+ TEST_MEMORY_COMPARE(expected_public_key->x, expected_public_key->len,
+ exported, exported_length);
+ }
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ mbedtls_free(exported);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+
+#if defined(MBEDTLS_THREADING_PTHREAD)
+/* BEGIN_CASE depends_on:MBEDTLS_THREADING_PTHREAD:MBEDTLS_PSA_CRYPTO_STORAGE_C */
+void concurrently_use_same_persistent_key(data_t *data,
+ int type_arg,
+ int bits_arg,
+ int alg_arg,
+ int thread_count_arg)
+{
+ size_t thread_count = (size_t) thread_count_arg;
+ mbedtls_test_thread_t *threads = NULL;
+ mbedtls_svc_key_id_t key_id = mbedtls_svc_key_id_make(1, 1);
+ same_key_context skc;
+ skc.data = data;
+ skc.key = key_id;
+ skc.type = type_arg;
+ skc.bits = bits_arg;
+ skc.key_loaded = 0;
+ mbedtls_mutex_init(&skc.key_loaded_mutex);
+ psa_key_usage_t usage = mbedtls_test_psa_usage_to_exercise(skc.type, alg_arg);
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_id(&attributes, key_id);
+ psa_set_key_lifetime(&attributes, PSA_KEY_LIFETIME_PERSISTENT);
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg_arg);
+ psa_set_key_type(&attributes, type_arg);
+ psa_set_key_bits(&attributes, bits_arg);
+ skc.attributes = &attributes;
+
+ TEST_CALLOC(threads, sizeof(mbedtls_test_thread_t) * thread_count);
+
+ /* Test that when multiple threads import the same key,
+ * exactly one thread succeeds and the rest fail with valid errors.
+ * Also test that all threads can use the key as soon as it has been
+ * imported. */
+ for (size_t i = 0; i < thread_count; i++) {
+ TEST_EQUAL(
+ mbedtls_test_thread_create(&threads[i], thread_import_key,
+ (void *) &skc), 0);
+ }
+
+ /* Join threads. */
+ for (size_t i = 0; i < thread_count; i++) {
+ TEST_EQUAL(mbedtls_test_thread_join(&threads[i]), 0);
+ }
+
+ /* Test that when multiple threads use and destroy a key no corruption
+ * occurs, and exactly one thread succeeds when destroying the key. */
+ for (size_t i = 0; i < thread_count; i++) {
+ TEST_EQUAL(
+ mbedtls_test_thread_create(&threads[i], thread_use_and_destroy_key,
+ (void *) &skc), 0);
+ }
+
+ /* Join threads. */
+ for (size_t i = 0; i < thread_count; i++) {
+ TEST_EQUAL(mbedtls_test_thread_join(&threads[i]), 0);
+ }
+ /* Ensure that one thread succeeded in destroying the key. */
+ TEST_ASSERT(!skc.key_loaded);
+exit:
+ psa_reset_key_attributes(&attributes);
+ mbedtls_mutex_free(&skc.key_loaded_mutex);
+ mbedtls_free(threads);
+ PSA_DONE();
+}
+/* END_CASE */
+#endif
+
+/* BEGIN_CASE */
+void import_and_exercise_key(data_t *data,
+ int type_arg,
+ int bits_arg,
+ int alg_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ size_t bits = bits_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_usage_t usage = mbedtls_test_psa_usage_to_exercise(type, alg);
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, type);
+
+ /* Import the key */
+ PSA_ASSERT(psa_import_key(&attributes, data->x, data->len, &key));
+
+ /* Test the key information */
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), bits);
+
+ /* Do something with the key according to its type and permitted usage. */
+ if (!mbedtls_test_psa_exercise_key(key, usage, alg, 0)) {
+ goto exit;
+ }
+
+ PSA_ASSERT(psa_destroy_key(key));
+ test_operations_on_invalid_key(key);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void effective_key_attributes(int type_arg, int expected_type_arg,
+ int bits_arg, int expected_bits_arg,
+ int usage_arg, int expected_usage_arg,
+ int alg_arg, int expected_alg_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = type_arg;
+ psa_key_type_t expected_key_type = expected_type_arg;
+ size_t bits = bits_arg;
+ size_t expected_bits = expected_bits_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_algorithm_t expected_alg = expected_alg_arg;
+ psa_key_usage_t usage = usage_arg;
+ psa_key_usage_t expected_usage = expected_usage_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+ psa_set_key_bits(&attributes, bits);
+
+ PSA_ASSERT(psa_generate_key(&attributes, &key));
+ psa_reset_key_attributes(&attributes);
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ TEST_EQUAL(psa_get_key_type(&attributes), expected_key_type);
+ TEST_EQUAL(psa_get_key_bits(&attributes), expected_bits);
+ TEST_EQUAL(psa_get_key_usage_flags(&attributes), expected_usage);
+ TEST_EQUAL(psa_get_key_algorithm(&attributes), expected_alg);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void check_key_policy(int type_arg, int bits_arg,
+ int usage_arg, int alg_arg)
+{
+ test_effective_key_attributes(type_arg, type_arg, bits_arg, bits_arg,
+ usage_arg,
+ mbedtls_test_update_key_usage_flags(usage_arg),
+ alg_arg, alg_arg);
+ goto exit;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_attributes_init()
+{
+ /* Test each valid way of initializing the object, except for `= {0}`, as
+ * Clang 5 complains when `-Wmissing-field-initializers` is used, even
+ * though it's OK by the C standard. We could test for this, but we'd need
+ * to suppress the Clang warning for the test. */
+ psa_key_attributes_t func = psa_key_attributes_init();
+ psa_key_attributes_t init = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t zero;
+
+ memset(&zero, 0, sizeof(zero));
+
+ TEST_EQUAL(psa_get_key_lifetime(&func), PSA_KEY_LIFETIME_VOLATILE);
+ TEST_EQUAL(psa_get_key_lifetime(&init), PSA_KEY_LIFETIME_VOLATILE);
+ TEST_EQUAL(psa_get_key_lifetime(&zero), PSA_KEY_LIFETIME_VOLATILE);
+
+ TEST_EQUAL(psa_get_key_type(&func), 0);
+ TEST_EQUAL(psa_get_key_type(&init), 0);
+ TEST_EQUAL(psa_get_key_type(&zero), 0);
+
+ TEST_EQUAL(psa_get_key_bits(&func), 0);
+ TEST_EQUAL(psa_get_key_bits(&init), 0);
+ TEST_EQUAL(psa_get_key_bits(&zero), 0);
+
+ TEST_EQUAL(psa_get_key_usage_flags(&func), 0);
+ TEST_EQUAL(psa_get_key_usage_flags(&init), 0);
+ TEST_EQUAL(psa_get_key_usage_flags(&zero), 0);
+
+ TEST_EQUAL(psa_get_key_algorithm(&func), 0);
+ TEST_EQUAL(psa_get_key_algorithm(&init), 0);
+ TEST_EQUAL(psa_get_key_algorithm(&zero), 0);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mac_key_policy(int policy_usage_arg,
+ int policy_alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ int exercise_alg_arg,
+ int expected_status_sign_arg,
+ int expected_status_verify_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t policy_alg = policy_alg_arg;
+ psa_algorithm_t exercise_alg = exercise_alg_arg;
+ psa_key_usage_t policy_usage = policy_usage_arg;
+ psa_status_t status;
+ psa_status_t expected_status_sign = expected_status_sign_arg;
+ psa_status_t expected_status_verify = expected_status_verify_arg;
+ unsigned char mac[PSA_MAC_MAX_SIZE];
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ TEST_EQUAL(psa_get_key_usage_flags(&attributes),
+ mbedtls_test_update_key_usage_flags(policy_usage));
+
+ status = psa_mac_sign_setup(&operation, key, exercise_alg);
+ TEST_EQUAL(status, expected_status_sign);
+
+ /* Calculate the MAC, one-shot case. */
+ uint8_t input[128] = { 0 };
+ size_t mac_len;
+ TEST_EQUAL(psa_mac_compute(key, exercise_alg,
+ input, 128,
+ mac, PSA_MAC_MAX_SIZE, &mac_len),
+ expected_status_sign);
+
+ /* Calculate the MAC, multi-part case. */
+ PSA_ASSERT(psa_mac_abort(&operation));
+ status = psa_mac_sign_setup(&operation, key, exercise_alg);
+ if (status == PSA_SUCCESS) {
+ status = psa_mac_update(&operation, input, 128);
+ if (status == PSA_SUCCESS) {
+ TEST_EQUAL(psa_mac_sign_finish(&operation, mac, PSA_MAC_MAX_SIZE,
+ &mac_len),
+ expected_status_sign);
+ } else {
+ TEST_EQUAL(status, expected_status_sign);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status_sign);
+ }
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Verify correct MAC, one-shot case. */
+ status = psa_mac_verify(key, exercise_alg, input, 128,
+ mac, mac_len);
+
+ if (expected_status_sign != PSA_SUCCESS && expected_status_verify == PSA_SUCCESS) {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_SIGNATURE);
+ } else {
+ TEST_EQUAL(status, expected_status_verify);
+ }
+
+ /* Verify correct MAC, multi-part case. */
+ status = psa_mac_verify_setup(&operation, key, exercise_alg);
+ if (status == PSA_SUCCESS) {
+ status = psa_mac_update(&operation, input, 128);
+ if (status == PSA_SUCCESS) {
+ status = psa_mac_verify_finish(&operation, mac, mac_len);
+ if (expected_status_sign != PSA_SUCCESS && expected_status_verify == PSA_SUCCESS) {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_SIGNATURE);
+ } else {
+ TEST_EQUAL(status, expected_status_verify);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status_verify);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status_verify);
+ }
+
+ psa_mac_abort(&operation);
+
+ memset(mac, 0, sizeof(mac));
+ status = psa_mac_verify_setup(&operation, key, exercise_alg);
+ TEST_EQUAL(status, expected_status_verify);
+
+exit:
+ psa_mac_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_key_policy(int policy_usage_arg,
+ int policy_alg,
+ int key_type,
+ data_t *key_data,
+ int exercise_alg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_usage_t policy_usage = policy_usage_arg;
+ size_t output_buffer_size = 0;
+ size_t input_buffer_size = 0;
+ size_t output_length = 0;
+ uint8_t *output = NULL;
+ uint8_t *input = NULL;
+ psa_status_t status;
+
+ input_buffer_size = PSA_BLOCK_CIPHER_BLOCK_LENGTH(exercise_alg);
+ output_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, exercise_alg,
+ input_buffer_size);
+
+ TEST_CALLOC(input, input_buffer_size);
+ TEST_CALLOC(output, output_buffer_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Check if no key usage flag implication is done */
+ TEST_EQUAL(policy_usage,
+ mbedtls_test_update_key_usage_flags(policy_usage));
+
+ /* Encrypt check, one-shot */
+ status = psa_cipher_encrypt(key, exercise_alg, input, input_buffer_size,
+ output, output_buffer_size,
+ &output_length);
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_ENCRYPT) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ /* Encrypt check, multi-part */
+ status = psa_cipher_encrypt_setup(&operation, key, exercise_alg);
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_ENCRYPT) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+ psa_cipher_abort(&operation);
+
+ /* Decrypt check, one-shot */
+ status = psa_cipher_decrypt(key, exercise_alg, output, output_buffer_size,
+ input, input_buffer_size,
+ &output_length);
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_DECRYPT) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ /* Decrypt check, multi-part */
+ status = psa_cipher_decrypt_setup(&operation, key, exercise_alg);
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_DECRYPT) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(input);
+ mbedtls_free(output);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_key_policy(int policy_usage_arg,
+ int policy_alg,
+ int key_type,
+ data_t *key_data,
+ int nonce_length_arg,
+ int tag_length_arg,
+ int exercise_alg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ psa_key_usage_t policy_usage = policy_usage_arg;
+ psa_status_t status;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char nonce[16] = { 0 };
+ size_t nonce_length = nonce_length_arg;
+ unsigned char tag[16];
+ size_t tag_length = tag_length_arg;
+ size_t output_length;
+
+ TEST_LE_U(nonce_length, sizeof(nonce));
+ TEST_LE_U(tag_length, sizeof(tag));
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Check if no key usage implication is done */
+ TEST_EQUAL(policy_usage,
+ mbedtls_test_update_key_usage_flags(policy_usage));
+
+ /* Encrypt check, one-shot */
+ status = psa_aead_encrypt(key, exercise_alg,
+ nonce, nonce_length,
+ NULL, 0,
+ NULL, 0,
+ tag, tag_length,
+ &output_length);
+ if ((policy_usage & PSA_KEY_USAGE_ENCRYPT) != 0) {
+ TEST_EQUAL(status, expected_status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ /* Encrypt check, multi-part */
+ status = psa_aead_encrypt_setup(&operation, key, exercise_alg);
+ if ((policy_usage & PSA_KEY_USAGE_ENCRYPT) != 0) {
+ TEST_EQUAL(status, expected_status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ /* Decrypt check, one-shot */
+ memset(tag, 0, sizeof(tag));
+ status = psa_aead_decrypt(key, exercise_alg,
+ nonce, nonce_length,
+ NULL, 0,
+ tag, tag_length,
+ NULL, 0,
+ &output_length);
+ if ((policy_usage & PSA_KEY_USAGE_DECRYPT) == 0) {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ } else if (expected_status == PSA_SUCCESS) {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_SIGNATURE);
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+
+ /* Decrypt check, multi-part */
+ PSA_ASSERT(psa_aead_abort(&operation));
+ status = psa_aead_decrypt_setup(&operation, key, exercise_alg);
+ if ((policy_usage & PSA_KEY_USAGE_DECRYPT) == 0) {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+
+exit:
+ PSA_ASSERT(psa_aead_abort(&operation));
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void asymmetric_encryption_key_policy(int policy_usage_arg,
+ int policy_alg,
+ int key_type,
+ data_t *key_data,
+ int exercise_alg,
+ int use_opaque_key)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_usage_t policy_usage = policy_usage_arg;
+ psa_status_t status;
+ size_t key_bits;
+ size_t buffer_length;
+ unsigned char *buffer = NULL;
+ size_t output_length;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ if (use_opaque_key) {
+ psa_set_key_lifetime(&attributes, PSA_KEY_LIFETIME_FROM_PERSISTENCE_AND_LOCATION(
+ PSA_KEY_PERSISTENCE_VOLATILE, TEST_DRIVER_LOCATION));
+ }
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Check if no key usage implication is done */
+ TEST_EQUAL(policy_usage,
+ mbedtls_test_update_key_usage_flags(policy_usage));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+ buffer_length = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits,
+ exercise_alg);
+ TEST_CALLOC(buffer, buffer_length);
+
+ status = psa_asymmetric_encrypt(key, exercise_alg,
+ NULL, 0,
+ NULL, 0,
+ buffer, buffer_length,
+ &output_length);
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_ENCRYPT) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ if (buffer_length != 0) {
+ memset(buffer, 0, buffer_length);
+ }
+ status = psa_asymmetric_decrypt(key, exercise_alg,
+ buffer, buffer_length,
+ NULL, 0,
+ buffer, buffer_length,
+ &output_length);
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_DECRYPT) != 0) {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_PADDING);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+ mbedtls_free(buffer);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void asymmetric_signature_key_policy(int policy_usage_arg,
+ int policy_alg,
+ int key_type,
+ data_t *key_data,
+ int exercise_alg,
+ int payload_length_arg,
+ int expected_usage_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_usage_t policy_usage = policy_usage_arg;
+ psa_key_usage_t expected_usage = expected_usage_arg;
+ psa_status_t status;
+ unsigned char payload[PSA_HASH_MAX_SIZE] = { 1 };
+ /* If `payload_length_arg > 0`, `exercise_alg` is supposed to be
+ * compatible with the policy and `payload_length_arg` is supposed to be
+ * a valid input length to sign. If `payload_length_arg <= 0`,
+ * `exercise_alg` is supposed to be forbidden by the policy. */
+ int compatible_alg = payload_length_arg > 0;
+ size_t payload_length = compatible_alg ? payload_length_arg : 0;
+ unsigned char signature[PSA_SIGNATURE_MAX_SIZE] = { 0 };
+ size_t signature_length;
+
+ /* Check if all implicit usage flags are deployed
+ in the expected usage flags. */
+ TEST_EQUAL(expected_usage,
+ mbedtls_test_update_key_usage_flags(policy_usage));
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ TEST_EQUAL(psa_get_key_usage_flags(&attributes), expected_usage);
+
+ status = psa_sign_hash(key, exercise_alg,
+ payload, payload_length,
+ signature, sizeof(signature),
+ &signature_length);
+ if (compatible_alg && (expected_usage & PSA_KEY_USAGE_SIGN_HASH) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ memset(signature, 0, sizeof(signature));
+ status = psa_verify_hash(key, exercise_alg,
+ payload, payload_length,
+ signature, sizeof(signature));
+ if (compatible_alg && (expected_usage & PSA_KEY_USAGE_VERIFY_HASH) != 0) {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_SIGNATURE);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ if (PSA_ALG_IS_SIGN_HASH(exercise_alg) &&
+ PSA_ALG_IS_HASH(PSA_ALG_SIGN_GET_HASH(exercise_alg))) {
+ status = psa_sign_message(key, exercise_alg,
+ payload, payload_length,
+ signature, sizeof(signature),
+ &signature_length);
+ if (compatible_alg && (expected_usage & PSA_KEY_USAGE_SIGN_MESSAGE) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+ memset(signature, 0, sizeof(signature));
+ status = psa_verify_message(key, exercise_alg,
+ payload, payload_length,
+ signature, sizeof(signature));
+ if (compatible_alg && (expected_usage & PSA_KEY_USAGE_VERIFY_MESSAGE) != 0) {
+ TEST_EQUAL(status, PSA_ERROR_INVALID_SIGNATURE);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+ }
+
+exit:
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_key_policy(int policy_usage,
+ int policy_alg,
+ int key_type,
+ data_t *key_data,
+ int exercise_alg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, exercise_alg));
+
+ if (PSA_ALG_IS_TLS12_PRF(exercise_alg) ||
+ PSA_ALG_IS_TLS12_PSK_TO_MS(exercise_alg)) {
+ PSA_ASSERT(psa_key_derivation_input_bytes(
+ &operation,
+ PSA_KEY_DERIVATION_INPUT_SEED,
+ (const uint8_t *) "", 0));
+ }
+
+ status = psa_key_derivation_input_key(&operation,
+ PSA_KEY_DERIVATION_INPUT_SECRET,
+ key);
+
+ if (policy_alg == exercise_alg &&
+ (policy_usage & PSA_KEY_USAGE_DERIVE) != 0) {
+ PSA_ASSERT(status);
+ } else {
+ TEST_EQUAL(status, PSA_ERROR_NOT_PERMITTED);
+ }
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void agreement_key_policy(int policy_usage,
+ int policy_alg,
+ int key_type_arg,
+ data_t *key_data,
+ int exercise_alg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_status_t status;
+ psa_status_t expected_status = expected_status_arg;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, exercise_alg));
+ status = mbedtls_test_psa_key_agreement_with_self(&operation, key, 0);
+
+ TEST_EQUAL(status, expected_status);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_policy_alg2(int key_type_arg, data_t *key_data,
+ int usage_arg, int alg_arg, int alg2_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_usage_t usage = usage_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_algorithm_t alg2 = alg2_arg;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_enrollment_algorithm(&attributes, alg2);
+ psa_set_key_type(&attributes, key_type);
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Update the usage flags to obtain implicit usage flags */
+ usage = mbedtls_test_update_key_usage_flags(usage);
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_usage_flags(&got_attributes), usage);
+ TEST_EQUAL(psa_get_key_algorithm(&got_attributes), alg);
+ TEST_EQUAL(psa_get_key_enrollment_algorithm(&got_attributes), alg2);
+
+ if (!mbedtls_test_psa_exercise_key(key, usage, alg, 0)) {
+ goto exit;
+ }
+ if (!mbedtls_test_psa_exercise_key(key, usage, alg2, 0)) {
+ goto exit;
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void raw_agreement_key_policy(int policy_usage,
+ int policy_alg,
+ int key_type_arg,
+ data_t *key_data,
+ int exercise_alg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_status_t status;
+ psa_status_t expected_status = expected_status_arg;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, policy_usage);
+ psa_set_key_algorithm(&attributes, policy_alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ status = mbedtls_test_psa_raw_key_agreement_with_self(exercise_alg, key, 0);
+
+ TEST_EQUAL(status, expected_status);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void copy_success(int source_usage_arg,
+ int source_alg_arg, int source_alg2_arg,
+ int source_lifetime_arg,
+ int type_arg, data_t *material,
+ int copy_attributes,
+ int target_usage_arg,
+ int target_alg_arg, int target_alg2_arg,
+ int target_lifetime_arg,
+ int expected_usage_arg,
+ int expected_alg_arg, int expected_alg2_arg)
+{
+ psa_key_attributes_t source_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t target_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_usage_t expected_usage = expected_usage_arg;
+ psa_algorithm_t expected_alg = expected_alg_arg;
+ psa_algorithm_t expected_alg2 = expected_alg2_arg;
+ psa_key_lifetime_t source_lifetime = source_lifetime_arg;
+ psa_key_lifetime_t target_lifetime = target_lifetime_arg;
+ mbedtls_svc_key_id_t source_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t target_key = MBEDTLS_SVC_KEY_ID_INIT;
+ uint8_t *export_buffer = NULL;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Prepare the source key. */
+ psa_set_key_usage_flags(&source_attributes, source_usage_arg);
+ psa_set_key_algorithm(&source_attributes, source_alg_arg);
+ psa_set_key_enrollment_algorithm(&source_attributes, source_alg2_arg);
+ psa_set_key_type(&source_attributes, type_arg);
+ psa_set_key_lifetime(&source_attributes, source_lifetime);
+ PSA_ASSERT(psa_import_key(&source_attributes,
+ material->x, material->len,
+ &source_key));
+ PSA_ASSERT(psa_get_key_attributes(source_key, &source_attributes));
+
+ /* Prepare the target attributes. */
+ if (copy_attributes) {
+ target_attributes = source_attributes;
+ }
+ psa_set_key_lifetime(&target_attributes, target_lifetime);
+
+ if (target_usage_arg != -1) {
+ psa_set_key_usage_flags(&target_attributes, target_usage_arg);
+ }
+ if (target_alg_arg != -1) {
+ psa_set_key_algorithm(&target_attributes, target_alg_arg);
+ }
+ if (target_alg2_arg != -1) {
+ psa_set_key_enrollment_algorithm(&target_attributes, target_alg2_arg);
+ }
+
+
+ /* Copy the key. */
+ PSA_ASSERT(psa_copy_key(source_key,
+ &target_attributes, &target_key));
+
+ /* Destroy the source to ensure that this doesn't affect the target. */
+ PSA_ASSERT(psa_destroy_key(source_key));
+
+ /* Test that the target slot has the expected content and policy. */
+ PSA_ASSERT(psa_get_key_attributes(target_key, &target_attributes));
+ TEST_EQUAL(psa_get_key_type(&source_attributes),
+ psa_get_key_type(&target_attributes));
+ TEST_EQUAL(psa_get_key_bits(&source_attributes),
+ psa_get_key_bits(&target_attributes));
+ TEST_EQUAL(expected_usage, psa_get_key_usage_flags(&target_attributes));
+ TEST_EQUAL(expected_alg, psa_get_key_algorithm(&target_attributes));
+ TEST_EQUAL(expected_alg2,
+ psa_get_key_enrollment_algorithm(&target_attributes));
+ if (expected_usage & PSA_KEY_USAGE_EXPORT) {
+ size_t length;
+ TEST_CALLOC(export_buffer, material->len);
+ PSA_ASSERT(psa_export_key(target_key, export_buffer,
+ material->len, &length));
+ TEST_MEMORY_COMPARE(material->x, material->len,
+ export_buffer, length);
+ }
+
+ if (!psa_key_lifetime_is_external(target_lifetime)) {
+ if (!mbedtls_test_psa_exercise_key(target_key, expected_usage, expected_alg, 0)) {
+ goto exit;
+ }
+ if (!mbedtls_test_psa_exercise_key(target_key, expected_usage, expected_alg2, 0)) {
+ goto exit;
+ }
+ }
+
+ PSA_ASSERT(psa_destroy_key(target_key));
+
+exit:
+ /*
+ * Source and target key attributes may have been returned by
+ * psa_get_key_attributes() thus reset them as required.
+ */
+ psa_reset_key_attributes(&source_attributes);
+ psa_reset_key_attributes(&target_attributes);
+
+ PSA_DONE();
+ mbedtls_free(export_buffer);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void copy_fail(int source_usage_arg,
+ int source_alg_arg, int source_alg2_arg,
+ int source_lifetime_arg,
+ int type_arg, data_t *material,
+ int target_type_arg, int target_bits_arg,
+ int target_usage_arg,
+ int target_alg_arg, int target_alg2_arg,
+ int target_id_arg, int target_lifetime_arg,
+ int expected_status_arg)
+{
+ psa_key_attributes_t source_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t target_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ mbedtls_svc_key_id_t source_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t target_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t key_id = mbedtls_svc_key_id_make(1, target_id_arg);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Prepare the source key. */
+ psa_set_key_usage_flags(&source_attributes, source_usage_arg);
+ psa_set_key_algorithm(&source_attributes, source_alg_arg);
+ psa_set_key_enrollment_algorithm(&source_attributes, source_alg2_arg);
+ psa_set_key_type(&source_attributes, type_arg);
+ psa_set_key_lifetime(&source_attributes, source_lifetime_arg);
+ PSA_ASSERT(psa_import_key(&source_attributes,
+ material->x, material->len,
+ &source_key));
+
+ /* Prepare the target attributes. */
+ psa_set_key_id(&target_attributes, key_id);
+ psa_set_key_lifetime(&target_attributes, target_lifetime_arg);
+ psa_set_key_type(&target_attributes, target_type_arg);
+ psa_set_key_bits(&target_attributes, target_bits_arg);
+ psa_set_key_usage_flags(&target_attributes, target_usage_arg);
+ psa_set_key_algorithm(&target_attributes, target_alg_arg);
+ psa_set_key_enrollment_algorithm(&target_attributes, target_alg2_arg);
+
+ /* Try to copy the key. */
+ TEST_EQUAL(psa_copy_key(source_key,
+ &target_attributes, &target_key),
+ expected_status_arg);
+
+ PSA_ASSERT(psa_destroy_key(source_key));
+
+exit:
+ psa_reset_key_attributes(&source_attributes);
+ psa_reset_key_attributes(&target_attributes);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void hash_operation_init()
+{
+ const uint8_t input[1] = { 0 };
+ /* Test each valid way of initializing the object, except for `= {0}`, as
+ * Clang 5 complains when `-Wmissing-field-initializers` is used, even
+ * though it's OK by the C standard. We could test for this, but we'd need
+ * to suppress the Clang warning for the test. */
+ psa_hash_operation_t func = psa_hash_operation_init();
+ psa_hash_operation_t init = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t zero;
+
+ memset(&zero, 0, sizeof(zero));
+
+ /* A freshly-initialized hash operation should not be usable. */
+ TEST_EQUAL(psa_hash_update(&func, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_hash_update(&init, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_hash_update(&zero, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+
+ /* A default hash operation should be abortable without error. */
+ PSA_ASSERT(psa_hash_abort(&func));
+ PSA_ASSERT(psa_hash_abort(&init));
+ PSA_ASSERT(psa_hash_abort(&zero));
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void hash_setup(int alg_arg,
+ int expected_status_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ uint8_t *output = NULL;
+ size_t output_size = 0;
+ size_t output_length = 0;
+ psa_status_t expected_status = expected_status_arg;
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Hash Setup, one-shot */
+ output_size = PSA_HASH_LENGTH(alg);
+ TEST_CALLOC(output, output_size);
+
+ status = psa_hash_compute(alg, NULL, 0,
+ output, output_size, &output_length);
+ TEST_EQUAL(status, expected_status);
+
+ /* Hash Setup, multi-part */
+ status = psa_hash_setup(&operation, alg);
+ TEST_EQUAL(status, expected_status);
+
+ /* Whether setup succeeded or failed, abort must succeed. */
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* If setup failed, reproduce the failure, so as to
+ * test the resulting state of the operation object. */
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(psa_hash_setup(&operation, alg), status);
+ }
+
+ /* Now the operation object should be reusable. */
+#if defined(KNOWN_SUPPORTED_HASH_ALG)
+ PSA_ASSERT(psa_hash_setup(&operation, KNOWN_SUPPORTED_HASH_ALG));
+ PSA_ASSERT(psa_hash_abort(&operation));
+#endif
+
+exit:
+ mbedtls_free(output);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void hash_compute_fail(int alg_arg, data_t *input,
+ int output_size_arg, int expected_status_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ uint8_t *output = NULL;
+ size_t output_size = output_size_arg;
+ size_t output_length = INVALID_EXPORT_LENGTH;
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+ psa_status_t expected_status = expected_status_arg;
+ psa_status_t status;
+
+ TEST_CALLOC(output, output_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Hash Compute, one-shot */
+ status = psa_hash_compute(alg, input->x, input->len,
+ output, output_size, &output_length);
+ TEST_EQUAL(status, expected_status);
+ TEST_LE_U(output_length, output_size);
+
+ /* Hash Compute, multi-part */
+ status = psa_hash_setup(&operation, alg);
+ if (status == PSA_SUCCESS) {
+ status = psa_hash_update(&operation, input->x, input->len);
+ if (status == PSA_SUCCESS) {
+ status = psa_hash_finish(&operation, output, output_size,
+ &output_length);
+ if (status == PSA_SUCCESS) {
+ TEST_LE_U(output_length, output_size);
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+
+exit:
+ PSA_ASSERT(psa_hash_abort(&operation));
+ mbedtls_free(output);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void hash_compare_fail(int alg_arg, data_t *input,
+ data_t *reference_hash,
+ int expected_status_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Hash Compare, one-shot */
+ status = psa_hash_compare(alg, input->x, input->len,
+ reference_hash->x, reference_hash->len);
+ TEST_EQUAL(status, expected_status);
+
+ /* Hash Compare, multi-part */
+ status = psa_hash_setup(&operation, alg);
+ if (status == PSA_SUCCESS) {
+ status = psa_hash_update(&operation, input->x, input->len);
+ if (status == PSA_SUCCESS) {
+ status = psa_hash_verify(&operation, reference_hash->x,
+ reference_hash->len);
+ TEST_EQUAL(status, expected_status);
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+
+exit:
+ PSA_ASSERT(psa_hash_abort(&operation));
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void hash_compute_compare(int alg_arg, data_t *input,
+ data_t *expected_output)
+{
+ psa_algorithm_t alg = alg_arg;
+ uint8_t output[PSA_HASH_MAX_SIZE + 1];
+ size_t output_length = INVALID_EXPORT_LENGTH;
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+ size_t i;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Compute with tight buffer, one-shot */
+ PSA_ASSERT(psa_hash_compute(alg, input->x, input->len,
+ output, PSA_HASH_LENGTH(alg),
+ &output_length));
+ TEST_EQUAL(output_length, PSA_HASH_LENGTH(alg));
+ TEST_MEMORY_COMPARE(output, output_length,
+ expected_output->x, expected_output->len);
+
+ /* Compute with tight buffer, multi-part */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_update(&operation, input->x, input->len));
+ PSA_ASSERT(psa_hash_finish(&operation, output,
+ PSA_HASH_LENGTH(alg),
+ &output_length));
+ TEST_EQUAL(output_length, PSA_HASH_LENGTH(alg));
+ TEST_MEMORY_COMPARE(output, output_length,
+ expected_output->x, expected_output->len);
+
+ /* Compute with larger buffer, one-shot */
+ PSA_ASSERT(psa_hash_compute(alg, input->x, input->len,
+ output, sizeof(output),
+ &output_length));
+ TEST_EQUAL(output_length, PSA_HASH_LENGTH(alg));
+ TEST_MEMORY_COMPARE(output, output_length,
+ expected_output->x, expected_output->len);
+
+ /* Compute with larger buffer, multi-part */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_update(&operation, input->x, input->len));
+ PSA_ASSERT(psa_hash_finish(&operation, output,
+ sizeof(output), &output_length));
+ TEST_EQUAL(output_length, PSA_HASH_LENGTH(alg));
+ TEST_MEMORY_COMPARE(output, output_length,
+ expected_output->x, expected_output->len);
+
+ /* Compare with correct hash, one-shot */
+ PSA_ASSERT(psa_hash_compare(alg, input->x, input->len,
+ output, output_length));
+
+ /* Compare with correct hash, multi-part */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_update(&operation, input->x, input->len));
+ PSA_ASSERT(psa_hash_verify(&operation, output,
+ output_length));
+
+ /* Compare with trailing garbage, one-shot */
+ TEST_EQUAL(psa_hash_compare(alg, input->x, input->len,
+ output, output_length + 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Compare with trailing garbage, multi-part */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_update(&operation, input->x, input->len));
+ TEST_EQUAL(psa_hash_verify(&operation, output, output_length + 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Compare with truncated hash, one-shot */
+ TEST_EQUAL(psa_hash_compare(alg, input->x, input->len,
+ output, output_length - 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Compare with truncated hash, multi-part */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_update(&operation, input->x, input->len));
+ TEST_EQUAL(psa_hash_verify(&operation, output, output_length - 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Compare with corrupted value */
+ for (i = 0; i < output_length; i++) {
+ mbedtls_test_set_step(i);
+ output[i] ^= 1;
+
+ /* One-shot */
+ TEST_EQUAL(psa_hash_compare(alg, input->x, input->len,
+ output, output_length),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Multi-Part */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_update(&operation, input->x, input->len));
+ TEST_EQUAL(psa_hash_verify(&operation, output, output_length),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ output[i] ^= 1;
+ }
+
+exit:
+ PSA_ASSERT(psa_hash_abort(&operation));
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_SHA_256 */
+void hash_bad_order()
+{
+ psa_algorithm_t alg = PSA_ALG_SHA_256;
+ unsigned char input[] = "";
+ /* SHA-256 hash of an empty string */
+ const unsigned char valid_hash[] = {
+ 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8,
+ 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
+ 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55
+ };
+ unsigned char hash[sizeof(valid_hash)] = { 0 };
+ size_t hash_len;
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Call setup twice in a row. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_hash_setup(&operation, alg),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_hash_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Call update without calling setup beforehand. */
+ TEST_EQUAL(psa_hash_update(&operation, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Check that update calls abort on error. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ operation.id = UINT_MAX;
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_hash_update(&operation, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_hash_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Call update after finish. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_finish(&operation,
+ hash, sizeof(hash), &hash_len));
+ TEST_EQUAL(psa_hash_update(&operation, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Call verify without calling setup beforehand. */
+ TEST_EQUAL(psa_hash_verify(&operation,
+ valid_hash, sizeof(valid_hash)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Call verify after finish. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_finish(&operation,
+ hash, sizeof(hash), &hash_len));
+ TEST_EQUAL(psa_hash_verify(&operation,
+ valid_hash, sizeof(valid_hash)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Call verify twice in a row. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ PSA_ASSERT(psa_hash_verify(&operation,
+ valid_hash, sizeof(valid_hash)));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ TEST_EQUAL(psa_hash_verify(&operation,
+ valid_hash, sizeof(valid_hash)),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Call finish without calling setup beforehand. */
+ TEST_EQUAL(psa_hash_finish(&operation,
+ hash, sizeof(hash), &hash_len),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Call finish twice in a row. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_finish(&operation,
+ hash, sizeof(hash), &hash_len));
+ TEST_EQUAL(psa_hash_finish(&operation,
+ hash, sizeof(hash), &hash_len),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+ /* Call finish after calling verify. */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ PSA_ASSERT(psa_hash_verify(&operation,
+ valid_hash, sizeof(valid_hash)));
+ TEST_EQUAL(psa_hash_finish(&operation,
+ hash, sizeof(hash), &hash_len),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_hash_abort(&operation));
+
+exit:
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_SHA_256 */
+void hash_verify_bad_args()
+{
+ psa_algorithm_t alg = PSA_ALG_SHA_256;
+ /* SHA-256 hash of an empty string with 2 extra bytes (0xaa and 0xbb)
+ * appended to it */
+ unsigned char hash[] = {
+ 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14, 0x9a, 0xfb, 0xf4, 0xc8,
+ 0x99, 0x6f, 0xb9, 0x24, 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
+ 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55, 0xaa, 0xbb
+ };
+ size_t expected_size = PSA_HASH_LENGTH(alg);
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* psa_hash_verify with a smaller hash than expected */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_hash_verify(&operation, hash, expected_size - 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_hash_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* psa_hash_verify with a non-matching hash */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ TEST_EQUAL(psa_hash_verify(&operation, hash + 1, expected_size),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* psa_hash_verify with a hash longer than expected */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ TEST_EQUAL(psa_hash_verify(&operation, hash, sizeof(hash)),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+exit:
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_SHA_256 */
+void hash_finish_bad_args()
+{
+ psa_algorithm_t alg = PSA_ALG_SHA_256;
+ unsigned char hash[PSA_HASH_MAX_SIZE];
+ size_t expected_size = PSA_HASH_LENGTH(alg);
+ psa_hash_operation_t operation = PSA_HASH_OPERATION_INIT;
+ size_t hash_len;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* psa_hash_finish with a smaller hash buffer than expected */
+ PSA_ASSERT(psa_hash_setup(&operation, alg));
+ TEST_EQUAL(psa_hash_finish(&operation,
+ hash, expected_size - 1, &hash_len),
+ PSA_ERROR_BUFFER_TOO_SMALL);
+
+exit:
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_SHA_256 */
+void hash_clone_source_state()
+{
+ psa_algorithm_t alg = PSA_ALG_SHA_256;
+ unsigned char hash[PSA_HASH_MAX_SIZE];
+ psa_hash_operation_t op_source = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_init = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_setup = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_finished = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_aborted = PSA_HASH_OPERATION_INIT;
+ size_t hash_len;
+
+ PSA_ASSERT(psa_crypto_init());
+ PSA_ASSERT(psa_hash_setup(&op_source, alg));
+
+ PSA_ASSERT(psa_hash_setup(&op_setup, alg));
+ PSA_ASSERT(psa_hash_setup(&op_finished, alg));
+ PSA_ASSERT(psa_hash_finish(&op_finished,
+ hash, sizeof(hash), &hash_len));
+ PSA_ASSERT(psa_hash_setup(&op_aborted, alg));
+ PSA_ASSERT(psa_hash_abort(&op_aborted));
+
+ TEST_EQUAL(psa_hash_clone(&op_source, &op_setup),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_hash_clone(&op_source, &op_init));
+ PSA_ASSERT(psa_hash_finish(&op_init,
+ hash, sizeof(hash), &hash_len));
+ PSA_ASSERT(psa_hash_clone(&op_source, &op_finished));
+ PSA_ASSERT(psa_hash_finish(&op_finished,
+ hash, sizeof(hash), &hash_len));
+ PSA_ASSERT(psa_hash_clone(&op_source, &op_aborted));
+ PSA_ASSERT(psa_hash_finish(&op_aborted,
+ hash, sizeof(hash), &hash_len));
+
+exit:
+ psa_hash_abort(&op_source);
+ psa_hash_abort(&op_init);
+ psa_hash_abort(&op_setup);
+ psa_hash_abort(&op_finished);
+ psa_hash_abort(&op_aborted);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_SHA_256 */
+void hash_clone_target_state()
+{
+ psa_algorithm_t alg = PSA_ALG_SHA_256;
+ unsigned char hash[PSA_HASH_MAX_SIZE];
+ psa_hash_operation_t op_init = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_setup = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_finished = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_aborted = PSA_HASH_OPERATION_INIT;
+ psa_hash_operation_t op_target = PSA_HASH_OPERATION_INIT;
+ size_t hash_len;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ PSA_ASSERT(psa_hash_setup(&op_setup, alg));
+ PSA_ASSERT(psa_hash_setup(&op_finished, alg));
+ PSA_ASSERT(psa_hash_finish(&op_finished,
+ hash, sizeof(hash), &hash_len));
+ PSA_ASSERT(psa_hash_setup(&op_aborted, alg));
+ PSA_ASSERT(psa_hash_abort(&op_aborted));
+
+ PSA_ASSERT(psa_hash_clone(&op_setup, &op_target));
+ PSA_ASSERT(psa_hash_finish(&op_target,
+ hash, sizeof(hash), &hash_len));
+
+ TEST_EQUAL(psa_hash_clone(&op_init, &op_target), PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_hash_clone(&op_finished, &op_target),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_hash_clone(&op_aborted, &op_target),
+ PSA_ERROR_BAD_STATE);
+
+exit:
+ psa_hash_abort(&op_target);
+ psa_hash_abort(&op_init);
+ psa_hash_abort(&op_setup);
+ psa_hash_abort(&op_finished);
+ psa_hash_abort(&op_aborted);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mac_operation_init()
+{
+ const uint8_t input[1] = { 0 };
+
+ /* Test each valid way of initializing the object, except for `= {0}`, as
+ * Clang 5 complains when `-Wmissing-field-initializers` is used, even
+ * though it's OK by the C standard. We could test for this, but we'd need
+ * to suppress the Clang warning for the test. */
+ psa_mac_operation_t func = psa_mac_operation_init();
+ psa_mac_operation_t init = PSA_MAC_OPERATION_INIT;
+ psa_mac_operation_t zero;
+
+ memset(&zero, 0, sizeof(zero));
+
+ /* A freshly-initialized MAC operation should not be usable. */
+ TEST_EQUAL(psa_mac_update(&func,
+ input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_mac_update(&init,
+ input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_mac_update(&zero,
+ input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+
+ /* A default MAC operation should be abortable without error. */
+ PSA_ASSERT(psa_mac_abort(&func));
+ PSA_ASSERT(psa_mac_abort(&init));
+ PSA_ASSERT(psa_mac_abort(&zero));
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mac_setup(int key_type_arg,
+ data_t *key,
+ int alg_arg,
+ int expected_status_arg)
+{
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+#if defined(KNOWN_SUPPORTED_MAC_ALG)
+ const uint8_t smoke_test_key_data[16] = "kkkkkkkkkkkkkkkk";
+#endif
+
+ PSA_ASSERT(psa_crypto_init());
+
+ if (!exercise_mac_setup(key_type, key->x, key->len, alg,
+ &operation, &status)) {
+ goto exit;
+ }
+ TEST_EQUAL(status, expected_status);
+
+ /* The operation object should be reusable. */
+#if defined(KNOWN_SUPPORTED_MAC_ALG)
+ if (!exercise_mac_setup(KNOWN_SUPPORTED_MAC_KEY_TYPE,
+ smoke_test_key_data,
+ sizeof(smoke_test_key_data),
+ KNOWN_SUPPORTED_MAC_ALG,
+ &operation, &status)) {
+ goto exit;
+ }
+ TEST_EQUAL(status, PSA_SUCCESS);
+#endif
+
+exit:
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_KEY_TYPE_HMAC:PSA_WANT_ALG_HMAC:PSA_WANT_ALG_SHA_256 */
+void mac_bad_order()
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = PSA_KEY_TYPE_HMAC;
+ psa_algorithm_t alg = PSA_ALG_HMAC(PSA_ALG_SHA_256);
+ const uint8_t key_data[] = {
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
+ };
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
+ uint8_t sign_mac[PSA_MAC_MAX_SIZE + 10] = { 0 };
+ size_t sign_mac_length = 0;
+ const uint8_t input[] = { 0xbb, 0xbb, 0xbb, 0xbb };
+ const uint8_t verify_mac[] = {
+ 0x74, 0x65, 0x93, 0x8c, 0xeb, 0x1d, 0xb3, 0x76, 0x5a, 0x38, 0xe7, 0xdd,
+ 0x85, 0xc5, 0xad, 0x4f, 0x07, 0xe7, 0xd5, 0xb2, 0x64, 0xf0, 0x1a, 0x1a,
+ 0x2c, 0xf9, 0x18, 0xca, 0x59, 0x7e, 0x5d, 0xf6
+ };
+
+ PSA_ASSERT(psa_crypto_init());
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH | PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data, sizeof(key_data),
+ &key));
+
+ /* Call update without calling setup beforehand. */
+ TEST_EQUAL(psa_mac_update(&operation, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Call sign finish without calling setup beforehand. */
+ TEST_EQUAL(psa_mac_sign_finish(&operation, sign_mac, sizeof(sign_mac),
+ &sign_mac_length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Call verify finish without calling setup beforehand. */
+ TEST_EQUAL(psa_mac_verify_finish(&operation,
+ verify_mac, sizeof(verify_mac)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Call setup twice in a row. */
+ PSA_ASSERT(psa_mac_sign_setup(&operation, key, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_mac_sign_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_mac_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Call update after sign finish. */
+ PSA_ASSERT(psa_mac_sign_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation, input, sizeof(input)));
+ PSA_ASSERT(psa_mac_sign_finish(&operation,
+ sign_mac, sizeof(sign_mac),
+ &sign_mac_length));
+ TEST_EQUAL(psa_mac_update(&operation, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Call update after verify finish. */
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation, input, sizeof(input)));
+ PSA_ASSERT(psa_mac_verify_finish(&operation,
+ verify_mac, sizeof(verify_mac)));
+ TEST_EQUAL(psa_mac_update(&operation, input, sizeof(input)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Call sign finish twice in a row. */
+ PSA_ASSERT(psa_mac_sign_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation, input, sizeof(input)));
+ PSA_ASSERT(psa_mac_sign_finish(&operation,
+ sign_mac, sizeof(sign_mac),
+ &sign_mac_length));
+ TEST_EQUAL(psa_mac_sign_finish(&operation,
+ sign_mac, sizeof(sign_mac),
+ &sign_mac_length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Call verify finish twice in a row. */
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation, input, sizeof(input)));
+ PSA_ASSERT(psa_mac_verify_finish(&operation,
+ verify_mac, sizeof(verify_mac)));
+ TEST_EQUAL(psa_mac_verify_finish(&operation,
+ verify_mac, sizeof(verify_mac)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ /* Setup sign but try verify. */
+ PSA_ASSERT(psa_mac_sign_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation, input, sizeof(input)));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_mac_verify_finish(&operation,
+ verify_mac, sizeof(verify_mac)),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_mac_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Setup verify but try sign. */
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation, input, sizeof(input)));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_mac_sign_finish(&operation,
+ sign_mac, sizeof(sign_mac),
+ &sign_mac_length),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_mac_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ PSA_ASSERT(psa_destroy_key(key));
+
+exit:
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mac_sign_verify_multi(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input,
+ int is_verify,
+ data_t *expected_mac)
+{
+ size_t data_part_len = 0;
+
+ for (data_part_len = 1; data_part_len <= input->len; data_part_len++) {
+ /* Split data into length(data_part_len) parts. */
+ mbedtls_test_set_step(2000 + data_part_len);
+
+ if (mac_multipart_internal_func(key_type_arg, key_data,
+ alg_arg,
+ input, data_part_len,
+ expected_mac,
+ is_verify, 0) == 0) {
+ break;
+ }
+
+ /* length(0) part, length(data_part_len) part, length(0) part... */
+ mbedtls_test_set_step(3000 + data_part_len);
+
+ if (mac_multipart_internal_func(key_type_arg, key_data,
+ alg_arg,
+ input, data_part_len,
+ expected_mac,
+ is_verify, 1) == 0) {
+ break;
+ }
+ }
+
+ /* Goto is required to silence warnings about unused labels, as we
+ * don't actually do any test assertions in this function. */
+ goto exit;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mac_sign(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input,
+ data_t *expected_mac)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ uint8_t *actual_mac = NULL;
+ size_t mac_buffer_size =
+ PSA_MAC_LENGTH(key_type, PSA_BYTES_TO_BITS(key_data->len), alg);
+ size_t mac_length = 0;
+ const size_t output_sizes_to_test[] = {
+ 0,
+ 1,
+ expected_mac->len - 1,
+ expected_mac->len,
+ expected_mac->len + 1,
+ };
+
+ TEST_LE_U(mac_buffer_size, PSA_MAC_MAX_SIZE);
+ /* We expect PSA_MAC_LENGTH to be exact. */
+ TEST_ASSERT(expected_mac->len == mac_buffer_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ for (size_t i = 0; i < ARRAY_LENGTH(output_sizes_to_test); i++) {
+ const size_t output_size = output_sizes_to_test[i];
+ psa_status_t expected_status =
+ (output_size >= expected_mac->len ? PSA_SUCCESS :
+ PSA_ERROR_BUFFER_TOO_SMALL);
+
+ mbedtls_test_set_step(output_size);
+ TEST_CALLOC(actual_mac, output_size);
+
+ /* Calculate the MAC, one-shot case. */
+ TEST_EQUAL(psa_mac_compute(key, alg,
+ input->x, input->len,
+ actual_mac, output_size, &mac_length),
+ expected_status);
+ if (expected_status == PSA_SUCCESS) {
+ TEST_MEMORY_COMPARE(expected_mac->x, expected_mac->len,
+ actual_mac, mac_length);
+ }
+
+ if (output_size > 0) {
+ memset(actual_mac, 0, output_size);
+ }
+
+ /* Calculate the MAC, multi-part case. */
+ PSA_ASSERT(psa_mac_sign_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation,
+ input->x, input->len));
+ TEST_EQUAL(psa_mac_sign_finish(&operation,
+ actual_mac, output_size,
+ &mac_length),
+ expected_status);
+ PSA_ASSERT(psa_mac_abort(&operation));
+
+ if (expected_status == PSA_SUCCESS) {
+ TEST_MEMORY_COMPARE(expected_mac->x, expected_mac->len,
+ actual_mac, mac_length);
+ }
+ mbedtls_free(actual_mac);
+ actual_mac = NULL;
+ }
+
+exit:
+ psa_mac_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+ mbedtls_free(actual_mac);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void mac_verify(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input,
+ data_t *expected_mac)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_mac_operation_t operation = PSA_MAC_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ uint8_t *perturbed_mac = NULL;
+
+ TEST_LE_U(expected_mac->len, PSA_MAC_MAX_SIZE);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Verify correct MAC, one-shot case. */
+ PSA_ASSERT(psa_mac_verify(key, alg, input->x, input->len,
+ expected_mac->x, expected_mac->len));
+
+ /* Verify correct MAC, multi-part case. */
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation,
+ input->x, input->len));
+ PSA_ASSERT(psa_mac_verify_finish(&operation,
+ expected_mac->x,
+ expected_mac->len));
+
+ /* Test a MAC that's too short, one-shot case. */
+ TEST_EQUAL(psa_mac_verify(key, alg,
+ input->x, input->len,
+ expected_mac->x,
+ expected_mac->len - 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Test a MAC that's too short, multi-part case. */
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation,
+ input->x, input->len));
+ TEST_EQUAL(psa_mac_verify_finish(&operation,
+ expected_mac->x,
+ expected_mac->len - 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Test a MAC that's too long, one-shot case. */
+ TEST_CALLOC(perturbed_mac, expected_mac->len + 1);
+ memcpy(perturbed_mac, expected_mac->x, expected_mac->len);
+ TEST_EQUAL(psa_mac_verify(key, alg,
+ input->x, input->len,
+ perturbed_mac, expected_mac->len + 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Test a MAC that's too long, multi-part case. */
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation,
+ input->x, input->len));
+ TEST_EQUAL(psa_mac_verify_finish(&operation,
+ perturbed_mac,
+ expected_mac->len + 1),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ /* Test changing one byte. */
+ for (size_t i = 0; i < expected_mac->len; i++) {
+ mbedtls_test_set_step(i);
+ perturbed_mac[i] ^= 1;
+
+ TEST_EQUAL(psa_mac_verify(key, alg,
+ input->x, input->len,
+ perturbed_mac, expected_mac->len),
+ PSA_ERROR_INVALID_SIGNATURE);
+
+ PSA_ASSERT(psa_mac_verify_setup(&operation, key, alg));
+ PSA_ASSERT(psa_mac_update(&operation,
+ input->x, input->len));
+ TEST_EQUAL(psa_mac_verify_finish(&operation,
+ perturbed_mac,
+ expected_mac->len),
+ PSA_ERROR_INVALID_SIGNATURE);
+ perturbed_mac[i] ^= 1;
+ }
+
+exit:
+ psa_mac_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+ mbedtls_free(perturbed_mac);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_operation_init()
+{
+ const uint8_t input[1] = { 0 };
+ unsigned char output[1] = { 0 };
+ size_t output_length;
+ /* Test each valid way of initializing the object, except for `= {0}`, as
+ * Clang 5 complains when `-Wmissing-field-initializers` is used, even
+ * though it's OK by the C standard. We could test for this, but we'd need
+ * to suppress the Clang warning for the test. */
+ psa_cipher_operation_t func = psa_cipher_operation_init();
+ psa_cipher_operation_t init = PSA_CIPHER_OPERATION_INIT;
+ psa_cipher_operation_t zero;
+
+ memset(&zero, 0, sizeof(zero));
+
+ /* A freshly-initialized cipher operation should not be usable. */
+ TEST_EQUAL(psa_cipher_update(&func,
+ input, sizeof(input),
+ output, sizeof(output),
+ &output_length),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_cipher_update(&init,
+ input, sizeof(input),
+ output, sizeof(output),
+ &output_length),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_cipher_update(&zero,
+ input, sizeof(input),
+ output, sizeof(output),
+ &output_length),
+ PSA_ERROR_BAD_STATE);
+
+ /* A default cipher operation should be abortable without error. */
+ PSA_ASSERT(psa_cipher_abort(&func));
+ PSA_ASSERT(psa_cipher_abort(&init));
+ PSA_ASSERT(psa_cipher_abort(&zero));
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_setup(int key_type_arg,
+ data_t *key,
+ int alg_arg,
+ int expected_status_arg)
+{
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_status_t status;
+#if defined(KNOWN_SUPPORTED_CIPHER_ALG)
+ const uint8_t smoke_test_key_data[16] = "kkkkkkkkkkkkkkkk";
+#endif
+
+ PSA_ASSERT(psa_crypto_init());
+
+ if (!exercise_cipher_setup(key_type, key->x, key->len, alg,
+ &operation, &status)) {
+ goto exit;
+ }
+ TEST_EQUAL(status, expected_status);
+
+ /* The operation object should be reusable. */
+#if defined(KNOWN_SUPPORTED_CIPHER_ALG)
+ if (!exercise_cipher_setup(KNOWN_SUPPORTED_CIPHER_KEY_TYPE,
+ smoke_test_key_data,
+ sizeof(smoke_test_key_data),
+ KNOWN_SUPPORTED_CIPHER_ALG,
+ &operation, &status)) {
+ goto exit;
+ }
+ TEST_EQUAL(status, PSA_SUCCESS);
+#endif
+
+exit:
+ psa_cipher_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_KEY_TYPE_AES:PSA_WANT_ALG_CBC_PKCS7 */
+void cipher_bad_order()
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = PSA_KEY_TYPE_AES;
+ psa_algorithm_t alg = PSA_ALG_CBC_PKCS7;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ unsigned char iv[PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES)] = { 0 };
+ const uint8_t key_data[] = {
+ 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
+ 0xaa, 0xaa, 0xaa, 0xaa
+ };
+ const uint8_t text[] = {
+ 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0xbb,
+ 0xbb, 0xbb, 0xbb, 0xbb
+ };
+ uint8_t buffer[PSA_BLOCK_CIPHER_BLOCK_LENGTH(PSA_KEY_TYPE_AES)] = { 0 };
+ size_t length = 0;
+
+ PSA_ASSERT(psa_crypto_init());
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+ PSA_ASSERT(psa_import_key(&attributes, key_data, sizeof(key_data),
+ &key));
+
+ /* Call encrypt setup twice in a row. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_cipher_encrypt_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Call decrypt setup twice in a row. */
+ PSA_ASSERT(psa_cipher_decrypt_setup(&operation, key, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_cipher_decrypt_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Generate an IV without calling setup beforehand. */
+ TEST_EQUAL(psa_cipher_generate_iv(&operation,
+ buffer, sizeof(buffer),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Generate an IV twice in a row. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_generate_iv(&operation,
+ buffer, sizeof(buffer),
+ &length));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_cipher_generate_iv(&operation,
+ buffer, sizeof(buffer),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Generate an IV after it's already set. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)));
+ TEST_EQUAL(psa_cipher_generate_iv(&operation,
+ buffer, sizeof(buffer),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Set an IV without calling setup beforehand. */
+ TEST_EQUAL(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Set an IV after it's already set. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Set an IV after it's already generated. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_generate_iv(&operation,
+ buffer, sizeof(buffer),
+ &length));
+ TEST_EQUAL(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Call update without calling setup beforehand. */
+ TEST_EQUAL(psa_cipher_update(&operation,
+ text, sizeof(text),
+ buffer, sizeof(buffer),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Call update without an IV where an IV is required. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_cipher_update(&operation,
+ text, sizeof(text),
+ buffer, sizeof(buffer),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Call update after finish. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)));
+ PSA_ASSERT(psa_cipher_finish(&operation,
+ buffer, sizeof(buffer), &length));
+ TEST_EQUAL(psa_cipher_update(&operation,
+ text, sizeof(text),
+ buffer, sizeof(buffer),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Call finish without calling setup beforehand. */
+ TEST_EQUAL(psa_cipher_finish(&operation,
+ buffer, sizeof(buffer), &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ /* Call finish without an IV where an IV is required. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ /* Not calling update means we are encrypting an empty buffer, which is OK
+ * for cipher modes with padding. */
+ ASSERT_OPERATION_IS_ACTIVE(operation);
+ TEST_EQUAL(psa_cipher_finish(&operation,
+ buffer, sizeof(buffer), &length),
+ PSA_ERROR_BAD_STATE);
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ ASSERT_OPERATION_IS_INACTIVE(operation);
+
+ /* Call finish twice in a row. */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_set_iv(&operation,
+ iv, sizeof(iv)));
+ PSA_ASSERT(psa_cipher_finish(&operation,
+ buffer, sizeof(buffer), &length));
+ TEST_EQUAL(psa_cipher_finish(&operation,
+ buffer, sizeof(buffer), &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ PSA_ASSERT(psa_destroy_key(key));
+
+exit:
+ psa_cipher_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_encrypt_fail(int alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ data_t *input,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_status_t status;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char iv[PSA_CIPHER_IV_MAX_SIZE] = { 0 };
+ size_t iv_size = PSA_CIPHER_IV_MAX_SIZE;
+ size_t iv_length = 0;
+ unsigned char *output = NULL;
+ size_t output_buffer_size = 0;
+ size_t output_length = 0;
+ size_t function_output_length;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ if (PSA_ERROR_BAD_STATE != expected_status) {
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ output_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg,
+ input->len);
+ TEST_CALLOC(output, output_buffer_size);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ }
+
+ /* Encrypt, one-shot */
+ status = psa_cipher_encrypt(key, alg, input->x, input->len, output,
+ output_buffer_size, &output_length);
+
+ TEST_EQUAL(status, expected_status);
+
+ /* Encrypt, multi-part */
+ status = psa_cipher_encrypt_setup(&operation, key, alg);
+ if (status == PSA_SUCCESS) {
+ if (alg != PSA_ALG_ECB_NO_PADDING) {
+ PSA_ASSERT(psa_cipher_generate_iv(&operation,
+ iv, iv_size,
+ &iv_length));
+ }
+
+ status = psa_cipher_update(&operation, input->x, input->len,
+ output, output_buffer_size,
+ &function_output_length);
+ if (status == PSA_SUCCESS) {
+ output_length += function_output_length;
+
+ status = psa_cipher_finish(&operation, output + output_length,
+ output_buffer_size - output_length,
+ &function_output_length);
+
+ TEST_EQUAL(status, expected_status);
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(output);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_encrypt_validate_iv_length(int alg, int key_type, data_t *key_data,
+ data_t *input, int iv_length,
+ int expected_result)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t output_buffer_size = 0;
+ unsigned char *output = NULL;
+
+ output_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, input->len);
+ TEST_CALLOC(output, output_buffer_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ TEST_EQUAL(expected_result, psa_cipher_set_iv(&operation, output,
+ iv_length));
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(output);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_alg_without_iv(int alg_arg, int key_type_arg, data_t *key_data,
+ data_t *plaintext, data_t *ciphertext)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ uint8_t iv[1] = { 0x5a };
+ unsigned char *output = NULL;
+ size_t output_buffer_size = 0;
+ size_t output_length, length;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Validate size macros */
+ TEST_LE_U(ciphertext->len,
+ PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, plaintext->len));
+ TEST_LE_U(PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, plaintext->len),
+ PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE(plaintext->len));
+ TEST_LE_U(plaintext->len,
+ PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, ciphertext->len));
+ TEST_LE_U(PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, ciphertext->len),
+ PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE(ciphertext->len));
+
+
+ /* Set up key and output buffer */
+ psa_set_key_usage_flags(&attributes,
+ PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ output_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg,
+ plaintext->len);
+ TEST_CALLOC(output, output_buffer_size);
+
+ /* set_iv() is not allowed */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ TEST_EQUAL(psa_cipher_set_iv(&operation, iv, sizeof(iv)),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_decrypt_setup(&operation, key, alg));
+ TEST_EQUAL(psa_cipher_set_iv(&operation, iv, sizeof(iv)),
+ PSA_ERROR_BAD_STATE);
+
+ /* generate_iv() is not allowed */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ TEST_EQUAL(psa_cipher_generate_iv(&operation, iv, sizeof(iv),
+ &length),
+ PSA_ERROR_BAD_STATE);
+ PSA_ASSERT(psa_cipher_decrypt_setup(&operation, key, alg));
+ TEST_EQUAL(psa_cipher_generate_iv(&operation, iv, sizeof(iv),
+ &length),
+ PSA_ERROR_BAD_STATE);
+
+ /* Multipart encryption */
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ output_length = 0;
+ length = ~0;
+ PSA_ASSERT(psa_cipher_update(&operation,
+ plaintext->x, plaintext->len,
+ output, output_buffer_size,
+ &length));
+ TEST_LE_U(length, output_buffer_size);
+ output_length += length;
+ PSA_ASSERT(psa_cipher_finish(&operation,
+ mbedtls_buffer_offset(output, output_length),
+ output_buffer_size - output_length,
+ &length));
+ output_length += length;
+ TEST_MEMORY_COMPARE(ciphertext->x, ciphertext->len,
+ output, output_length);
+
+ /* Multipart encryption */
+ PSA_ASSERT(psa_cipher_decrypt_setup(&operation, key, alg));
+ output_length = 0;
+ length = ~0;
+ PSA_ASSERT(psa_cipher_update(&operation,
+ ciphertext->x, ciphertext->len,
+ output, output_buffer_size,
+ &length));
+ TEST_LE_U(length, output_buffer_size);
+ output_length += length;
+ PSA_ASSERT(psa_cipher_finish(&operation,
+ mbedtls_buffer_offset(output, output_length),
+ output_buffer_size - output_length,
+ &length));
+ output_length += length;
+ TEST_MEMORY_COMPARE(plaintext->x, plaintext->len,
+ output, output_length);
+
+ /* One-shot encryption */
+ output_length = ~0;
+ PSA_ASSERT(psa_cipher_encrypt(key, alg, plaintext->x, plaintext->len,
+ output, output_buffer_size,
+ &output_length));
+ TEST_MEMORY_COMPARE(ciphertext->x, ciphertext->len,
+ output, output_length);
+
+ /* One-shot decryption */
+ output_length = ~0;
+ PSA_ASSERT(psa_cipher_decrypt(key, alg, ciphertext->x, ciphertext->len,
+ output, output_buffer_size,
+ &output_length));
+ TEST_MEMORY_COMPARE(plaintext->x, plaintext->len,
+ output, output_length);
+
+exit:
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ mbedtls_free(output);
+ psa_cipher_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_bad_key(int alg_arg, int key_type_arg, data_t *key_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t key_type = key_type_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ /* Usage of either of these two size macros would cause divide by zero
+ * with incorrect key types previously. Input length should be irrelevant
+ * here. */
+ TEST_EQUAL(PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, 16),
+ 0);
+ TEST_EQUAL(PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, 16), 0);
+
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Should fail due to invalid alg type (to support invalid key type).
+ * Encrypt or decrypt will end up in the same place. */
+ status = psa_cipher_encrypt_setup(&operation, key, alg);
+
+ TEST_EQUAL(status, PSA_ERROR_INVALID_ARGUMENT);
+
+exit:
+ psa_cipher_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_encrypt_validation(int alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ data_t *input)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t iv_size = PSA_CIPHER_IV_LENGTH(key_type, alg);
+ unsigned char *output1 = NULL;
+ size_t output1_buffer_size = 0;
+ size_t output1_length = 0;
+ unsigned char *output2 = NULL;
+ size_t output2_buffer_size = 0;
+ size_t output2_length = 0;
+ size_t function_output_length = 0;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ output1_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, input->len);
+ output2_buffer_size = PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, input->len) +
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg);
+ TEST_CALLOC(output1, output1_buffer_size);
+ TEST_CALLOC(output2, output2_buffer_size);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* The one-shot cipher encryption uses generated iv so validating
+ the output is not possible. Validating with multipart encryption. */
+ PSA_ASSERT(psa_cipher_encrypt(key, alg, input->x, input->len, output1,
+ output1_buffer_size, &output1_length));
+ TEST_LE_U(output1_length,
+ PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, input->len));
+ TEST_LE_U(output1_length,
+ PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE(input->len));
+
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+ PSA_ASSERT(psa_cipher_set_iv(&operation, output1, iv_size));
+
+ PSA_ASSERT(psa_cipher_update(&operation,
+ input->x, input->len,
+ output2, output2_buffer_size,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, input->len));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(input->len));
+ output2_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_finish(&operation,
+ output2 + output2_length,
+ output2_buffer_size - output2_length,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE);
+ output2_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_abort(&operation));
+ TEST_MEMORY_COMPARE(output1 + iv_size, output1_length - iv_size,
+ output2, output2_length);
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(output1);
+ mbedtls_free(output2);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_encrypt_multipart(int alg_arg, int key_type_arg,
+ data_t *key_data, data_t *iv,
+ data_t *input,
+ int first_part_size_arg,
+ int output1_length_arg, int output2_length_arg,
+ data_t *expected_output,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t status;
+ psa_status_t expected_status = expected_status_arg;
+ size_t first_part_size = first_part_size_arg;
+ size_t output1_length = output1_length_arg;
+ size_t output2_length = output2_length_arg;
+ unsigned char *output = NULL;
+ size_t output_buffer_size = 0;
+ size_t function_output_length = 0;
+ size_t total_output_length = 0;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation, key, alg));
+
+ if (iv->len > 0) {
+ PSA_ASSERT(psa_cipher_set_iv(&operation, iv->x, iv->len));
+ }
+
+ output_buffer_size = PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, input->len) +
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg);
+ TEST_CALLOC(output, output_buffer_size);
+
+ TEST_LE_U(first_part_size, input->len);
+ PSA_ASSERT(psa_cipher_update(&operation, input->x, first_part_size,
+ output, output_buffer_size,
+ &function_output_length));
+ TEST_ASSERT(function_output_length == output1_length);
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(first_part_size));
+ total_output_length += function_output_length;
+
+ if (first_part_size < input->len) {
+ PSA_ASSERT(psa_cipher_update(&operation,
+ input->x + first_part_size,
+ input->len - first_part_size,
+ (output_buffer_size == 0 ? NULL :
+ output + total_output_length),
+ output_buffer_size - total_output_length,
+ &function_output_length));
+ TEST_ASSERT(function_output_length == output2_length);
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type,
+ alg,
+ input->len - first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(input->len));
+ total_output_length += function_output_length;
+ }
+
+ status = psa_cipher_finish(&operation,
+ (output_buffer_size == 0 ? NULL :
+ output + total_output_length),
+ output_buffer_size - total_output_length,
+ &function_output_length);
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE);
+ total_output_length += function_output_length;
+ TEST_EQUAL(status, expected_status);
+
+ if (expected_status == PSA_SUCCESS) {
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ TEST_MEMORY_COMPARE(expected_output->x, expected_output->len,
+ output, total_output_length);
+ }
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(output);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_decrypt_multipart(int alg_arg, int key_type_arg,
+ data_t *key_data, data_t *iv,
+ data_t *input,
+ int first_part_size_arg,
+ int output1_length_arg, int output2_length_arg,
+ data_t *expected_output,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t status;
+ psa_status_t expected_status = expected_status_arg;
+ size_t first_part_size = first_part_size_arg;
+ size_t output1_length = output1_length_arg;
+ size_t output2_length = output2_length_arg;
+ unsigned char *output = NULL;
+ size_t output_buffer_size = 0;
+ size_t function_output_length = 0;
+ size_t total_output_length = 0;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_cipher_decrypt_setup(&operation, key, alg));
+
+ if (iv->len > 0) {
+ PSA_ASSERT(psa_cipher_set_iv(&operation, iv->x, iv->len));
+ }
+
+ output_buffer_size = PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, input->len) +
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg);
+ TEST_CALLOC(output, output_buffer_size);
+
+ TEST_LE_U(first_part_size, input->len);
+ PSA_ASSERT(psa_cipher_update(&operation,
+ input->x, first_part_size,
+ output, output_buffer_size,
+ &function_output_length));
+ TEST_ASSERT(function_output_length == output1_length);
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(first_part_size));
+ total_output_length += function_output_length;
+
+ if (first_part_size < input->len) {
+ PSA_ASSERT(psa_cipher_update(&operation,
+ input->x + first_part_size,
+ input->len - first_part_size,
+ (output_buffer_size == 0 ? NULL :
+ output + total_output_length),
+ output_buffer_size - total_output_length,
+ &function_output_length));
+ TEST_ASSERT(function_output_length == output2_length);
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type,
+ alg,
+ input->len - first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(input->len));
+ total_output_length += function_output_length;
+ }
+
+ status = psa_cipher_finish(&operation,
+ (output_buffer_size == 0 ? NULL :
+ output + total_output_length),
+ output_buffer_size - total_output_length,
+ &function_output_length);
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE);
+ total_output_length += function_output_length;
+ TEST_EQUAL(status, expected_status);
+
+ if (expected_status == PSA_SUCCESS) {
+ PSA_ASSERT(psa_cipher_abort(&operation));
+
+ TEST_MEMORY_COMPARE(expected_output->x, expected_output->len,
+ output, total_output_length);
+ }
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(output);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_decrypt_fail(int alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ data_t *iv,
+ data_t *input_arg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_status_t status;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char *input = NULL;
+ size_t input_buffer_size = 0;
+ unsigned char *output = NULL;
+ unsigned char *output_multi = NULL;
+ size_t output_buffer_size = 0;
+ size_t output_length = 0;
+ size_t function_output_length;
+ psa_cipher_operation_t operation = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ if (PSA_ERROR_BAD_STATE != expected_status) {
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ }
+
+ /* Allocate input buffer and copy the iv and the plaintext */
+ input_buffer_size = ((size_t) input_arg->len + (size_t) iv->len);
+ if (input_buffer_size > 0) {
+ TEST_CALLOC(input, input_buffer_size);
+ memcpy(input, iv->x, iv->len);
+ memcpy(input + iv->len, input_arg->x, input_arg->len);
+ }
+
+ output_buffer_size = PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, input_buffer_size);
+ TEST_CALLOC(output, output_buffer_size);
+
+ /* Decrypt, one-short */
+ status = psa_cipher_decrypt(key, alg, input, input_buffer_size, output,
+ output_buffer_size, &output_length);
+ TEST_EQUAL(status, expected_status);
+
+ /* Decrypt, multi-part */
+ status = psa_cipher_decrypt_setup(&operation, key, alg);
+ if (status == PSA_SUCCESS) {
+ output_buffer_size = PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg,
+ input_arg->len) +
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg);
+ TEST_CALLOC(output_multi, output_buffer_size);
+
+ if (iv->len > 0) {
+ status = psa_cipher_set_iv(&operation, iv->x, iv->len);
+
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_status);
+ }
+ }
+
+ if (status == PSA_SUCCESS) {
+ status = psa_cipher_update(&operation,
+ input_arg->x, input_arg->len,
+ output_multi, output_buffer_size,
+ &function_output_length);
+ if (status == PSA_SUCCESS) {
+ output_length = function_output_length;
+
+ status = psa_cipher_finish(&operation,
+ output_multi + output_length,
+ output_buffer_size - output_length,
+ &function_output_length);
+
+ TEST_EQUAL(status, expected_status);
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+ } else {
+ TEST_EQUAL(status, expected_status);
+ }
+
+exit:
+ psa_cipher_abort(&operation);
+ mbedtls_free(input);
+ mbedtls_free(output);
+ mbedtls_free(output_multi);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_decrypt(int alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ data_t *iv,
+ data_t *input_arg,
+ data_t *expected_output)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ unsigned char *input = NULL;
+ size_t input_buffer_size = 0;
+ unsigned char *output = NULL;
+ size_t output_buffer_size = 0;
+ size_t output_length = 0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ /* Allocate input buffer and copy the iv and the plaintext */
+ input_buffer_size = ((size_t) input_arg->len + (size_t) iv->len);
+ if (input_buffer_size > 0) {
+ TEST_CALLOC(input, input_buffer_size);
+ memcpy(input, iv->x, iv->len);
+ memcpy(input + iv->len, input_arg->x, input_arg->len);
+ }
+
+ output_buffer_size = PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, input_buffer_size);
+ TEST_CALLOC(output, output_buffer_size);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_cipher_decrypt(key, alg, input, input_buffer_size, output,
+ output_buffer_size, &output_length));
+ TEST_LE_U(output_length,
+ PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, input_buffer_size));
+ TEST_LE_U(output_length,
+ PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE(input_buffer_size));
+
+ TEST_MEMORY_COMPARE(expected_output->x, expected_output->len,
+ output, output_length);
+exit:
+ mbedtls_free(input);
+ mbedtls_free(output);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_verify_output(int alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ data_t *input)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ unsigned char *output1 = NULL;
+ size_t output1_size = 0;
+ size_t output1_length = 0;
+ unsigned char *output2 = NULL;
+ size_t output2_size = 0;
+ size_t output2_length = 0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ output1_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, input->len);
+ TEST_CALLOC(output1, output1_size);
+
+ PSA_ASSERT(psa_cipher_encrypt(key, alg, input->x, input->len,
+ output1, output1_size,
+ &output1_length));
+ TEST_LE_U(output1_length,
+ PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, input->len));
+ TEST_LE_U(output1_length,
+ PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE(input->len));
+
+ output2_size = output1_length;
+ TEST_CALLOC(output2, output2_size);
+
+ PSA_ASSERT(psa_cipher_decrypt(key, alg, output1, output1_length,
+ output2, output2_size,
+ &output2_length));
+ TEST_LE_U(output2_length,
+ PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, output1_length));
+ TEST_LE_U(output2_length,
+ PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE(output1_length));
+
+ TEST_MEMORY_COMPARE(input->x, input->len, output2, output2_length);
+
+exit:
+ mbedtls_free(output1);
+ mbedtls_free(output2);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void cipher_verify_output_multipart(int alg_arg,
+ int key_type_arg,
+ data_t *key_data,
+ data_t *input,
+ int first_part_size_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t first_part_size = first_part_size_arg;
+ unsigned char iv[16] = { 0 };
+ size_t iv_size = 16;
+ size_t iv_length = 0;
+ unsigned char *output1 = NULL;
+ size_t output1_buffer_size = 0;
+ size_t output1_length = 0;
+ unsigned char *output2 = NULL;
+ size_t output2_buffer_size = 0;
+ size_t output2_length = 0;
+ size_t function_output_length;
+ psa_cipher_operation_t operation1 = PSA_CIPHER_OPERATION_INIT;
+ psa_cipher_operation_t operation2 = PSA_CIPHER_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_cipher_encrypt_setup(&operation1, key, alg));
+ PSA_ASSERT(psa_cipher_decrypt_setup(&operation2, key, alg));
+
+ if (alg != PSA_ALG_ECB_NO_PADDING) {
+ PSA_ASSERT(psa_cipher_generate_iv(&operation1,
+ iv, iv_size,
+ &iv_length));
+ }
+
+ output1_buffer_size = PSA_CIPHER_ENCRYPT_OUTPUT_SIZE(key_type, alg, input->len);
+ TEST_LE_U(output1_buffer_size,
+ PSA_CIPHER_ENCRYPT_OUTPUT_MAX_SIZE(input->len));
+ TEST_CALLOC(output1, output1_buffer_size);
+
+ TEST_LE_U(first_part_size, input->len);
+
+ PSA_ASSERT(psa_cipher_update(&operation1, input->x, first_part_size,
+ output1, output1_buffer_size,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(first_part_size));
+ output1_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_update(&operation1,
+ input->x + first_part_size,
+ input->len - first_part_size,
+ output1 + output1_length,
+ output1_buffer_size - output1_length,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type,
+ alg,
+ input->len - first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(input->len - first_part_size));
+ output1_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_finish(&operation1,
+ output1 + output1_length,
+ output1_buffer_size - output1_length,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE);
+ output1_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_abort(&operation1));
+
+ output2_buffer_size = output1_length;
+ TEST_LE_U(output2_buffer_size,
+ PSA_CIPHER_DECRYPT_OUTPUT_SIZE(key_type, alg, output1_length));
+ TEST_LE_U(output2_buffer_size,
+ PSA_CIPHER_DECRYPT_OUTPUT_MAX_SIZE(output1_length));
+ TEST_CALLOC(output2, output2_buffer_size);
+
+ if (iv_length > 0) {
+ PSA_ASSERT(psa_cipher_set_iv(&operation2,
+ iv, iv_length));
+ }
+
+ PSA_ASSERT(psa_cipher_update(&operation2, output1, first_part_size,
+ output2, output2_buffer_size,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type, alg, first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(first_part_size));
+ output2_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_update(&operation2,
+ output1 + first_part_size,
+ output1_length - first_part_size,
+ output2 + output2_length,
+ output2_buffer_size - output2_length,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_SIZE(key_type,
+ alg,
+ output1_length - first_part_size));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_UPDATE_OUTPUT_MAX_SIZE(output1_length - first_part_size));
+ output2_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_finish(&operation2,
+ output2 + output2_length,
+ output2_buffer_size - output2_length,
+ &function_output_length));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_SIZE(key_type, alg));
+ TEST_LE_U(function_output_length,
+ PSA_CIPHER_FINISH_OUTPUT_MAX_SIZE);
+ output2_length += function_output_length;
+
+ PSA_ASSERT(psa_cipher_abort(&operation2));
+
+ TEST_MEMORY_COMPARE(input->x, input->len, output2, output2_length);
+
+exit:
+ psa_cipher_abort(&operation1);
+ psa_cipher_abort(&operation2);
+ mbedtls_free(output1);
+ mbedtls_free(output2);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_encrypt_decrypt(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ int expected_result_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *output_data = NULL;
+ size_t output_size = 0;
+ size_t output_length = 0;
+ unsigned char *output_data2 = NULL;
+ size_t output_length2 = 0;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_result = expected_result_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ output_size = input_data->len + PSA_AEAD_TAG_LENGTH(key_type, key_bits,
+ alg);
+ /* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
+ * should be exact. */
+ if (expected_result != PSA_ERROR_INVALID_ARGUMENT &&
+ expected_result != PSA_ERROR_NOT_SUPPORTED) {
+ TEST_EQUAL(output_size,
+ PSA_AEAD_ENCRYPT_OUTPUT_SIZE(key_type, alg, input_data->len));
+ TEST_LE_U(output_size,
+ PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE(input_data->len));
+ }
+ TEST_CALLOC(output_data, output_size);
+
+ status = psa_aead_encrypt(key, alg,
+ nonce->x, nonce->len,
+ additional_data->x,
+ additional_data->len,
+ input_data->x, input_data->len,
+ output_data, output_size,
+ &output_length);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+
+ TEST_EQUAL(status, expected_result);
+
+ if (PSA_SUCCESS == expected_result) {
+ TEST_CALLOC(output_data2, output_length);
+
+ /* For all currently defined algorithms, PSA_AEAD_DECRYPT_OUTPUT_SIZE
+ * should be exact. */
+ TEST_EQUAL(input_data->len,
+ PSA_AEAD_DECRYPT_OUTPUT_SIZE(key_type, alg, output_length));
+
+ TEST_LE_U(input_data->len,
+ PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE(output_length));
+
+ TEST_EQUAL(psa_aead_decrypt(key, alg,
+ nonce->x, nonce->len,
+ additional_data->x,
+ additional_data->len,
+ output_data, output_length,
+ output_data2, output_length,
+ &output_length2),
+ expected_result);
+
+ TEST_MEMORY_COMPARE(input_data->x, input_data->len,
+ output_data2, output_length2);
+ }
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(output_data);
+ mbedtls_free(output_data2);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_encrypt(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ data_t *expected_result)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *output_data = NULL;
+ size_t output_size = 0;
+ size_t output_length = 0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ output_size = input_data->len + PSA_AEAD_TAG_LENGTH(key_type, key_bits,
+ alg);
+ /* For all currently defined algorithms, PSA_AEAD_ENCRYPT_OUTPUT_SIZE
+ * should be exact. */
+ TEST_EQUAL(output_size,
+ PSA_AEAD_ENCRYPT_OUTPUT_SIZE(key_type, alg, input_data->len));
+ TEST_LE_U(output_size,
+ PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE(input_data->len));
+ TEST_CALLOC(output_data, output_size);
+
+ status = psa_aead_encrypt(key, alg,
+ nonce->x, nonce->len,
+ additional_data->x, additional_data->len,
+ input_data->x, input_data->len,
+ output_data, output_size,
+ &output_length);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+
+ PSA_ASSERT(status);
+ TEST_MEMORY_COMPARE(expected_result->x, expected_result->len,
+ output_data, output_length);
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(output_data);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_decrypt(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ data_t *expected_data,
+ int expected_result_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *output_data = NULL;
+ size_t output_size = 0;
+ size_t output_length = 0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t expected_result = expected_result_arg;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ output_size = input_data->len - PSA_AEAD_TAG_LENGTH(key_type, key_bits,
+ alg);
+ if (expected_result != PSA_ERROR_INVALID_ARGUMENT &&
+ expected_result != PSA_ERROR_NOT_SUPPORTED) {
+ /* For all currently defined algorithms, PSA_AEAD_DECRYPT_OUTPUT_SIZE
+ * should be exact. */
+ TEST_EQUAL(output_size,
+ PSA_AEAD_DECRYPT_OUTPUT_SIZE(key_type, alg, input_data->len));
+ TEST_LE_U(output_size,
+ PSA_AEAD_DECRYPT_OUTPUT_MAX_SIZE(input_data->len));
+ }
+ TEST_CALLOC(output_data, output_size);
+
+ status = psa_aead_decrypt(key, alg,
+ nonce->x, nonce->len,
+ additional_data->x,
+ additional_data->len,
+ input_data->x, input_data->len,
+ output_data, output_size,
+ &output_length);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * decryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+
+ TEST_EQUAL(status, expected_result);
+
+ if (expected_result == PSA_SUCCESS) {
+ TEST_MEMORY_COMPARE(expected_data->x, expected_data->len,
+ output_data, output_length);
+ }
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(output_data);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_encrypt(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ int do_set_lengths,
+ data_t *expected_output)
+{
+ size_t ad_part_len = 0;
+ size_t data_part_len = 0;
+ set_lengths_method_t set_lengths_method = DO_NOT_SET_LENGTHS;
+
+ for (ad_part_len = 1; ad_part_len <= additional_data->len; ad_part_len++) {
+ mbedtls_test_set_step(ad_part_len);
+
+ if (do_set_lengths) {
+ if (ad_part_len & 0x01) {
+ set_lengths_method = SET_LENGTHS_AFTER_NONCE;
+ } else {
+ set_lengths_method = SET_LENGTHS_BEFORE_NONCE;
+ }
+ }
+
+ /* Split ad into length(ad_part_len) parts. */
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data,
+ ad_part_len,
+ input_data, -1,
+ set_lengths_method,
+ expected_output,
+ 1, 0)) {
+ break;
+ }
+
+ /* length(0) part, length(ad_part_len) part, length(0) part... */
+ mbedtls_test_set_step(1000 + ad_part_len);
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data,
+ ad_part_len,
+ input_data, -1,
+ set_lengths_method,
+ expected_output,
+ 1, 1)) {
+ break;
+ }
+ }
+
+ for (data_part_len = 1; data_part_len <= input_data->len; data_part_len++) {
+ /* Split data into length(data_part_len) parts. */
+ mbedtls_test_set_step(2000 + data_part_len);
+
+ if (do_set_lengths) {
+ if (data_part_len & 0x01) {
+ set_lengths_method = SET_LENGTHS_AFTER_NONCE;
+ } else {
+ set_lengths_method = SET_LENGTHS_BEFORE_NONCE;
+ }
+ }
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data, -1,
+ input_data, data_part_len,
+ set_lengths_method,
+ expected_output,
+ 1, 0)) {
+ break;
+ }
+
+ /* length(0) part, length(data_part_len) part, length(0) part... */
+ mbedtls_test_set_step(3000 + data_part_len);
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data, -1,
+ input_data, data_part_len,
+ set_lengths_method,
+ expected_output,
+ 1, 1)) {
+ break;
+ }
+ }
+
+ /* Goto is required to silence warnings about unused labels, as we
+ * don't actually do any test assertions in this function. */
+ goto exit;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_decrypt(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ int do_set_lengths,
+ data_t *expected_output)
+{
+ size_t ad_part_len = 0;
+ size_t data_part_len = 0;
+ set_lengths_method_t set_lengths_method = DO_NOT_SET_LENGTHS;
+
+ for (ad_part_len = 1; ad_part_len <= additional_data->len; ad_part_len++) {
+ /* Split ad into length(ad_part_len) parts. */
+ mbedtls_test_set_step(ad_part_len);
+
+ if (do_set_lengths) {
+ if (ad_part_len & 0x01) {
+ set_lengths_method = SET_LENGTHS_AFTER_NONCE;
+ } else {
+ set_lengths_method = SET_LENGTHS_BEFORE_NONCE;
+ }
+ }
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data,
+ ad_part_len,
+ input_data, -1,
+ set_lengths_method,
+ expected_output,
+ 0, 0)) {
+ break;
+ }
+
+ /* length(0) part, length(ad_part_len) part, length(0) part... */
+ mbedtls_test_set_step(1000 + ad_part_len);
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data,
+ ad_part_len,
+ input_data, -1,
+ set_lengths_method,
+ expected_output,
+ 0, 1)) {
+ break;
+ }
+ }
+
+ for (data_part_len = 1; data_part_len <= input_data->len; data_part_len++) {
+ /* Split data into length(data_part_len) parts. */
+ mbedtls_test_set_step(2000 + data_part_len);
+
+ if (do_set_lengths) {
+ if (data_part_len & 0x01) {
+ set_lengths_method = SET_LENGTHS_AFTER_NONCE;
+ } else {
+ set_lengths_method = SET_LENGTHS_BEFORE_NONCE;
+ }
+ }
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data, -1,
+ input_data, data_part_len,
+ set_lengths_method,
+ expected_output,
+ 0, 0)) {
+ break;
+ }
+
+ /* length(0) part, length(data_part_len) part, length(0) part... */
+ mbedtls_test_set_step(3000 + data_part_len);
+
+ if (!aead_multipart_internal_func(key_type_arg, key_data,
+ alg_arg, nonce,
+ additional_data, -1,
+ input_data, data_part_len,
+ set_lengths_method,
+ expected_output,
+ 0, 1)) {
+ break;
+ }
+ }
+
+ /* Goto is required to silence warnings about unused labels, as we
+ * don't actually do any test assertions in this function. */
+ goto exit;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_generate_nonce(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ int nonce_length,
+ int expected_nonce_length_arg,
+ data_t *additional_data,
+ data_t *input_data,
+ int expected_status_arg)
+{
+
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ /* Some tests try to get more than the maximum nonce length,
+ * so allocate double. */
+ uint8_t nonce_buffer[PSA_AEAD_NONCE_MAX_SIZE * 2];
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_status = expected_status_arg;
+ size_t actual_nonce_length = 0;
+ size_t expected_nonce_length = expected_nonce_length_arg;
+ unsigned char *output = NULL;
+ unsigned char *ciphertext = NULL;
+ size_t output_size = 0;
+ size_t ciphertext_size = 0;
+ size_t ciphertext_length = 0;
+ size_t tag_length = 0;
+ uint8_t tag_buffer[PSA_AEAD_TAG_MAX_SIZE];
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+
+ output_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg, input_data->len);
+
+ TEST_CALLOC(output, output_size);
+
+ ciphertext_size = PSA_AEAD_FINISH_OUTPUT_SIZE(key_type, alg);
+
+ TEST_LE_U(ciphertext_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE);
+
+ TEST_CALLOC(ciphertext, ciphertext_size);
+
+ status = psa_aead_encrypt_setup(&operation, key, alg);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce_length);
+ }
+
+ PSA_ASSERT(status);
+
+ status = psa_aead_generate_nonce(&operation, nonce_buffer,
+ nonce_length,
+ &actual_nonce_length);
+
+ TEST_EQUAL(status, expected_status);
+
+ TEST_EQUAL(actual_nonce_length, expected_nonce_length);
+
+ if (expected_status == PSA_SUCCESS) {
+ TEST_EQUAL(actual_nonce_length, PSA_AEAD_NONCE_LENGTH(key_type,
+ alg));
+ }
+
+ TEST_LE_U(actual_nonce_length, PSA_AEAD_NONCE_MAX_SIZE);
+
+ if (expected_status == PSA_SUCCESS) {
+ /* Ensure we can still complete operation. */
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x, input_data->len,
+ output, output_size,
+ &ciphertext_length));
+
+ PSA_ASSERT(psa_aead_finish(&operation, ciphertext, ciphertext_size,
+ &ciphertext_length, tag_buffer,
+ PSA_AEAD_TAG_MAX_SIZE, &tag_length));
+ }
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ mbedtls_free(ciphertext);
+ psa_aead_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_set_nonce(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ int nonce_length_arg,
+ int set_lengths_method_arg,
+ data_t *additional_data,
+ data_t *input_data,
+ int expected_status_arg)
+{
+
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ uint8_t *nonce_buffer = NULL;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char *output = NULL;
+ unsigned char *ciphertext = NULL;
+ size_t nonce_length;
+ size_t output_size = 0;
+ size_t ciphertext_size = 0;
+ size_t ciphertext_length = 0;
+ size_t tag_length = 0;
+ uint8_t tag_buffer[PSA_AEAD_TAG_MAX_SIZE];
+ size_t index = 0;
+ set_lengths_method_t set_lengths_method = set_lengths_method_arg;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+
+ output_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg, input_data->len);
+
+ TEST_CALLOC(output, output_size);
+
+ ciphertext_size = PSA_AEAD_FINISH_OUTPUT_SIZE(key_type, alg);
+
+ TEST_LE_U(ciphertext_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE);
+
+ TEST_CALLOC(ciphertext, ciphertext_size);
+
+ status = psa_aead_encrypt_setup(&operation, key, alg);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce_length_arg);
+ }
+
+ PSA_ASSERT(status);
+
+ /* -1 == zero length and valid buffer, 0 = zero length and NULL buffer. */
+ if (nonce_length_arg == -1) {
+ /* Arbitrary size buffer, to test zero length valid buffer. */
+ TEST_CALLOC(nonce_buffer, 4);
+ nonce_length = 0;
+ } else {
+ /* If length is zero, then this will return NULL. */
+ nonce_length = (size_t) nonce_length_arg;
+ TEST_CALLOC(nonce_buffer, nonce_length);
+
+ if (nonce_buffer) {
+ for (index = 0; index < nonce_length - 1; ++index) {
+ nonce_buffer[index] = 'a' + index;
+ }
+ }
+ }
+
+ if (set_lengths_method == SET_LENGTHS_BEFORE_NONCE) {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+ }
+
+ status = psa_aead_set_nonce(&operation, nonce_buffer, nonce_length);
+
+ TEST_EQUAL(status, expected_status);
+
+ if (expected_status == PSA_SUCCESS) {
+ if (set_lengths_method == SET_LENGTHS_AFTER_NONCE) {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+ }
+ if (operation.alg == PSA_ALG_CCM && set_lengths_method == DO_NOT_SET_LENGTHS) {
+ expected_status = PSA_ERROR_BAD_STATE;
+ }
+
+ /* Ensure we can still complete operation, unless it's CCM and we didn't set lengths. */
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ expected_status);
+
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x, input_data->len,
+ output, output_size,
+ &ciphertext_length),
+ expected_status);
+
+ TEST_EQUAL(psa_aead_finish(&operation, ciphertext, ciphertext_size,
+ &ciphertext_length, tag_buffer,
+ PSA_AEAD_TAG_MAX_SIZE, &tag_length),
+ expected_status);
+ }
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ mbedtls_free(ciphertext);
+ mbedtls_free(nonce_buffer);
+ psa_aead_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_update_buffer_test(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ int output_size_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ int expected_status_arg)
+{
+
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char *output = NULL;
+ unsigned char *ciphertext = NULL;
+ size_t output_size = output_size_arg;
+ size_t ciphertext_size = 0;
+ size_t ciphertext_length = 0;
+ size_t tag_length = 0;
+ uint8_t tag_buffer[PSA_AEAD_TAG_MAX_SIZE];
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+
+ TEST_CALLOC(output, output_size);
+
+ ciphertext_size = PSA_AEAD_FINISH_OUTPUT_SIZE(key_type, alg);
+
+ TEST_CALLOC(ciphertext, ciphertext_size);
+
+ status = psa_aead_encrypt_setup(&operation, key, alg);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+
+ PSA_ASSERT(status);
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ status = psa_aead_update(&operation, input_data->x, input_data->len,
+ output, output_size, &ciphertext_length);
+
+ TEST_EQUAL(status, expected_status);
+
+ if (expected_status == PSA_SUCCESS) {
+ /* Ensure we can still complete operation. */
+ PSA_ASSERT(psa_aead_finish(&operation, ciphertext, ciphertext_size,
+ &ciphertext_length, tag_buffer,
+ PSA_AEAD_TAG_MAX_SIZE, &tag_length));
+ }
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ mbedtls_free(ciphertext);
+ psa_aead_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_finish_buffer_test(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ int finish_ciphertext_size_arg,
+ int tag_size_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ int expected_status_arg)
+{
+
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char *ciphertext = NULL;
+ unsigned char *finish_ciphertext = NULL;
+ unsigned char *tag_buffer = NULL;
+ size_t ciphertext_size = 0;
+ size_t ciphertext_length = 0;
+ size_t finish_ciphertext_size = (size_t) finish_ciphertext_size_arg;
+ size_t tag_size = (size_t) tag_size_arg;
+ size_t tag_length = 0;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+
+ ciphertext_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg, input_data->len);
+
+ TEST_CALLOC(ciphertext, ciphertext_size);
+
+ TEST_CALLOC(finish_ciphertext, finish_ciphertext_size);
+
+ TEST_CALLOC(tag_buffer, tag_size);
+
+ status = psa_aead_encrypt_setup(&operation, key, alg);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+
+ PSA_ASSERT(status);
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x, input_data->len,
+ ciphertext, ciphertext_size, &ciphertext_length));
+
+ /* Ensure we can still complete operation. */
+ status = psa_aead_finish(&operation, finish_ciphertext,
+ finish_ciphertext_size,
+ &ciphertext_length, tag_buffer,
+ tag_size, &tag_length);
+
+ TEST_EQUAL(status, expected_status);
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(ciphertext);
+ mbedtls_free(finish_ciphertext);
+ mbedtls_free(tag_buffer);
+ psa_aead_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_verify(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data,
+ data_t *tag,
+ int tag_usage_arg,
+ int expected_setup_status_arg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_status = expected_status_arg;
+ psa_status_t expected_setup_status = expected_setup_status_arg;
+ unsigned char *plaintext = NULL;
+ unsigned char *finish_plaintext = NULL;
+ size_t plaintext_size = 0;
+ size_t plaintext_length = 0;
+ size_t verify_plaintext_size = 0;
+ tag_usage_method_t tag_usage = tag_usage_arg;
+ unsigned char *tag_buffer = NULL;
+ size_t tag_size = 0;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+
+ plaintext_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg,
+ input_data->len);
+
+ TEST_CALLOC(plaintext, plaintext_size);
+
+ verify_plaintext_size = PSA_AEAD_VERIFY_OUTPUT_SIZE(key_type, alg);
+
+ TEST_CALLOC(finish_plaintext, verify_plaintext_size);
+
+ status = psa_aead_decrypt_setup(&operation, key, alg);
+
+ /* If the operation is not supported, just skip and not fail in case the
+ * encryption involves a common limitation of cryptography hardwares and
+ * an alternative implementation. */
+ if (status == PSA_ERROR_NOT_SUPPORTED) {
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_AES_192(key_type, key_data->len * 8);
+ MBEDTLS_TEST_PSA_SKIP_IF_ALT_GCM_NOT_12BYTES_NONCE(alg, nonce->len);
+ }
+ TEST_EQUAL(status, expected_setup_status);
+
+ if (status != PSA_SUCCESS) {
+ goto exit;
+ }
+
+ PSA_ASSERT(status);
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ status = psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len);
+ PSA_ASSERT(status);
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x,
+ input_data->len,
+ plaintext, plaintext_size,
+ &plaintext_length));
+
+ if (tag_usage == USE_GIVEN_TAG) {
+ tag_buffer = tag->x;
+ tag_size = tag->len;
+ }
+
+ status = psa_aead_verify(&operation, finish_plaintext,
+ verify_plaintext_size,
+ &plaintext_length,
+ tag_buffer, tag_size);
+
+ TEST_EQUAL(status, expected_status);
+
+exit:
+ psa_destroy_key(key);
+ mbedtls_free(plaintext);
+ mbedtls_free(finish_plaintext);
+ psa_aead_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_setup(int key_type_arg, data_t *key_data,
+ int alg_arg, int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_ERROR_GENERIC_ERROR;
+ psa_status_t expected_status = expected_status_arg;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes,
+ PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ status = psa_aead_encrypt_setup(&operation, key, alg);
+
+ TEST_EQUAL(status, expected_status);
+
+ psa_aead_abort(&operation);
+
+ status = psa_aead_decrypt_setup(&operation, key, alg);
+
+ TEST_EQUAL(status, expected_status);
+
+exit:
+ psa_destroy_key(key);
+ psa_aead_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void aead_multipart_state_test(int key_type_arg, data_t *key_data,
+ int alg_arg,
+ data_t *nonce,
+ data_t *additional_data,
+ data_t *input_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_aead_operation_t operation = PSA_AEAD_OPERATION_INIT;
+ unsigned char *output_data = NULL;
+ unsigned char *final_data = NULL;
+ size_t output_size = 0;
+ size_t finish_output_size = 0;
+ size_t output_length = 0;
+ size_t key_bits = 0;
+ size_t tag_length = 0;
+ size_t tag_size = 0;
+ size_t nonce_length = 0;
+ uint8_t nonce_buffer[PSA_AEAD_NONCE_MAX_SIZE];
+ uint8_t tag_buffer[PSA_AEAD_TAG_MAX_SIZE];
+ size_t output_part_length = 0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes,
+ PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ tag_length = PSA_AEAD_TAG_LENGTH(key_type, key_bits, alg);
+
+ TEST_LE_U(tag_length, PSA_AEAD_TAG_MAX_SIZE);
+
+ output_size = PSA_AEAD_UPDATE_OUTPUT_SIZE(key_type, alg, input_data->len);
+
+ TEST_CALLOC(output_data, output_size);
+
+ finish_output_size = PSA_AEAD_FINISH_OUTPUT_SIZE(key_type, alg);
+
+ TEST_LE_U(finish_output_size, PSA_AEAD_FINISH_OUTPUT_MAX_SIZE);
+
+ TEST_CALLOC(final_data, finish_output_size);
+
+ /* Test all operations error without calling setup first. */
+
+ TEST_EQUAL(psa_aead_set_nonce(&operation, nonce->x, nonce->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ TEST_EQUAL(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ TEST_EQUAL(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ TEST_EQUAL(psa_aead_verify(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer,
+ tag_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for double setups. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_encrypt_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_decrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_decrypt_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_decrypt_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_decrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_encrypt_setup(&operation, key, alg),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for not setting a nonce. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_decrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_verify(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer,
+ tag_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for double setting nonce. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ TEST_EQUAL(psa_aead_set_nonce(&operation, nonce->x, nonce->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for double generating nonce. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+
+ TEST_EQUAL(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length),
+ PSA_ERROR_BAD_STATE);
+
+
+ psa_aead_abort(&operation);
+
+ /* Test for generate nonce then set and vice versa */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+
+ TEST_EQUAL(psa_aead_set_nonce(&operation, nonce->x, nonce->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for generating nonce after calling set lengths */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+
+ psa_aead_abort(&operation);
+
+ /* Test for generating nonce after calling set lengths with UINT32_MAX ad_data length */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ if (operation.alg == PSA_ALG_CCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ TEST_EQUAL(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length),
+ PSA_ERROR_BAD_STATE);
+ } else {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len));
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+ }
+
+ psa_aead_abort(&operation);
+
+ /* Test for generating nonce after calling set lengths with SIZE_MAX ad_data length */
+#if SIZE_MAX > UINT32_MAX
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ if (operation.alg == PSA_ALG_CCM || operation.alg == PSA_ALG_GCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, SIZE_MAX,
+ input_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ TEST_EQUAL(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length),
+ PSA_ERROR_BAD_STATE);
+ } else {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, SIZE_MAX,
+ input_data->len));
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+ }
+
+ psa_aead_abort(&operation);
+#endif
+
+ /* Test for calling set lengths with a UINT32_MAX ad_data length, after generating nonce */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+
+ if (operation.alg == PSA_ALG_CCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ } else {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len));
+ }
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+ /* Test for setting nonce after calling set lengths */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ psa_aead_abort(&operation);
+
+ /* Test for setting nonce after calling set lengths with UINT32_MAX ad_data length */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ if (operation.alg == PSA_ALG_CCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ TEST_EQUAL(psa_aead_set_nonce(&operation, nonce->x, nonce->len),
+ PSA_ERROR_BAD_STATE);
+ } else {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len));
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+ }
+
+ psa_aead_abort(&operation);
+
+ /* Test for setting nonce after calling set lengths with SIZE_MAX ad_data length */
+#if SIZE_MAX > UINT32_MAX
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ if (operation.alg == PSA_ALG_CCM || operation.alg == PSA_ALG_GCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, SIZE_MAX,
+ input_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ TEST_EQUAL(psa_aead_set_nonce(&operation, nonce->x, nonce->len),
+ PSA_ERROR_BAD_STATE);
+ } else {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, SIZE_MAX,
+ input_data->len));
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+ }
+
+ psa_aead_abort(&operation);
+#endif
+
+ /* Test for calling set lengths with an ad_data length of UINT32_MAX, after setting nonce */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ if (operation.alg == PSA_ALG_CCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ } else {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, UINT32_MAX,
+ input_data->len));
+ }
+
+ psa_aead_abort(&operation);
+
+ /* Test for setting nonce after calling set lengths with plaintext length of SIZE_MAX */
+#if SIZE_MAX > UINT32_MAX
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ if (operation.alg == PSA_ALG_GCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ SIZE_MAX),
+ PSA_ERROR_INVALID_ARGUMENT);
+ TEST_EQUAL(psa_aead_set_nonce(&operation, nonce->x, nonce->len),
+ PSA_ERROR_BAD_STATE);
+ } else if (operation.alg != PSA_ALG_CCM) {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ SIZE_MAX));
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+ }
+
+ psa_aead_abort(&operation);
+#endif
+
+ /* Test for calling set lengths with a plaintext length of SIZE_MAX, after setting nonce */
+#if SIZE_MAX > UINT32_MAX
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ if (operation.alg == PSA_ALG_GCM) {
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ SIZE_MAX),
+ PSA_ERROR_INVALID_ARGUMENT);
+ } else if (operation.alg != PSA_ALG_CCM) {
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ SIZE_MAX));
+ }
+
+ psa_aead_abort(&operation);
+#endif
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ TEST_EQUAL(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for generating nonce in decrypt setup. */
+
+ PSA_ASSERT(psa_aead_decrypt_setup(&operation, key, alg));
+
+ TEST_EQUAL(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for setting lengths twice. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test for setting lengths after setting nonce + already starting data. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ if (operation.alg == PSA_ALG_CCM) {
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ PSA_ERROR_BAD_STATE);
+ } else {
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ if (operation.alg == PSA_ALG_CCM) {
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length),
+ PSA_ERROR_BAD_STATE);
+
+ } else {
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ if (operation.alg == PSA_ALG_CCM) {
+ PSA_ASSERT(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size));
+ } else {
+ PSA_ASSERT(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* Test for setting lengths after generating nonce + already starting data. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+ if (operation.alg == PSA_ALG_CCM) {
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ PSA_ERROR_BAD_STATE);
+ } else {
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+ if (operation.alg == PSA_ALG_CCM) {
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length),
+ PSA_ERROR_BAD_STATE);
+
+ } else {
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_generate_nonce(&operation, nonce_buffer,
+ PSA_AEAD_NONCE_MAX_SIZE,
+ &nonce_length));
+ if (operation.alg == PSA_ALG_CCM) {
+ PSA_ASSERT(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size));
+ } else {
+ PSA_ASSERT(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size));
+
+ TEST_EQUAL(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* Test for not sending any additional data or data after setting non zero
+ * lengths for them. (encrypt) */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ TEST_EQUAL(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* Test for not sending any additional data or data after setting non-zero
+ * lengths for them. (decrypt) */
+
+ PSA_ASSERT(psa_aead_decrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ TEST_EQUAL(psa_aead_verify(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer,
+ tag_length),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* Test for not sending any additional data after setting a non-zero length
+ * for it. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* Test for not sending any data after setting a non-zero length for it.*/
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ TEST_EQUAL(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* Test for sending too much additional data after setting lengths. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, 0, 0));
+
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ 1),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* Test for sending too much data after setting lengths. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, 0, 0));
+
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* ------------------------------------------------------- */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ PSA_ASSERT(psa_aead_set_lengths(&operation, additional_data->len,
+ input_data->len));
+
+ PSA_ASSERT(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len));
+
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length));
+
+ TEST_EQUAL(psa_aead_update(&operation, input_data->x,
+ 1, output_data,
+ output_size, &output_length),
+ PSA_ERROR_INVALID_ARGUMENT);
+
+ psa_aead_abort(&operation);
+
+ /* Test sending additional data after data. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ if (operation.alg != PSA_ALG_CCM) {
+ PSA_ASSERT(psa_aead_update(&operation, input_data->x,
+ input_data->len, output_data,
+ output_size, &output_length));
+
+ TEST_EQUAL(psa_aead_update_ad(&operation, additional_data->x,
+ additional_data->len),
+ PSA_ERROR_BAD_STATE);
+ }
+ psa_aead_abort(&operation);
+
+ /* Test calling finish on decryption. */
+
+ PSA_ASSERT(psa_aead_decrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ TEST_EQUAL(psa_aead_finish(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer, tag_length,
+ &tag_size),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+ /* Test calling verify on encryption. */
+
+ PSA_ASSERT(psa_aead_encrypt_setup(&operation, key, alg));
+
+ PSA_ASSERT(psa_aead_set_nonce(&operation, nonce->x, nonce->len));
+
+ TEST_EQUAL(psa_aead_verify(&operation, final_data,
+ finish_output_size,
+ &output_part_length,
+ tag_buffer,
+ tag_length),
+ PSA_ERROR_BAD_STATE);
+
+ psa_aead_abort(&operation);
+
+
+exit:
+ psa_destroy_key(key);
+ psa_aead_abort(&operation);
+ mbedtls_free(output_data);
+ mbedtls_free(final_data);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void signature_size(int type_arg,
+ int bits,
+ int alg_arg,
+ int expected_size_arg)
+{
+ psa_key_type_t type = type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t actual_size = PSA_SIGN_OUTPUT_SIZE(type, bits, alg);
+
+ TEST_EQUAL(actual_size, (size_t) expected_size_arg);
+
+exit:
+ ;
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void sign_hash_deterministic(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *input_data,
+ data_t *output_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+ key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ /* Perform the signature. */
+ PSA_ASSERT(psa_sign_hash(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size,
+ &signature_length));
+ /* Verify that the signature is what is expected. */
+ TEST_MEMORY_COMPARE(output_data->x, output_data->len,
+ signature, signature_length);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * sign_hash_interruptible() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test interruptible sign hash with known outcomes (deterministic ECDSA
+ * and private keys / keypairs only).
+ *
+ * 2. Test the number of calls to psa_sign_hash_complete() required are as
+ * expected for different max_ops values.
+ *
+ * 3. Test that the number of ops done prior to start and after abort is zero
+ * and that each successful stage completes some ops (this is not mandated by
+ * the PSA specification, but is currently the case).
+ *
+ * 4. Test that calling psa_sign_hash_get_num_ops() multiple times between
+ * complete() calls does not alter the number of ops returned.
+ */
+void sign_hash_interruptible(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *input_data,
+ data_t *output_data, int max_ops_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_OPERATION_INCOMPLETE;
+ uint32_t num_ops = 0;
+ uint32_t max_ops = max_ops_arg;
+ size_t num_ops_prior = 0;
+ size_t num_completes = 0;
+ size_t min_completes = 0;
+ size_t max_completes = 0;
+
+ psa_sign_hash_interruptible_operation_t operation =
+ psa_sign_hash_interruptible_operation_init();
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+ key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ psa_interruptible_set_max_ops(max_ops);
+
+ interruptible_signverify_get_minmax_completes(max_ops, PSA_SUCCESS,
+ &min_completes, &max_completes);
+
+ num_ops_prior = psa_sign_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Start performing the signature. */
+ PSA_ASSERT(psa_sign_hash_start(&operation, key, alg,
+ input_data->x, input_data->len));
+
+ num_ops_prior = psa_sign_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_sign_hash_complete(&operation, signature, signature_size,
+ &signature_length);
+
+ num_completes++;
+
+ if (status == PSA_SUCCESS || status == PSA_OPERATION_INCOMPLETE) {
+ num_ops = psa_sign_hash_get_num_ops(&operation);
+ /* We are asserting here that every complete makes progress
+ * (completes some ops), which is true of the internal
+ * implementation and probably any implementation, however this is
+ * not mandated by the PSA specification. */
+ TEST_ASSERT(num_ops > num_ops_prior);
+
+ num_ops_prior = num_ops;
+
+ /* Ensure calling get_num_ops() twice still returns the same
+ * number of ops as previously reported. */
+ num_ops = psa_sign_hash_get_num_ops(&operation);
+
+ TEST_EQUAL(num_ops, num_ops_prior);
+ }
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_ASSERT(status == PSA_SUCCESS);
+
+ TEST_LE_U(min_completes, num_completes);
+ TEST_LE_U(num_completes, max_completes);
+
+ /* Verify that the signature is what is expected. */
+ TEST_MEMORY_COMPARE(output_data->x, output_data->len,
+ signature, signature_length);
+
+ PSA_ASSERT(psa_sign_hash_abort(&operation));
+
+ num_ops = psa_sign_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops == 0);
+
+exit:
+
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void sign_hash_fail(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *input_data,
+ int signature_size_arg, int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t signature_size = signature_size_arg;
+ psa_status_t actual_status;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char *signature = NULL;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ TEST_CALLOC(signature, signature_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ actual_status = psa_sign_hash(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size,
+ &signature_length);
+ TEST_EQUAL(actual_status, expected_status);
+ /* The value of *signature_length is unspecified on error, but
+ * whatever it is, it should be less than signature_size, so that
+ * if the caller tries to read *signature_length bytes without
+ * checking the error code then they don't overflow a buffer. */
+ TEST_LE_U(signature_length, signature_size);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * sign_hash_fail_interruptible() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test that various failure cases for interruptible sign hash fail with the
+ * correct error codes, and at the correct point (at start or during
+ * complete).
+ *
+ * 2. Test the number of calls to psa_sign_hash_complete() required are as
+ * expected for different max_ops values.
+ *
+ * 3. Test that the number of ops done prior to start and after abort is zero
+ * and that each successful stage completes some ops (this is not mandated by
+ * the PSA specification, but is currently the case).
+ *
+ * 4. Check that calling complete() when start() fails and complete()
+ * after completion results in a BAD_STATE error.
+ *
+ * 5. Check that calling start() again after start fails results in a BAD_STATE
+ * error.
+ */
+void sign_hash_fail_interruptible(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *input_data,
+ int signature_size_arg,
+ int expected_start_status_arg,
+ int expected_complete_status_arg,
+ int max_ops_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t signature_size = signature_size_arg;
+ psa_status_t actual_status;
+ psa_status_t expected_start_status = expected_start_status_arg;
+ psa_status_t expected_complete_status = expected_complete_status_arg;
+ unsigned char *signature = NULL;
+ size_t signature_length = 0xdeadbeef;
+ uint32_t num_ops = 0;
+ uint32_t max_ops = max_ops_arg;
+ size_t num_ops_prior = 0;
+ size_t num_completes = 0;
+ size_t min_completes = 0;
+ size_t max_completes = 0;
+
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_sign_hash_interruptible_operation_t operation =
+ psa_sign_hash_interruptible_operation_init();
+
+ TEST_CALLOC(signature, signature_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ psa_interruptible_set_max_ops(max_ops);
+
+ interruptible_signverify_get_minmax_completes(max_ops,
+ expected_complete_status,
+ &min_completes,
+ &max_completes);
+
+ num_ops_prior = psa_sign_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Start performing the signature. */
+ actual_status = psa_sign_hash_start(&operation, key, alg,
+ input_data->x, input_data->len);
+
+ TEST_EQUAL(actual_status, expected_start_status);
+
+ if (expected_start_status != PSA_SUCCESS) {
+ /* Emulate poor application code, and call complete anyway, even though
+ * start failed. */
+ actual_status = psa_sign_hash_complete(&operation, signature,
+ signature_size,
+ &signature_length);
+
+ TEST_EQUAL(actual_status, PSA_ERROR_BAD_STATE);
+
+ /* Test that calling start again after failure also causes BAD_STATE. */
+ actual_status = psa_sign_hash_start(&operation, key, alg,
+ input_data->x, input_data->len);
+
+ TEST_EQUAL(actual_status, PSA_ERROR_BAD_STATE);
+ }
+
+ num_ops_prior = psa_sign_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Continue performing the signature until complete. */
+ do {
+ actual_status = psa_sign_hash_complete(&operation, signature,
+ signature_size,
+ &signature_length);
+
+ num_completes++;
+
+ if (actual_status == PSA_SUCCESS ||
+ actual_status == PSA_OPERATION_INCOMPLETE) {
+ num_ops = psa_sign_hash_get_num_ops(&operation);
+ /* We are asserting here that every complete makes progress
+ * (completes some ops), which is true of the internal
+ * implementation and probably any implementation, however this is
+ * not mandated by the PSA specification. */
+ TEST_ASSERT(num_ops > num_ops_prior);
+
+ num_ops_prior = num_ops;
+ }
+ } while (actual_status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_EQUAL(actual_status, expected_complete_status);
+
+ /* Check that another complete returns BAD_STATE. */
+ actual_status = psa_sign_hash_complete(&operation, signature,
+ signature_size,
+ &signature_length);
+
+ TEST_EQUAL(actual_status, PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_sign_hash_abort(&operation));
+
+ num_ops = psa_sign_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops == 0);
+
+ /* The value of *signature_length is unspecified on error, but
+ * whatever it is, it should be less than signature_size, so that
+ * if the caller tries to read *signature_length bytes without
+ * checking the error code then they don't overflow a buffer. */
+ TEST_LE_U(signature_length, signature_size);
+
+ TEST_LE_U(min_completes, num_completes);
+ TEST_LE_U(num_completes, max_completes);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void sign_verify_hash(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *input_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH | PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+ key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ /* Perform the signature. */
+ PSA_ASSERT(psa_sign_hash(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size,
+ &signature_length));
+ /* Check that the signature length looks sensible. */
+ TEST_LE_U(signature_length, signature_size);
+ TEST_ASSERT(signature_length > 0);
+
+ /* Use the library to verify that the signature is correct. */
+ PSA_ASSERT(psa_verify_hash(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ if (input_data->len != 0) {
+ /* Flip a bit in the input and verify that the signature is now
+ * detected as invalid. Flip a bit at the beginning, not at the end,
+ * because ECDSA may ignore the last few bits of the input. */
+ input_data->x[0] ^= 1;
+ TEST_EQUAL(psa_verify_hash(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length),
+ PSA_ERROR_INVALID_SIGNATURE);
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * sign_verify_hash_interruptible() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test that we can sign an input hash with the given keypair and then
+ * afterwards verify that signature. This is currently the only way to test
+ * non deterministic ECDSA, but this test can also handle deterministic.
+ *
+ * 2. Test that after corrupting the hash, the verification detects an invalid
+ * signature.
+ *
+ * 3. Test the number of calls to psa_sign_hash_complete() required are as
+ * expected for different max_ops values.
+ *
+ * 4. Test that the number of ops done prior to starting signing and after abort
+ * is zero and that each successful signing stage completes some ops (this is
+ * not mandated by the PSA specification, but is currently the case).
+ */
+void sign_verify_hash_interruptible(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *input_data,
+ int max_ops_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_OPERATION_INCOMPLETE;
+ uint32_t max_ops = max_ops_arg;
+ uint32_t num_ops = 0;
+ uint32_t num_ops_prior = 0;
+ size_t num_completes = 0;
+ size_t min_completes = 0;
+ size_t max_completes = 0;
+
+ psa_sign_hash_interruptible_operation_t sign_operation =
+ psa_sign_hash_interruptible_operation_init();
+ psa_verify_hash_interruptible_operation_t verify_operation =
+ psa_verify_hash_interruptible_operation_init();
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH |
+ PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+ key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ psa_interruptible_set_max_ops(max_ops);
+
+ interruptible_signverify_get_minmax_completes(max_ops, PSA_SUCCESS,
+ &min_completes, &max_completes);
+
+ num_ops_prior = psa_sign_hash_get_num_ops(&sign_operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Start performing the signature. */
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ num_ops_prior = psa_sign_hash_get_num_ops(&sign_operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Continue performing the signature until complete. */
+ do {
+
+ status = psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length);
+
+ num_completes++;
+
+ if (status == PSA_SUCCESS || status == PSA_OPERATION_INCOMPLETE) {
+ num_ops = psa_sign_hash_get_num_ops(&sign_operation);
+ /* We are asserting here that every complete makes progress
+ * (completes some ops), which is true of the internal
+ * implementation and probably any implementation, however this is
+ * not mandated by the PSA specification. */
+ TEST_ASSERT(num_ops > num_ops_prior);
+
+ num_ops_prior = num_ops;
+ }
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_ASSERT(status == PSA_SUCCESS);
+
+ TEST_LE_U(min_completes, num_completes);
+ TEST_LE_U(num_completes, max_completes);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ num_ops = psa_sign_hash_get_num_ops(&sign_operation);
+ TEST_ASSERT(num_ops == 0);
+
+ /* Check that the signature length looks sensible. */
+ TEST_LE_U(signature_length, signature_size);
+ TEST_ASSERT(signature_length > 0);
+
+ num_completes = 0;
+
+ /* Start verification. */
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_verify_hash_complete(&verify_operation);
+
+ num_completes++;
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_ASSERT(status == PSA_SUCCESS);
+
+ TEST_LE_U(min_completes, num_completes);
+ TEST_LE_U(num_completes, max_completes);
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ verify_operation = psa_verify_hash_interruptible_operation_init();
+
+ if (input_data->len != 0) {
+ /* Flip a bit in the input and verify that the signature is now
+ * detected as invalid. Flip a bit at the beginning, not at the end,
+ * because ECDSA may ignore the last few bits of the input. */
+ input_data->x[0] ^= 1;
+
+ /* Start verification. */
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_verify_hash_complete(&verify_operation);
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_ASSERT(status == PSA_ERROR_INVALID_SIGNATURE);
+ }
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void verify_hash(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *hash_data,
+ data_t *signature_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ TEST_LE_U(signature_data->len, PSA_SIGNATURE_MAX_SIZE);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_verify_hash(key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x, signature_data->len));
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * verify_hash_interruptible() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test interruptible verify hash with known outcomes (deterministic ECDSA
+ * only). Given this test only does verification it can accept public keys as
+ * well as private keys / keypairs.
+ *
+ * 2. Test the number of calls to psa_verify_hash_complete() required are as
+ * expected for different max_ops values.
+ *
+ * 3. Test that the number of ops done prior to start and after abort is zero
+ * and that each successful stage completes some ops (this is not mandated by
+ * the PSA specification, but is currently the case).
+ *
+ * 4. Test that calling psa_sign_hash_get_num_ops() multiple times between
+ * complete() calls does not alter the number of ops returned.
+ *
+ * 5. Test that after corrupting the hash, the verification detects an invalid
+ * signature.
+ */
+void verify_hash_interruptible(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *hash_data,
+ data_t *signature_data, int max_ops_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t status = PSA_OPERATION_INCOMPLETE;
+ uint32_t num_ops = 0;
+ uint32_t max_ops = max_ops_arg;
+ size_t num_ops_prior = 0;
+ size_t num_completes = 0;
+ size_t min_completes = 0;
+ size_t max_completes = 0;
+
+ psa_verify_hash_interruptible_operation_t operation =
+ psa_verify_hash_interruptible_operation_init();
+
+ TEST_LE_U(signature_data->len, PSA_SIGNATURE_MAX_SIZE);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ psa_interruptible_set_max_ops(max_ops);
+
+ interruptible_signverify_get_minmax_completes(max_ops, PSA_SUCCESS,
+ &min_completes, &max_completes);
+
+ num_ops_prior = psa_verify_hash_get_num_ops(&operation);
+
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Start verification. */
+ PSA_ASSERT(psa_verify_hash_start(&operation, key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x, signature_data->len)
+ );
+
+ num_ops_prior = psa_verify_hash_get_num_ops(&operation);
+
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_verify_hash_complete(&operation);
+
+ num_completes++;
+
+ if (status == PSA_SUCCESS || status == PSA_OPERATION_INCOMPLETE) {
+ num_ops = psa_verify_hash_get_num_ops(&operation);
+ /* We are asserting here that every complete makes progress
+ * (completes some ops), which is true of the internal
+ * implementation and probably any implementation, however this is
+ * not mandated by the PSA specification. */
+ TEST_ASSERT(num_ops > num_ops_prior);
+
+ num_ops_prior = num_ops;
+
+ /* Ensure calling get_num_ops() twice still returns the same
+ * number of ops as previously reported. */
+ num_ops = psa_verify_hash_get_num_ops(&operation);
+
+ TEST_EQUAL(num_ops, num_ops_prior);
+ }
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_ASSERT(status == PSA_SUCCESS);
+
+ TEST_LE_U(min_completes, num_completes);
+ TEST_LE_U(num_completes, max_completes);
+
+ PSA_ASSERT(psa_verify_hash_abort(&operation));
+
+ num_ops = psa_verify_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops == 0);
+
+ if (hash_data->len != 0) {
+ /* Flip a bit in the hash and verify that the signature is now detected
+ * as invalid. Flip a bit at the beginning, not at the end, because
+ * ECDSA may ignore the last few bits of the input. */
+ hash_data->x[0] ^= 1;
+
+ /* Start verification. */
+ PSA_ASSERT(psa_verify_hash_start(&operation, key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x, signature_data->len));
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_verify_hash_complete(&operation);
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_ASSERT(status == PSA_ERROR_INVALID_SIGNATURE);
+ }
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void verify_hash_fail(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *hash_data,
+ data_t *signature_data,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t actual_status;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ actual_status = psa_verify_hash(key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x, signature_data->len);
+ TEST_EQUAL(actual_status, expected_status);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * verify_hash_fail_interruptible() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test that various failure cases for interruptible verify hash fail with
+ * the correct error codes, and at the correct point (at start or during
+ * complete).
+ *
+ * 2. Test the number of calls to psa_verify_hash_complete() required are as
+ * expected for different max_ops values.
+ *
+ * 3. Test that the number of ops done prior to start and after abort is zero
+ * and that each successful stage completes some ops (this is not mandated by
+ * the PSA specification, but is currently the case).
+ *
+ * 4. Check that calling complete() when start() fails and complete()
+ * after completion results in a BAD_STATE error.
+ *
+ * 5. Check that calling start() again after start fails results in a BAD_STATE
+ * error.
+ */
+void verify_hash_fail_interruptible(int key_type_arg, data_t *key_data,
+ int alg_arg, data_t *hash_data,
+ data_t *signature_data,
+ int expected_start_status_arg,
+ int expected_complete_status_arg,
+ int max_ops_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t actual_status;
+ psa_status_t expected_start_status = expected_start_status_arg;
+ psa_status_t expected_complete_status = expected_complete_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ uint32_t num_ops = 0;
+ uint32_t max_ops = max_ops_arg;
+ size_t num_ops_prior = 0;
+ size_t num_completes = 0;
+ size_t min_completes = 0;
+ size_t max_completes = 0;
+ psa_verify_hash_interruptible_operation_t operation =
+ psa_verify_hash_interruptible_operation_init();
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ psa_interruptible_set_max_ops(max_ops);
+
+ interruptible_signverify_get_minmax_completes(max_ops,
+ expected_complete_status,
+ &min_completes,
+ &max_completes);
+
+ num_ops_prior = psa_verify_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Start verification. */
+ actual_status = psa_verify_hash_start(&operation, key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x,
+ signature_data->len);
+
+ TEST_EQUAL(actual_status, expected_start_status);
+
+ if (expected_start_status != PSA_SUCCESS) {
+ /* Emulate poor application code, and call complete anyway, even though
+ * start failed. */
+ actual_status = psa_verify_hash_complete(&operation);
+
+ TEST_EQUAL(actual_status, PSA_ERROR_BAD_STATE);
+
+ /* Test that calling start again after failure also causes BAD_STATE. */
+ actual_status = psa_verify_hash_start(&operation, key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x,
+ signature_data->len);
+
+ TEST_EQUAL(actual_status, PSA_ERROR_BAD_STATE);
+ }
+
+ num_ops_prior = psa_verify_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops_prior == 0);
+
+ /* Continue performing the signature until complete. */
+ do {
+ actual_status = psa_verify_hash_complete(&operation);
+
+ num_completes++;
+
+ if (actual_status == PSA_SUCCESS ||
+ actual_status == PSA_OPERATION_INCOMPLETE) {
+ num_ops = psa_verify_hash_get_num_ops(&operation);
+ /* We are asserting here that every complete makes progress
+ * (completes some ops), which is true of the internal
+ * implementation and probably any implementation, however this is
+ * not mandated by the PSA specification. */
+ TEST_ASSERT(num_ops > num_ops_prior);
+
+ num_ops_prior = num_ops;
+ }
+ } while (actual_status == PSA_OPERATION_INCOMPLETE);
+
+ TEST_EQUAL(actual_status, expected_complete_status);
+
+ /* Check that another complete returns BAD_STATE. */
+ actual_status = psa_verify_hash_complete(&operation);
+ TEST_EQUAL(actual_status, PSA_ERROR_BAD_STATE);
+
+ TEST_LE_U(min_completes, num_completes);
+ TEST_LE_U(num_completes, max_completes);
+
+ PSA_ASSERT(psa_verify_hash_abort(&operation));
+
+ num_ops = psa_verify_hash_get_num_ops(&operation);
+ TEST_ASSERT(num_ops == 0);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * interruptible_signverify_hash_state_test() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test that calling the various interruptible sign and verify hash functions
+ * in incorrect orders returns BAD_STATE errors.
+ */
+void interruptible_signverify_hash_state_test(int key_type_arg,
+ data_t *key_data, int alg_arg, data_t *input_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_sign_hash_interruptible_operation_t sign_operation =
+ psa_sign_hash_interruptible_operation_init();
+ psa_verify_hash_interruptible_operation_t verify_operation =
+ psa_verify_hash_interruptible_operation_init();
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH |
+ PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+ key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ psa_interruptible_set_max_ops(PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ /* --- Attempt completes prior to starts --- */
+ TEST_EQUAL(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ TEST_EQUAL(psa_verify_hash_complete(&verify_operation),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ /* --- Aborts in all other places. --- */
+ psa_sign_hash_abort(&sign_operation);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ psa_interruptible_set_max_ops(1);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ TEST_EQUAL(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length),
+ PSA_OPERATION_INCOMPLETE);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ psa_interruptible_set_max_ops(PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ PSA_ASSERT(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length));
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ psa_interruptible_set_max_ops(1);
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ TEST_EQUAL(psa_verify_hash_complete(&verify_operation),
+ PSA_OPERATION_INCOMPLETE);
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ psa_interruptible_set_max_ops(PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ PSA_ASSERT(psa_verify_hash_complete(&verify_operation));
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ /* --- Attempt double starts. --- */
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ TEST_EQUAL(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ TEST_EQUAL(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * interruptible_signverify_hash_edgecase_tests() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test various edge cases in the interruptible sign and verify hash
+ * interfaces.
+ */
+void interruptible_signverify_hash_edgecase_tests(int key_type_arg,
+ data_t *key_data, int alg_arg, data_t *input_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ uint8_t *input_buffer = NULL;
+ psa_sign_hash_interruptible_operation_t sign_operation =
+ psa_sign_hash_interruptible_operation_init();
+ psa_verify_hash_interruptible_operation_t verify_operation =
+ psa_verify_hash_interruptible_operation_init();
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH |
+ PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type,
+ key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ /* --- Change function inputs mid run, to cause an error (sign only,
+ * verify passes all inputs to start. --- */
+
+ psa_interruptible_set_max_ops(1);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ TEST_EQUAL(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length),
+ PSA_OPERATION_INCOMPLETE);
+
+ TEST_EQUAL(psa_sign_hash_complete(&sign_operation, signature,
+ 0,
+ &signature_length),
+ PSA_ERROR_BUFFER_TOO_SMALL);
+
+ /* And test that this invalidates the operation. */
+ TEST_EQUAL(psa_sign_hash_complete(&sign_operation, signature,
+ 0,
+ &signature_length),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ /* Trash the hash buffer in between start and complete, to ensure
+ * no reliance on external buffers. */
+ psa_interruptible_set_max_ops(PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ TEST_CALLOC(input_buffer, input_data->len);
+
+ memcpy(input_buffer, input_data->x, input_data->len);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_buffer, input_data->len));
+
+ memset(input_buffer, '!', input_data->len);
+ mbedtls_free(input_buffer);
+ input_buffer = NULL;
+
+ PSA_ASSERT(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length));
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ TEST_CALLOC(input_buffer, input_data->len);
+
+ memcpy(input_buffer, input_data->x, input_data->len);
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_buffer, input_data->len,
+ signature, signature_length));
+
+ memset(input_buffer, '!', input_data->len);
+ mbedtls_free(input_buffer);
+ input_buffer = NULL;
+
+ PSA_ASSERT(psa_verify_hash_complete(&verify_operation));
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ mbedtls_free(input_buffer);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_RESTARTABLE */
+/**
+ * interruptible_signverify_hash_ops_tests() test intentions:
+ *
+ * Note: This test can currently only handle ECDSA.
+ *
+ * 1. Test that setting max ops is reflected in both interruptible sign and
+ * verify hash
+ * 2. Test that changing the value of max_ops to unlimited during an operation
+ * causes that operation to complete in the next call.
+ *
+ * 3. Test that calling get_num_ops() between complete calls gives the same
+ * result as calling get_num_ops() once at the end of the operation.
+ */
+void interruptible_signverify_hash_ops_tests(int key_type_arg,
+ data_t *key_data, int alg_arg,
+ data_t *input_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ uint32_t num_ops = 0;
+ psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
+
+ psa_sign_hash_interruptible_operation_t sign_operation =
+ psa_sign_hash_interruptible_operation_init();
+ psa_verify_hash_interruptible_operation_t verify_operation =
+ psa_verify_hash_interruptible_operation_init();
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_HASH |
+ PSA_KEY_USAGE_VERIFY_HASH);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len, &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Allocate a buffer which has the size advertised by the
+ * library. */
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type, key_bits, alg);
+
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ /* Check that default max ops gets set if we don't set it. */
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ TEST_EQUAL(psa_interruptible_get_max_ops(),
+ PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size));
+
+ TEST_EQUAL(psa_interruptible_get_max_ops(),
+ PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ /* Check that max ops gets set properly. */
+
+ psa_interruptible_set_max_ops(0xbeef);
+
+ TEST_EQUAL(psa_interruptible_get_max_ops(), 0xbeef);
+
+ /* --- Ensure changing the max ops mid operation works (operation should
+ * complete successfully after setting max ops to unlimited --- */
+ psa_interruptible_set_max_ops(1);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ TEST_EQUAL(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length),
+ PSA_OPERATION_INCOMPLETE);
+
+ psa_interruptible_set_max_ops(PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ PSA_ASSERT(psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length));
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ psa_interruptible_set_max_ops(1);
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ TEST_EQUAL(psa_verify_hash_complete(&verify_operation),
+ PSA_OPERATION_INCOMPLETE);
+
+ psa_interruptible_set_max_ops(PSA_INTERRUPTIBLE_MAX_OPS_UNLIMITED);
+
+ PSA_ASSERT(psa_verify_hash_complete(&verify_operation));
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ /* --- Test that not calling get_num_ops inbetween complete calls does not
+ * result in lost ops. ---*/
+
+ psa_interruptible_set_max_ops(1);
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length);
+
+ num_ops = psa_sign_hash_get_num_ops(&sign_operation);
+
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ PSA_ASSERT(status);
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ PSA_ASSERT(psa_sign_hash_start(&sign_operation, key, alg,
+ input_data->x, input_data->len));
+
+ /* Continue performing the signature until complete. */
+ do {
+ status = psa_sign_hash_complete(&sign_operation, signature,
+ signature_size,
+ &signature_length);
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ PSA_ASSERT(status);
+
+ TEST_EQUAL(num_ops, psa_sign_hash_get_num_ops(&sign_operation));
+
+ PSA_ASSERT(psa_sign_hash_abort(&sign_operation));
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ /* Continue performing the verification until complete. */
+ do {
+ status = psa_verify_hash_complete(&verify_operation);
+
+ num_ops = psa_verify_hash_get_num_ops(&verify_operation);
+
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ PSA_ASSERT(status);
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+ PSA_ASSERT(psa_verify_hash_start(&verify_operation, key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ /* Continue performing the verification until complete. */
+ do {
+ status = psa_verify_hash_complete(&verify_operation);
+
+ } while (status == PSA_OPERATION_INCOMPLETE);
+
+ PSA_ASSERT(status);
+
+ TEST_EQUAL(num_ops, psa_verify_hash_get_num_ops(&verify_operation));
+
+ PSA_ASSERT(psa_verify_hash_abort(&verify_operation));
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void sign_message_deterministic(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ data_t *output_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_MESSAGE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type, key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ PSA_ASSERT(psa_sign_message(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size,
+ &signature_length));
+
+ TEST_MEMORY_COMPARE(output_data->x, output_data->len,
+ signature, signature_length);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void sign_message_fail(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ int signature_size_arg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t signature_size = signature_size_arg;
+ psa_status_t actual_status;
+ psa_status_t expected_status = expected_status_arg;
+ unsigned char *signature = NULL;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ TEST_CALLOC(signature, signature_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_MESSAGE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ actual_status = psa_sign_message(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size,
+ &signature_length);
+ TEST_EQUAL(actual_status, expected_status);
+ /* The value of *signature_length is unspecified on error, but
+ * whatever it is, it should be less than signature_size, so that
+ * if the caller tries to read *signature_length bytes without
+ * checking the error code then they don't overflow a buffer. */
+ TEST_LE_U(signature_length, signature_size);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void sign_verify_message(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *signature = NULL;
+ size_t signature_size;
+ size_t signature_length = 0xdeadbeef;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_SIGN_MESSAGE |
+ PSA_KEY_USAGE_VERIFY_MESSAGE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ signature_size = PSA_SIGN_OUTPUT_SIZE(key_type, key_bits, alg);
+ TEST_ASSERT(signature_size != 0);
+ TEST_LE_U(signature_size, PSA_SIGNATURE_MAX_SIZE);
+ TEST_CALLOC(signature, signature_size);
+
+ PSA_ASSERT(psa_sign_message(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_size,
+ &signature_length));
+ TEST_LE_U(signature_length, signature_size);
+ TEST_ASSERT(signature_length > 0);
+
+ PSA_ASSERT(psa_verify_message(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length));
+
+ if (input_data->len != 0) {
+ /* Flip a bit in the input and verify that the signature is now
+ * detected as invalid. Flip a bit at the beginning, not at the end,
+ * because ECDSA may ignore the last few bits of the input. */
+ input_data->x[0] ^= 1;
+ TEST_EQUAL(psa_verify_message(key, alg,
+ input_data->x, input_data->len,
+ signature, signature_length),
+ PSA_ERROR_INVALID_SIGNATURE);
+ }
+
+exit:
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(signature);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void verify_message(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ data_t *signature_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ TEST_LE_U(signature_data->len, PSA_SIGNATURE_MAX_SIZE);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_MESSAGE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_verify_message(key, alg,
+ input_data->x, input_data->len,
+ signature_data->x, signature_data->len));
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void verify_message_fail(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *hash_data,
+ data_t *signature_data,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t actual_status;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_VERIFY_MESSAGE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ actual_status = psa_verify_message(key, alg,
+ hash_data->x, hash_data->len,
+ signature_data->x,
+ signature_data->len);
+ TEST_EQUAL(actual_status, expected_status);
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void asymmetric_encrypt(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ data_t *label,
+ int expected_output_length_arg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t expected_output_length = expected_output_length_arg;
+ size_t key_bits;
+ unsigned char *output = NULL;
+ size_t output_size;
+ size_t output_length = ~0;
+ psa_status_t actual_status;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Import the key */
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Determine the maximum output length */
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ output_size = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg);
+ TEST_LE_U(output_size, PSA_ASYMMETRIC_ENCRYPT_OUTPUT_MAX_SIZE);
+ TEST_CALLOC(output, output_size);
+
+ /* Encrypt the input */
+ actual_status = psa_asymmetric_encrypt(key, alg,
+ input_data->x, input_data->len,
+ label->x, label->len,
+ output, output_size,
+ &output_length);
+ TEST_EQUAL(actual_status, expected_status);
+ if (actual_status == PSA_SUCCESS) {
+ TEST_EQUAL(output_length, expected_output_length);
+ } else {
+ TEST_LE_U(output_length, output_size);
+ }
+
+ /* If the label is empty, the test framework puts a non-null pointer
+ * in label->x. Test that a null pointer works as well. */
+ if (label->len == 0) {
+ output_length = ~0;
+ if (output_size != 0) {
+ memset(output, 0, output_size);
+ }
+ actual_status = psa_asymmetric_encrypt(key, alg,
+ input_data->x, input_data->len,
+ NULL, label->len,
+ output, output_size,
+ &output_length);
+ TEST_EQUAL(actual_status, expected_status);
+ if (actual_status == PSA_SUCCESS) {
+ TEST_EQUAL(output_length, expected_output_length);
+ } else {
+ TEST_LE_U(output_length, output_size);
+ }
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void asymmetric_encrypt_decrypt(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ data_t *label)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *output = NULL;
+ size_t output_size;
+ size_t output_length = ~0;
+ unsigned char *output2 = NULL;
+ size_t output2_size;
+ size_t output2_length = ~0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_ENCRYPT | PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ /* Determine the maximum ciphertext length */
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ output_size = PSA_ASYMMETRIC_ENCRYPT_OUTPUT_SIZE(key_type, key_bits, alg);
+ TEST_LE_U(output_size, PSA_ASYMMETRIC_ENCRYPT_OUTPUT_MAX_SIZE);
+ TEST_CALLOC(output, output_size);
+
+ output2_size = input_data->len;
+ TEST_LE_U(output2_size,
+ PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE(key_type, key_bits, alg));
+ TEST_LE_U(output2_size, PSA_ASYMMETRIC_DECRYPT_OUTPUT_MAX_SIZE);
+ TEST_CALLOC(output2, output2_size);
+
+ /* We test encryption by checking that encrypt-then-decrypt gives back
+ * the original plaintext because of the non-optional random
+ * part of encryption process which prevents using fixed vectors. */
+ PSA_ASSERT(psa_asymmetric_encrypt(key, alg,
+ input_data->x, input_data->len,
+ label->x, label->len,
+ output, output_size,
+ &output_length));
+ /* We don't know what ciphertext length to expect, but check that
+ * it looks sensible. */
+ TEST_LE_U(output_length, output_size);
+
+ PSA_ASSERT(psa_asymmetric_decrypt(key, alg,
+ output, output_length,
+ label->x, label->len,
+ output2, output2_size,
+ &output2_length));
+ TEST_MEMORY_COMPARE(input_data->x, input_data->len,
+ output2, output2_length);
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ mbedtls_free(output2);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void asymmetric_decrypt(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ data_t *label,
+ data_t *expected_data)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ size_t key_bits;
+ unsigned char *output = NULL;
+ size_t output_size = 0;
+ size_t output_length = ~0;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Determine the maximum ciphertext length */
+ output_size = PSA_ASYMMETRIC_DECRYPT_OUTPUT_SIZE(key_type, key_bits, alg);
+ TEST_LE_U(output_size, PSA_ASYMMETRIC_DECRYPT_OUTPUT_MAX_SIZE);
+ TEST_CALLOC(output, output_size);
+
+ PSA_ASSERT(psa_asymmetric_decrypt(key, alg,
+ input_data->x, input_data->len,
+ label->x, label->len,
+ output,
+ output_size,
+ &output_length));
+ TEST_MEMORY_COMPARE(expected_data->x, expected_data->len,
+ output, output_length);
+
+ /* If the label is empty, the test framework puts a non-null pointer
+ * in label->x. Test that a null pointer works as well. */
+ if (label->len == 0) {
+ output_length = ~0;
+ if (output_size != 0) {
+ memset(output, 0, output_size);
+ }
+ PSA_ASSERT(psa_asymmetric_decrypt(key, alg,
+ input_data->x, input_data->len,
+ NULL, label->len,
+ output,
+ output_size,
+ &output_length));
+ TEST_MEMORY_COMPARE(expected_data->x, expected_data->len,
+ output, output_length);
+ }
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void asymmetric_decrypt_fail(int key_type_arg,
+ data_t *key_data,
+ int alg_arg,
+ data_t *input_data,
+ data_t *label,
+ int output_size_arg,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t key_type = key_type_arg;
+ psa_algorithm_t alg = alg_arg;
+ unsigned char *output = NULL;
+ size_t output_size = output_size_arg;
+ size_t output_length = ~0;
+ psa_status_t actual_status;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ TEST_CALLOC(output, output_size);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DECRYPT);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ actual_status = psa_asymmetric_decrypt(key, alg,
+ input_data->x, input_data->len,
+ label->x, label->len,
+ output, output_size,
+ &output_length);
+ TEST_EQUAL(actual_status, expected_status);
+ TEST_LE_U(output_length, output_size);
+
+ /* If the label is empty, the test framework puts a non-null pointer
+ * in label->x. Test that a null pointer works as well. */
+ if (label->len == 0) {
+ output_length = ~0;
+ if (output_size != 0) {
+ memset(output, 0, output_size);
+ }
+ actual_status = psa_asymmetric_decrypt(key, alg,
+ input_data->x, input_data->len,
+ NULL, label->len,
+ output, output_size,
+ &output_length);
+ TEST_EQUAL(actual_status, expected_status);
+ TEST_LE_U(output_length, output_size);
+ }
+
+exit:
+ psa_reset_key_attributes(&attributes);
+ psa_destroy_key(key);
+ mbedtls_free(output);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_derivation_init()
+{
+ /* Test each valid way of initializing the object, except for `= {0}`, as
+ * Clang 5 complains when `-Wmissing-field-initializers` is used, even
+ * though it's OK by the C standard. We could test for this, but we'd need
+ * to suppress the Clang warning for the test. */
+ size_t capacity;
+ psa_key_derivation_operation_t func = psa_key_derivation_operation_init();
+ psa_key_derivation_operation_t init = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_derivation_operation_t zero;
+
+ memset(&zero, 0, sizeof(zero));
+
+ /* A default operation should not be able to report its capacity. */
+ TEST_EQUAL(psa_key_derivation_get_capacity(&func, &capacity),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_key_derivation_get_capacity(&init, &capacity),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_key_derivation_get_capacity(&zero, &capacity),
+ PSA_ERROR_BAD_STATE);
+
+ /* A default operation should be abortable without error. */
+ PSA_ASSERT(psa_key_derivation_abort(&func));
+ PSA_ASSERT(psa_key_derivation_abort(&init));
+ PSA_ASSERT(psa_key_derivation_abort(&zero));
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_setup(int alg_arg, int expected_status_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ TEST_EQUAL(psa_key_derivation_setup(&operation, alg),
+ expected_status);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_set_capacity(int alg_arg, int64_t capacity_arg,
+ int expected_status_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ size_t capacity = capacity_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+
+ TEST_EQUAL(psa_key_derivation_set_capacity(&operation, capacity),
+ expected_status);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void parse_binary_string_test(data_t *input, int output)
+{
+ uint64_t value;
+ value = mbedtls_test_parse_binary_string(input);
+ TEST_EQUAL(value, output);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_input(int alg_arg,
+ int step_arg1, int key_type_arg1, data_t *input1,
+ int expected_status_arg1,
+ int step_arg2, int key_type_arg2, data_t *input2,
+ int expected_status_arg2,
+ int step_arg3, int key_type_arg3, data_t *input3,
+ int expected_status_arg3,
+ int output_key_type_arg, int expected_output_status_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ psa_key_derivation_step_t steps[] = { step_arg1, step_arg2, step_arg3 };
+ uint32_t key_types[] = { key_type_arg1, key_type_arg2, key_type_arg3 };
+ psa_status_t expected_statuses[] = { expected_status_arg1,
+ expected_status_arg2,
+ expected_status_arg3 };
+ data_t *inputs[] = { input1, input2, input3 };
+ mbedtls_svc_key_id_t keys[] = { MBEDTLS_SVC_KEY_ID_INIT,
+ MBEDTLS_SVC_KEY_ID_INIT,
+ MBEDTLS_SVC_KEY_ID_INIT };
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t i;
+ psa_key_type_t output_key_type = output_key_type_arg;
+ mbedtls_svc_key_id_t output_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_status_t expected_output_status = expected_output_status_arg;
+ psa_status_t actual_output_status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+
+ for (i = 0; i < ARRAY_LENGTH(steps); i++) {
+ mbedtls_test_set_step(i);
+ if (steps[i] == 0) {
+ /* Skip this step */
+ } else if (((psa_key_type_t) key_types[i]) != PSA_KEY_TYPE_NONE &&
+ key_types[i] != INPUT_INTEGER) {
+ psa_set_key_type(&attributes, ((psa_key_type_t) key_types[i]));
+ PSA_ASSERT(psa_import_key(&attributes,
+ inputs[i]->x, inputs[i]->len,
+ &keys[i]));
+ if (PSA_KEY_TYPE_IS_KEY_PAIR((psa_key_type_t) key_types[i]) &&
+ steps[i] == PSA_KEY_DERIVATION_INPUT_SECRET) {
+ // When taking a private key as secret input, use key agreement
+ // to add the shared secret to the derivation
+ TEST_EQUAL(mbedtls_test_psa_key_agreement_with_self(
+ &operation, keys[i], 0),
+ expected_statuses[i]);
+ } else {
+ TEST_EQUAL(psa_key_derivation_input_key(&operation, steps[i],
+ keys[i]),
+ expected_statuses[i]);
+ }
+ } else {
+ if (key_types[i] == INPUT_INTEGER) {
+ TEST_EQUAL(psa_key_derivation_input_integer(
+ &operation, steps[i],
+ mbedtls_test_parse_binary_string(inputs[i])),
+ expected_statuses[i]);
+ } else {
+ TEST_EQUAL(psa_key_derivation_input_bytes(
+ &operation, steps[i],
+ inputs[i]->x, inputs[i]->len),
+ expected_statuses[i]);
+ }
+ }
+ }
+
+ if (output_key_type != PSA_KEY_TYPE_NONE) {
+ psa_reset_key_attributes(&attributes);
+ psa_set_key_type(&attributes, output_key_type);
+ psa_set_key_bits(&attributes, 8);
+ actual_output_status =
+ psa_key_derivation_output_key(&attributes, &operation,
+ &output_key);
+ } else {
+ uint8_t buffer[1];
+ actual_output_status =
+ psa_key_derivation_output_bytes(&operation,
+ buffer, sizeof(buffer));
+ }
+ TEST_EQUAL(actual_output_status, expected_output_status);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ for (i = 0; i < ARRAY_LENGTH(keys); i++) {
+ psa_destroy_key(keys[i]);
+ }
+ psa_destroy_key(output_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE*/
+void derive_input_invalid_cost(int alg_arg, int64_t cost)
+{
+ psa_algorithm_t alg = alg_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+
+ TEST_EQUAL(psa_key_derivation_input_integer(&operation,
+ PSA_KEY_DERIVATION_INPUT_COST,
+ cost),
+ PSA_ERROR_NOT_SUPPORTED);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE*/
+
+/* BEGIN_CASE */
+void derive_over_capacity(int alg_arg)
+{
+ psa_algorithm_t alg = alg_arg;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ size_t key_type = PSA_KEY_TYPE_DERIVE;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ unsigned char input1[] = "Input 1";
+ size_t input1_length = sizeof(input1);
+ unsigned char input2[] = "Input 2";
+ size_t input2_length = sizeof(input2);
+ uint8_t buffer[42];
+ size_t capacity = sizeof(buffer);
+ const uint8_t key_data[22] = { 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
+ 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b };
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type);
+
+ PSA_ASSERT(psa_import_key(&attributes,
+ key_data, sizeof(key_data),
+ &key));
+
+ /* valid key derivation */
+ if (!mbedtls_test_psa_setup_key_derivation_wrap(&operation, key, alg,
+ input1, input1_length,
+ input2, input2_length,
+ capacity, 0)) {
+ goto exit;
+ }
+
+ /* state of operation shouldn't allow additional generation */
+ TEST_EQUAL(psa_key_derivation_setup(&operation, alg),
+ PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation, buffer, capacity));
+
+ TEST_EQUAL(psa_key_derivation_output_bytes(&operation, buffer, capacity),
+ PSA_ERROR_INSUFFICIENT_DATA);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_actions_without_setup()
+{
+ uint8_t output_buffer[16];
+ size_t buffer_size = 16;
+ size_t capacity = 0;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+
+ TEST_ASSERT(psa_key_derivation_output_bytes(&operation,
+ output_buffer, buffer_size)
+ == PSA_ERROR_BAD_STATE);
+
+ TEST_ASSERT(psa_key_derivation_get_capacity(&operation, &capacity)
+ == PSA_ERROR_BAD_STATE);
+
+ PSA_ASSERT(psa_key_derivation_abort(&operation));
+
+ TEST_ASSERT(psa_key_derivation_output_bytes(&operation,
+ output_buffer, buffer_size)
+ == PSA_ERROR_BAD_STATE);
+
+ TEST_ASSERT(psa_key_derivation_get_capacity(&operation, &capacity)
+ == PSA_ERROR_BAD_STATE);
+
+exit:
+ psa_key_derivation_abort(&operation);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_output(int alg_arg,
+ int step1_arg, data_t *input1, int expected_status_arg1,
+ int step2_arg, data_t *input2, int expected_status_arg2,
+ int step3_arg, data_t *input3, int expected_status_arg3,
+ int step4_arg, data_t *input4, int expected_status_arg4,
+ data_t *key_agreement_peer_key,
+ int requested_capacity_arg,
+ data_t *expected_output1,
+ data_t *expected_output2,
+ int other_key_input_type,
+ int key_input_type,
+ int derive_type)
+{
+ psa_algorithm_t alg = alg_arg;
+ psa_key_derivation_step_t steps[] = { step1_arg, step2_arg, step3_arg, step4_arg };
+ data_t *inputs[] = { input1, input2, input3, input4 };
+ mbedtls_svc_key_id_t keys[] = { MBEDTLS_SVC_KEY_ID_INIT,
+ MBEDTLS_SVC_KEY_ID_INIT,
+ MBEDTLS_SVC_KEY_ID_INIT,
+ MBEDTLS_SVC_KEY_ID_INIT };
+ psa_status_t statuses[] = { expected_status_arg1, expected_status_arg2,
+ expected_status_arg3, expected_status_arg4 };
+ size_t requested_capacity = requested_capacity_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ uint8_t *expected_outputs[2] =
+ { expected_output1->x, expected_output2->x };
+ size_t output_sizes[2] =
+ { expected_output1->len, expected_output2->len };
+ size_t output_buffer_size = 0;
+ uint8_t *output_buffer = NULL;
+ size_t expected_capacity;
+ size_t current_capacity;
+ psa_key_attributes_t attributes1 = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t attributes2 = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t attributes3 = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t attributes4 = PSA_KEY_ATTRIBUTES_INIT;
+ mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_status_t status;
+ size_t i;
+
+ for (i = 0; i < ARRAY_LENGTH(expected_outputs); i++) {
+ if (output_sizes[i] > output_buffer_size) {
+ output_buffer_size = output_sizes[i];
+ }
+ if (output_sizes[i] == 0) {
+ expected_outputs[i] = NULL;
+ }
+ }
+ TEST_CALLOC(output_buffer, output_buffer_size);
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Extraction phase. */
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+ PSA_ASSERT(psa_key_derivation_set_capacity(&operation,
+ requested_capacity));
+ for (i = 0; i < ARRAY_LENGTH(steps); i++) {
+ switch (steps[i]) {
+ case 0:
+ break;
+ case PSA_KEY_DERIVATION_INPUT_COST:
+ TEST_EQUAL(psa_key_derivation_input_integer(
+ &operation, steps[i],
+ mbedtls_test_parse_binary_string(inputs[i])),
+ statuses[i]);
+ if (statuses[i] != PSA_SUCCESS) {
+ goto exit;
+ }
+ break;
+ case PSA_KEY_DERIVATION_INPUT_PASSWORD:
+ case PSA_KEY_DERIVATION_INPUT_SECRET:
+ switch (key_input_type) {
+ case 0: // input bytes
+ TEST_EQUAL(psa_key_derivation_input_bytes(
+ &operation, steps[i],
+ inputs[i]->x, inputs[i]->len),
+ statuses[i]);
+
+ if (statuses[i] != PSA_SUCCESS) {
+ goto exit;
+ }
+ break;
+ case 1: // input key
+ psa_set_key_usage_flags(&attributes1, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes1, alg);
+ psa_set_key_type(&attributes1, PSA_KEY_TYPE_DERIVE);
+
+ PSA_ASSERT(psa_import_key(&attributes1,
+ inputs[i]->x, inputs[i]->len,
+ &keys[i]));
+
+ if (PSA_ALG_IS_TLS12_PSK_TO_MS(alg)) {
+ PSA_ASSERT(psa_get_key_attributes(keys[i], &attributes1));
+ TEST_LE_U(PSA_BITS_TO_BYTES(psa_get_key_bits(&attributes1)),
+ PSA_TLS12_PSK_TO_MS_PSK_MAX_SIZE);
+ }
+
+ TEST_EQUAL(psa_key_derivation_input_key(&operation,
+ steps[i],
+ keys[i]),
+ statuses[i]);
+
+ if (statuses[i] != PSA_SUCCESS) {
+ goto exit;
+ }
+ break;
+ default:
+ TEST_FAIL("default case not supported");
+ break;
+ }
+ break;
+ case PSA_KEY_DERIVATION_INPUT_OTHER_SECRET:
+ switch (other_key_input_type) {
+ case 0: // input bytes
+ TEST_EQUAL(psa_key_derivation_input_bytes(&operation,
+ steps[i],
+ inputs[i]->x,
+ inputs[i]->len),
+ statuses[i]);
+ break;
+ case 1: // input key, type DERIVE
+ case 11: // input key, type RAW
+ psa_set_key_usage_flags(&attributes2, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes2, alg);
+ psa_set_key_type(&attributes2, PSA_KEY_TYPE_DERIVE);
+
+ // other secret of type RAW_DATA passed with input_key
+ if (other_key_input_type == 11) {
+ psa_set_key_type(&attributes2, PSA_KEY_TYPE_RAW_DATA);
+ }
+
+ PSA_ASSERT(psa_import_key(&attributes2,
+ inputs[i]->x, inputs[i]->len,
+ &keys[i]));
+
+ TEST_EQUAL(psa_key_derivation_input_key(&operation,
+ steps[i],
+ keys[i]),
+ statuses[i]);
+ break;
+ case 2: // key agreement
+ psa_set_key_usage_flags(&attributes3, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes3, alg);
+ psa_set_key_type(&attributes3,
+ PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1));
+
+ PSA_ASSERT(psa_import_key(&attributes3,
+ inputs[i]->x, inputs[i]->len,
+ &keys[i]));
+
+ TEST_EQUAL(psa_key_derivation_key_agreement(
+ &operation,
+ PSA_KEY_DERIVATION_INPUT_OTHER_SECRET,
+ keys[i], key_agreement_peer_key->x,
+ key_agreement_peer_key->len), statuses[i]);
+ break;
+ default:
+ TEST_FAIL("default case not supported");
+ break;
+ }
+
+ if (statuses[i] != PSA_SUCCESS) {
+ goto exit;
+ }
+ break;
+ default:
+ TEST_EQUAL(psa_key_derivation_input_bytes(
+ &operation, steps[i],
+ inputs[i]->x, inputs[i]->len), statuses[i]);
+
+ if (statuses[i] != PSA_SUCCESS) {
+ goto exit;
+ }
+ break;
+ }
+ }
+
+ PSA_ASSERT(psa_key_derivation_get_capacity(&operation,
+ &current_capacity));
+ TEST_EQUAL(current_capacity, requested_capacity);
+ expected_capacity = requested_capacity;
+
+ if (derive_type == 1) { // output key
+ psa_status_t expected_status = PSA_ERROR_NOT_PERMITTED;
+
+ /* For output key derivation secret must be provided using
+ input key, otherwise operation is not permitted. */
+ if (key_input_type == 1) {
+ expected_status = PSA_SUCCESS;
+ }
+
+ psa_set_key_usage_flags(&attributes4, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_algorithm(&attributes4, alg);
+ psa_set_key_type(&attributes4, PSA_KEY_TYPE_DERIVE);
+ psa_set_key_bits(&attributes4, PSA_BYTES_TO_BITS(requested_capacity));
+
+ TEST_EQUAL(psa_key_derivation_output_key(&attributes4, &operation,
+ &derived_key), expected_status);
+ } else { // output bytes
+ /* Expansion phase. */
+ for (i = 0; i < ARRAY_LENGTH(expected_outputs); i++) {
+ /* Read some bytes. */
+ status = psa_key_derivation_output_bytes(&operation,
+ output_buffer, output_sizes[i]);
+ if (expected_capacity == 0 && output_sizes[i] == 0) {
+ /* Reading 0 bytes when 0 bytes are available can go either way. */
+ TEST_ASSERT(status == PSA_SUCCESS ||
+ status == PSA_ERROR_INSUFFICIENT_DATA);
+ continue;
+ } else if (expected_capacity == 0 ||
+ output_sizes[i] > expected_capacity) {
+ /* Capacity exceeded. */
+ TEST_EQUAL(status, PSA_ERROR_INSUFFICIENT_DATA);
+ expected_capacity = 0;
+ continue;
+ }
+ /* Success. Check the read data. */
+ PSA_ASSERT(status);
+ if (output_sizes[i] != 0) {
+ TEST_MEMORY_COMPARE(output_buffer, output_sizes[i],
+ expected_outputs[i], output_sizes[i]);
+ }
+ /* Check the operation status. */
+ expected_capacity -= output_sizes[i];
+ PSA_ASSERT(psa_key_derivation_get_capacity(&operation,
+ &current_capacity));
+ TEST_EQUAL(expected_capacity, current_capacity);
+ }
+ }
+ PSA_ASSERT(psa_key_derivation_abort(&operation));
+
+exit:
+ mbedtls_free(output_buffer);
+ psa_key_derivation_abort(&operation);
+ for (i = 0; i < ARRAY_LENGTH(keys); i++) {
+ psa_destroy_key(keys[i]);
+ }
+ psa_destroy_key(derived_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_full(int alg_arg,
+ data_t *key_data,
+ data_t *input1,
+ data_t *input2,
+ int requested_capacity_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ size_t requested_capacity = requested_capacity_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ unsigned char output_buffer[32];
+ size_t expected_capacity = requested_capacity;
+ size_t current_capacity;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, PSA_KEY_TYPE_DERIVE);
+
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &key));
+
+ if (!mbedtls_test_psa_setup_key_derivation_wrap(&operation, key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ requested_capacity, 0)) {
+ goto exit;
+ }
+
+ PSA_ASSERT(psa_key_derivation_get_capacity(&operation,
+ &current_capacity));
+ TEST_EQUAL(current_capacity, expected_capacity);
+
+ /* Expansion phase. */
+ while (current_capacity > 0) {
+ size_t read_size = sizeof(output_buffer);
+ if (read_size > current_capacity) {
+ read_size = current_capacity;
+ }
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation,
+ output_buffer,
+ read_size));
+ expected_capacity -= read_size;
+ PSA_ASSERT(psa_key_derivation_get_capacity(&operation,
+ &current_capacity));
+ TEST_EQUAL(current_capacity, expected_capacity);
+ }
+
+ /* Check that the operation refuses to go over capacity. */
+ TEST_EQUAL(psa_key_derivation_output_bytes(&operation, output_buffer, 1),
+ PSA_ERROR_INSUFFICIENT_DATA);
+
+ PSA_ASSERT(psa_key_derivation_abort(&operation));
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_SHA_256:PSA_WANT_ALG_TLS12_ECJPAKE_TO_PMS */
+void derive_ecjpake_to_pms(data_t *input, int expected_input_status_arg,
+ int derivation_step,
+ int capacity, int expected_capacity_status_arg,
+ data_t *expected_output,
+ int expected_output_status_arg)
+{
+ psa_algorithm_t alg = PSA_ALG_TLS12_ECJPAKE_TO_PMS;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_derivation_step_t step = (psa_key_derivation_step_t) derivation_step;
+ uint8_t *output_buffer = NULL;
+ psa_status_t status;
+ psa_status_t expected_input_status = (psa_status_t) expected_input_status_arg;
+ psa_status_t expected_capacity_status = (psa_status_t) expected_capacity_status_arg;
+ psa_status_t expected_output_status = (psa_status_t) expected_output_status_arg;
+
+ TEST_CALLOC(output_buffer, expected_output->len);
+ PSA_ASSERT(psa_crypto_init());
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+ TEST_EQUAL(psa_key_derivation_set_capacity(&operation, capacity),
+ expected_capacity_status);
+
+ TEST_EQUAL(psa_key_derivation_input_bytes(&operation,
+ step, input->x, input->len),
+ expected_input_status);
+
+ if (((psa_status_t) expected_input_status) != PSA_SUCCESS) {
+ goto exit;
+ }
+
+ status = psa_key_derivation_output_bytes(&operation, output_buffer,
+ expected_output->len);
+
+ TEST_EQUAL(status, expected_output_status);
+ if (expected_output->len != 0 && expected_output_status == PSA_SUCCESS) {
+ TEST_MEMORY_COMPARE(output_buffer, expected_output->len, expected_output->x,
+ expected_output->len);
+ }
+
+exit:
+ mbedtls_free(output_buffer);
+ psa_key_derivation_abort(&operation);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_key_exercise(int alg_arg,
+ data_t *key_data,
+ data_t *input1,
+ data_t *input2,
+ int derived_type_arg,
+ int derived_bits_arg,
+ int derived_usage_arg,
+ int derived_alg_arg)
+{
+ mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t derived_type = derived_type_arg;
+ size_t derived_bits = derived_bits_arg;
+ psa_key_usage_t derived_usage = derived_usage_arg;
+ psa_algorithm_t derived_alg = derived_alg_arg;
+ size_t capacity = PSA_BITS_TO_BYTES(derived_bits);
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, PSA_KEY_TYPE_DERIVE);
+ PSA_ASSERT(psa_import_key(&attributes, key_data->x, key_data->len,
+ &base_key));
+
+ /* Derive a key. */
+ if (!mbedtls_test_psa_setup_key_derivation_wrap(&operation, base_key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ capacity, 0)) {
+ goto exit;
+ }
+
+ psa_set_key_usage_flags(&attributes, derived_usage);
+ psa_set_key_algorithm(&attributes, derived_alg);
+ psa_set_key_type(&attributes, derived_type);
+ psa_set_key_bits(&attributes, derived_bits);
+ PSA_ASSERT(psa_key_derivation_output_key(&attributes, &operation,
+ &derived_key));
+
+ /* Test the key information */
+ PSA_ASSERT(psa_get_key_attributes(derived_key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), derived_type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), derived_bits);
+
+ /* Exercise the derived key. */
+ if (!mbedtls_test_psa_exercise_key(derived_key, derived_usage, derived_alg, 0)) {
+ goto exit;
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(base_key);
+ psa_destroy_key(derived_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_key_export(int alg_arg,
+ data_t *key_data,
+ data_t *input1,
+ data_t *input2,
+ int bytes1_arg,
+ int bytes2_arg)
+{
+ mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ size_t bytes1 = bytes1_arg;
+ size_t bytes2 = bytes2_arg;
+ size_t capacity = bytes1 + bytes2;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ uint8_t *output_buffer = NULL;
+ uint8_t *export_buffer = NULL;
+ psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t length;
+
+ TEST_CALLOC(output_buffer, capacity);
+ TEST_CALLOC(export_buffer, capacity);
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&base_attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&base_attributes, alg);
+ psa_set_key_type(&base_attributes, PSA_KEY_TYPE_DERIVE);
+ PSA_ASSERT(psa_import_key(&base_attributes, key_data->x, key_data->len,
+ &base_key));
+
+ /* Derive some material and output it. */
+ if (!mbedtls_test_psa_setup_key_derivation_wrap(&operation, base_key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ capacity, 0)) {
+ goto exit;
+ }
+
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation,
+ output_buffer,
+ capacity));
+ PSA_ASSERT(psa_key_derivation_abort(&operation));
+
+ /* Derive the same output again, but this time store it in key objects. */
+ if (!mbedtls_test_psa_setup_key_derivation_wrap(&operation, base_key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ capacity, 0)) {
+ goto exit;
+ }
+
+ psa_set_key_usage_flags(&derived_attributes, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_algorithm(&derived_attributes, 0);
+ psa_set_key_type(&derived_attributes, PSA_KEY_TYPE_RAW_DATA);
+ psa_set_key_bits(&derived_attributes, PSA_BYTES_TO_BITS(bytes1));
+ PSA_ASSERT(psa_key_derivation_output_key(&derived_attributes, &operation,
+ &derived_key));
+ PSA_ASSERT(psa_export_key(derived_key,
+ export_buffer, bytes1,
+ &length));
+ TEST_EQUAL(length, bytes1);
+ PSA_ASSERT(psa_destroy_key(derived_key));
+ psa_set_key_bits(&derived_attributes, PSA_BYTES_TO_BITS(bytes2));
+ PSA_ASSERT(psa_key_derivation_output_key(&derived_attributes, &operation,
+ &derived_key));
+ PSA_ASSERT(psa_export_key(derived_key,
+ export_buffer + bytes1, bytes2,
+ &length));
+ TEST_EQUAL(length, bytes2);
+
+ /* Compare the outputs from the two runs. */
+ TEST_MEMORY_COMPARE(output_buffer, bytes1 + bytes2,
+ export_buffer, capacity);
+
+exit:
+ mbedtls_free(output_buffer);
+ mbedtls_free(export_buffer);
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(base_key);
+ psa_destroy_key(derived_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_key_type(int alg_arg,
+ data_t *key_data,
+ data_t *input1,
+ data_t *input2,
+ int key_type_arg, int bits_arg,
+ data_t *expected_export)
+{
+ mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
+ const psa_algorithm_t alg = alg_arg;
+ const psa_key_type_t key_type = key_type_arg;
+ const size_t bits = bits_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ const size_t export_buffer_size =
+ PSA_EXPORT_KEY_OUTPUT_SIZE(key_type, bits);
+ uint8_t *export_buffer = NULL;
+ psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t export_length;
+
+ TEST_CALLOC(export_buffer, export_buffer_size);
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&base_attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&base_attributes, alg);
+ psa_set_key_type(&base_attributes, PSA_KEY_TYPE_DERIVE);
+ PSA_ASSERT(psa_import_key(&base_attributes, key_data->x, key_data->len,
+ &base_key));
+
+ if (mbedtls_test_psa_setup_key_derivation_wrap(
+ &operation, base_key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ PSA_KEY_DERIVATION_UNLIMITED_CAPACITY, 0) == 0) {
+ goto exit;
+ }
+
+ psa_set_key_usage_flags(&derived_attributes, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_algorithm(&derived_attributes, 0);
+ psa_set_key_type(&derived_attributes, key_type);
+ psa_set_key_bits(&derived_attributes, bits);
+ PSA_ASSERT(psa_key_derivation_output_key(&derived_attributes, &operation,
+ &derived_key));
+
+ PSA_ASSERT(psa_export_key(derived_key,
+ export_buffer, export_buffer_size,
+ &export_length));
+ TEST_MEMORY_COMPARE(export_buffer, export_length,
+ expected_export->x, expected_export->len);
+
+exit:
+ mbedtls_free(export_buffer);
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(base_key);
+ psa_destroy_key(derived_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_key_ext(int alg_arg,
+ data_t *key_data,
+ data_t *input1,
+ data_t *input2,
+ int key_type_arg, int bits_arg,
+ int flags_arg,
+ data_t *params_data,
+ psa_status_t expected_status,
+ data_t *expected_export)
+{
+ mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
+ const psa_algorithm_t alg = alg_arg;
+ const psa_key_type_t key_type = key_type_arg;
+ const size_t bits = bits_arg;
+ psa_key_production_parameters_t *params = NULL;
+ size_t params_data_length = 0;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ const size_t export_buffer_size =
+ PSA_EXPORT_KEY_OUTPUT_SIZE(key_type, bits);
+ uint8_t *export_buffer = NULL;
+ psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t export_length;
+
+ TEST_CALLOC(export_buffer, export_buffer_size);
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&base_attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&base_attributes, alg);
+ psa_set_key_type(&base_attributes, PSA_KEY_TYPE_DERIVE);
+ PSA_ASSERT(psa_import_key(&base_attributes, key_data->x, key_data->len,
+ &base_key));
+
+ if (mbedtls_test_psa_setup_key_derivation_wrap(
+ &operation, base_key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ PSA_KEY_DERIVATION_UNLIMITED_CAPACITY, 0) == 0) {
+ goto exit;
+ }
+
+ psa_set_key_usage_flags(&derived_attributes, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_algorithm(&derived_attributes, 0);
+ psa_set_key_type(&derived_attributes, key_type);
+ psa_set_key_bits(&derived_attributes, bits);
+ if (!setup_key_production_parameters(&params, &params_data_length,
+ flags_arg, params_data)) {
+ goto exit;
+ }
+
+ TEST_EQUAL(psa_key_derivation_output_key_ext(&derived_attributes, &operation,
+ params, params_data_length,
+ &derived_key),
+ expected_status);
+
+ if (expected_status == PSA_SUCCESS) {
+ PSA_ASSERT(psa_export_key(derived_key,
+ export_buffer, export_buffer_size,
+ &export_length));
+ TEST_MEMORY_COMPARE(export_buffer, export_length,
+ expected_export->x, expected_export->len);
+ }
+
+exit:
+ mbedtls_free(export_buffer);
+ mbedtls_free(params);
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(base_key);
+ psa_destroy_key(derived_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void derive_key(int alg_arg,
+ data_t *key_data, data_t *input1, data_t *input2,
+ int type_arg, int bits_arg,
+ int expected_status_arg,
+ int is_large_output)
+{
+ mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t derived_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t type = type_arg;
+ size_t bits = bits_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t derived_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&base_attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&base_attributes, alg);
+ psa_set_key_type(&base_attributes, PSA_KEY_TYPE_DERIVE);
+ PSA_ASSERT(psa_import_key(&base_attributes, key_data->x, key_data->len,
+ &base_key));
+
+ if (!mbedtls_test_psa_setup_key_derivation_wrap(&operation, base_key, alg,
+ input1->x, input1->len,
+ input2->x, input2->len,
+ SIZE_MAX, 0)) {
+ goto exit;
+ }
+
+ psa_set_key_usage_flags(&derived_attributes, PSA_KEY_USAGE_EXPORT);
+ psa_set_key_algorithm(&derived_attributes, 0);
+ psa_set_key_type(&derived_attributes, type);
+ psa_set_key_bits(&derived_attributes, bits);
+
+ psa_status_t status =
+ psa_key_derivation_output_key(&derived_attributes,
+ &operation,
+ &derived_key);
+ if (is_large_output > 0) {
+ TEST_ASSUME(status != PSA_ERROR_INSUFFICIENT_MEMORY);
+ }
+ TEST_EQUAL(status, expected_status);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(base_key);
+ psa_destroy_key(derived_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_agreement_setup(int alg_arg,
+ int our_key_type_arg, int our_key_alg_arg,
+ data_t *our_key_data, data_t *peer_key_data,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t our_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_algorithm_t our_key_alg = our_key_alg_arg;
+ psa_key_type_t our_key_type = our_key_type_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_status_t expected_status = expected_status_arg;
+ psa_status_t status;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, our_key_alg);
+ psa_set_key_type(&attributes, our_key_type);
+ PSA_ASSERT(psa_import_key(&attributes,
+ our_key_data->x, our_key_data->len,
+ &our_key));
+
+ /* The tests currently include inputs that should fail at either step.
+ * Test cases that fail at the setup step should be changed to call
+ * key_derivation_setup instead, and this function should be renamed
+ * to key_agreement_fail. */
+ status = psa_key_derivation_setup(&operation, alg);
+ if (status == PSA_SUCCESS) {
+ TEST_EQUAL(psa_key_derivation_key_agreement(
+ &operation, PSA_KEY_DERIVATION_INPUT_SECRET,
+ our_key,
+ peer_key_data->x, peer_key_data->len),
+ expected_status);
+ } else {
+ TEST_ASSERT(status == expected_status);
+ }
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(our_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void raw_key_agreement(int alg_arg,
+ int our_key_type_arg, data_t *our_key_data,
+ data_t *peer_key_data,
+ data_t *expected_output)
+{
+ mbedtls_svc_key_id_t our_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t our_key_type = our_key_type_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ unsigned char *output = NULL;
+ size_t output_length = ~0;
+ size_t key_bits;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, our_key_type);
+ PSA_ASSERT(psa_import_key(&attributes,
+ our_key_data->x, our_key_data->len,
+ &our_key));
+
+ PSA_ASSERT(psa_get_key_attributes(our_key, &attributes));
+ key_bits = psa_get_key_bits(&attributes);
+
+ /* Validate size macros */
+ TEST_LE_U(expected_output->len,
+ PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE(our_key_type, key_bits));
+ TEST_LE_U(PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE(our_key_type, key_bits),
+ PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE);
+
+ /* Good case with exact output size */
+ TEST_CALLOC(output, expected_output->len);
+ PSA_ASSERT(psa_raw_key_agreement(alg, our_key,
+ peer_key_data->x, peer_key_data->len,
+ output, expected_output->len,
+ &output_length));
+ TEST_MEMORY_COMPARE(output, output_length,
+ expected_output->x, expected_output->len);
+ mbedtls_free(output);
+ output = NULL;
+ output_length = ~0;
+
+ /* Larger buffer */
+ TEST_CALLOC(output, expected_output->len + 1);
+ PSA_ASSERT(psa_raw_key_agreement(alg, our_key,
+ peer_key_data->x, peer_key_data->len,
+ output, expected_output->len + 1,
+ &output_length));
+ TEST_MEMORY_COMPARE(output, output_length,
+ expected_output->x, expected_output->len);
+ mbedtls_free(output);
+ output = NULL;
+ output_length = ~0;
+
+ /* Buffer too small */
+ TEST_CALLOC(output, expected_output->len - 1);
+ TEST_EQUAL(psa_raw_key_agreement(alg, our_key,
+ peer_key_data->x, peer_key_data->len,
+ output, expected_output->len - 1,
+ &output_length),
+ PSA_ERROR_BUFFER_TOO_SMALL);
+ /* Not required by the spec, but good robustness */
+ TEST_LE_U(output_length, expected_output->len - 1);
+ mbedtls_free(output);
+ output = NULL;
+
+exit:
+ mbedtls_free(output);
+ psa_destroy_key(our_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_agreement_capacity(int alg_arg,
+ int our_key_type_arg, data_t *our_key_data,
+ data_t *peer_key_data,
+ int expected_capacity_arg)
+{
+ mbedtls_svc_key_id_t our_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t our_key_type = our_key_type_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ size_t actual_capacity;
+ unsigned char output[16];
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, our_key_type);
+ PSA_ASSERT(psa_import_key(&attributes,
+ our_key_data->x, our_key_data->len,
+ &our_key));
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+ PSA_ASSERT(psa_key_derivation_key_agreement(
+ &operation,
+ PSA_KEY_DERIVATION_INPUT_SECRET, our_key,
+ peer_key_data->x, peer_key_data->len));
+ if (PSA_ALG_IS_HKDF(PSA_ALG_KEY_AGREEMENT_GET_KDF(alg))) {
+ /* The test data is for info="" */
+ PSA_ASSERT(psa_key_derivation_input_bytes(&operation,
+ PSA_KEY_DERIVATION_INPUT_INFO,
+ NULL, 0));
+ }
+
+ /* Test the advertised capacity. */
+ PSA_ASSERT(psa_key_derivation_get_capacity(
+ &operation, &actual_capacity));
+ TEST_EQUAL(actual_capacity, (size_t) expected_capacity_arg);
+
+ /* Test the actual capacity by reading the output. */
+ while (actual_capacity > sizeof(output)) {
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation,
+ output, sizeof(output)));
+ actual_capacity -= sizeof(output);
+ }
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation,
+ output, actual_capacity));
+ TEST_EQUAL(psa_key_derivation_output_bytes(&operation, output, 1),
+ PSA_ERROR_INSUFFICIENT_DATA);
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(our_key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
+void ecc_conversion_functions(int grp_id_arg, int psa_family_arg, int bits_arg)
+{
+ mbedtls_ecp_group_id grp_id = grp_id_arg;
+ psa_ecc_family_t ecc_family = psa_family_arg;
+ size_t bits = bits_arg;
+ size_t bits_tmp;
+
+ TEST_EQUAL(ecc_family, mbedtls_ecc_group_to_psa(grp_id, &bits_tmp));
+ TEST_EQUAL(bits, bits_tmp);
+ TEST_EQUAL(grp_id, mbedtls_ecc_group_from_psa(ecc_family, bits));
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY */
+void ecc_conversion_functions_fail()
+{
+ size_t bits;
+
+ /* Invalid legacy curve identifiers. */
+ TEST_EQUAL(0, mbedtls_ecc_group_to_psa(MBEDTLS_ECP_DP_MAX, &bits));
+ TEST_EQUAL(0, bits);
+ TEST_EQUAL(0, mbedtls_ecc_group_to_psa(MBEDTLS_ECP_DP_NONE, &bits));
+ TEST_EQUAL(0, bits);
+
+ /* Invalid PSA EC family. */
+ TEST_EQUAL(MBEDTLS_ECP_DP_NONE, mbedtls_ecc_group_from_psa(0, 192));
+ /* Invalid bit-size for a valid EC family. */
+ TEST_EQUAL(MBEDTLS_ECP_DP_NONE, mbedtls_ecc_group_from_psa(PSA_ECC_FAMILY_SECP_R1, 512));
+
+ /* Twisted-Edward curves are not supported yet. */
+ TEST_EQUAL(MBEDTLS_ECP_DP_NONE,
+ mbedtls_ecc_group_from_psa(PSA_ECC_FAMILY_TWISTED_EDWARDS, 255));
+ TEST_EQUAL(MBEDTLS_ECP_DP_NONE,
+ mbedtls_ecc_group_from_psa(PSA_ECC_FAMILY_TWISTED_EDWARDS, 448));
+}
+/* END_CASE */
+
+
+/* BEGIN_CASE */
+void key_agreement_output(int alg_arg,
+ int our_key_type_arg, data_t *our_key_data,
+ data_t *peer_key_data,
+ data_t *expected_output1, data_t *expected_output2)
+{
+ mbedtls_svc_key_id_t our_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_type_t our_key_type = our_key_type_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ uint8_t *actual_output = NULL;
+
+ TEST_CALLOC(actual_output, MAX(expected_output1->len,
+ expected_output2->len));
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, our_key_type);
+ PSA_ASSERT(psa_import_key(&attributes,
+ our_key_data->x, our_key_data->len,
+ &our_key));
+
+ PSA_ASSERT(psa_key_derivation_setup(&operation, alg));
+ PSA_ASSERT(psa_key_derivation_key_agreement(
+ &operation,
+ PSA_KEY_DERIVATION_INPUT_SECRET, our_key,
+ peer_key_data->x, peer_key_data->len));
+ if (PSA_ALG_IS_HKDF(PSA_ALG_KEY_AGREEMENT_GET_KDF(alg))) {
+ /* The test data is for info="" */
+ PSA_ASSERT(psa_key_derivation_input_bytes(&operation,
+ PSA_KEY_DERIVATION_INPUT_INFO,
+ NULL, 0));
+ }
+
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation,
+ actual_output,
+ expected_output1->len));
+ TEST_MEMORY_COMPARE(actual_output, expected_output1->len,
+ expected_output1->x, expected_output1->len);
+ if (expected_output2->len != 0) {
+ PSA_ASSERT(psa_key_derivation_output_bytes(&operation,
+ actual_output,
+ expected_output2->len));
+ TEST_MEMORY_COMPARE(actual_output, expected_output2->len,
+ expected_output2->x, expected_output2->len);
+ }
+
+exit:
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(our_key);
+ PSA_DONE();
+ mbedtls_free(actual_output);
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void generate_random(int bytes_arg)
+{
+ size_t bytes = bytes_arg;
+ unsigned char *output = NULL;
+ unsigned char *changed = NULL;
+ size_t i;
+ unsigned run;
+
+ TEST_ASSERT(bytes_arg >= 0);
+
+ TEST_CALLOC(output, bytes);
+ TEST_CALLOC(changed, bytes);
+
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Run several times, to ensure that every output byte will be
+ * nonzero at least once with overwhelming probability
+ * (2^(-8*number_of_runs)). */
+ for (run = 0; run < 10; run++) {
+ if (bytes != 0) {
+ memset(output, 0, bytes);
+ }
+ PSA_ASSERT(psa_generate_random(output, bytes));
+
+ for (i = 0; i < bytes; i++) {
+ if (output[i] != 0) {
+ ++changed[i];
+ }
+ }
+ }
+
+ /* Check that every byte was changed to nonzero at least once. This
+ * validates that psa_generate_random is overwriting every byte of
+ * the output buffer. */
+ for (i = 0; i < bytes; i++) {
+ TEST_ASSERT(changed[i] != 0);
+ }
+
+exit:
+ PSA_DONE();
+ mbedtls_free(output);
+ mbedtls_free(changed);
+}
+/* END_CASE */
+
+#if defined MBEDTLS_THREADING_PTHREAD
+
+/* BEGIN_CASE depends_on:MBEDTLS_THREADING_PTHREAD */
+void concurrently_generate_keys(int type_arg,
+ int bits_arg,
+ int usage_arg,
+ int alg_arg,
+ int expected_status_arg,
+ int is_large_key_arg,
+ int arg_thread_count,
+ int reps_arg)
+{
+ size_t thread_count = (size_t) arg_thread_count;
+ mbedtls_test_thread_t *threads = NULL;
+ generate_key_context gkc;
+ gkc.type = type_arg;
+ gkc.usage = usage_arg;
+ gkc.bits = bits_arg;
+ gkc.alg = alg_arg;
+ gkc.expected_status = expected_status_arg;
+ gkc.is_large_key = is_large_key_arg;
+ gkc.reps = reps_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, usage_arg);
+ psa_set_key_algorithm(&attributes, alg_arg);
+ psa_set_key_type(&attributes, type_arg);
+ psa_set_key_bits(&attributes, bits_arg);
+ gkc.attributes = &attributes;
+
+ TEST_CALLOC(threads, sizeof(mbedtls_test_thread_t) * thread_count);
+
+ /* Split threads to generate key then destroy key. */
+ for (size_t i = 0; i < thread_count; i++) {
+ TEST_EQUAL(
+ mbedtls_test_thread_create(&threads[i], thread_generate_key,
+ (void *) &gkc), 0);
+ }
+
+ /* Join threads. */
+ for (size_t i = 0; i < thread_count; i++) {
+ TEST_EQUAL(mbedtls_test_thread_join(&threads[i]), 0);
+ }
+
+exit:
+ mbedtls_free(threads);
+ PSA_DONE();
+}
+/* END_CASE */
+#endif
+
+/* BEGIN_CASE */
+void generate_key(int type_arg,
+ int bits_arg,
+ int usage_arg,
+ int alg_arg,
+ int expected_status_arg,
+ int is_large_key)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ psa_key_usage_t usage = usage_arg;
+ size_t bits = bits_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, type);
+ psa_set_key_bits(&attributes, bits);
+
+ /* Generate a key */
+ psa_status_t status = psa_generate_key(&attributes, &key);
+
+ if (is_large_key > 0) {
+ TEST_ASSUME(status != PSA_ERROR_INSUFFICIENT_MEMORY);
+ }
+ TEST_EQUAL(status, expected_status);
+ if (expected_status != PSA_SUCCESS) {
+ goto exit;
+ }
+
+ /* Test the key information */
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), bits);
+
+ /* Do something with the key according to its type and permitted usage. */
+ if (!mbedtls_test_psa_exercise_key(key, usage, alg, 0)) {
+ goto exit;
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void generate_key_ext(int type_arg,
+ int bits_arg,
+ int usage_arg,
+ int alg_arg,
+ int flags_arg,
+ data_t *params_data,
+ int expected_status_arg)
+{
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ psa_key_usage_t usage = usage_arg;
+ size_t bits = bits_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_status_t expected_status = expected_status_arg;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_production_parameters_t *params = NULL;
+ size_t params_data_length = 0;
+ psa_key_attributes_t got_attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_usage_flags(&attributes, usage);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, type);
+ psa_set_key_bits(&attributes, bits);
+
+ if (!setup_key_production_parameters(&params, &params_data_length,
+ flags_arg, params_data)) {
+ goto exit;
+ }
+
+ /* Generate a key */
+ psa_status_t status = psa_generate_key_ext(&attributes,
+ params, params_data_length,
+ &key);
+
+ TEST_EQUAL(status, expected_status);
+ if (expected_status != PSA_SUCCESS) {
+ goto exit;
+ }
+
+ /* Test the key information */
+ PSA_ASSERT(psa_get_key_attributes(key, &got_attributes));
+ TEST_EQUAL(psa_get_key_type(&got_attributes), type);
+ TEST_EQUAL(psa_get_key_bits(&got_attributes), bits);
+
+#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
+ if (type == PSA_KEY_TYPE_RSA_KEY_PAIR) {
+ TEST_ASSERT(rsa_test_e(key, bits, params_data));
+ }
+#endif
+
+ /* Do something with the key according to its type and permitted usage. */
+ if (!mbedtls_test_psa_exercise_key(key, usage, alg, 0)) {
+ goto exit;
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&got_attributes);
+ mbedtls_free(params);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void key_production_parameters_init()
+{
+ psa_key_production_parameters_t init = PSA_KEY_PRODUCTION_PARAMETERS_INIT;
+ psa_key_production_parameters_t zero;
+ memset(&zero, 0, sizeof(zero));
+
+ TEST_EQUAL(init.flags, 0);
+ TEST_EQUAL(zero.flags, 0);
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:MBEDTLS_PSA_CRYPTO_STORAGE_C */
+void persistent_key_load_key_from_storage(data_t *data,
+ int type_arg, int bits_arg,
+ int usage_flags_arg, int alg_arg,
+ int generation_method)
+{
+ mbedtls_svc_key_id_t key_id = mbedtls_svc_key_id_make(1, 1);
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ mbedtls_svc_key_id_t base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_type_t type = type_arg;
+ size_t bits = bits_arg;
+ psa_key_usage_t usage_flags = usage_flags_arg;
+ psa_algorithm_t alg = alg_arg;
+ psa_key_derivation_operation_t operation = PSA_KEY_DERIVATION_OPERATION_INIT;
+ unsigned char *first_export = NULL;
+ unsigned char *second_export = NULL;
+ size_t export_size = PSA_EXPORT_KEY_OUTPUT_SIZE(type, bits);
+ size_t first_exported_length = 0;
+ size_t second_exported_length;
+
+ if (usage_flags & PSA_KEY_USAGE_EXPORT) {
+ TEST_CALLOC(first_export, export_size);
+ TEST_CALLOC(second_export, export_size);
+ }
+
+ PSA_ASSERT(psa_crypto_init());
+
+ psa_set_key_id(&attributes, key_id);
+ psa_set_key_usage_flags(&attributes, usage_flags);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, type);
+ psa_set_key_bits(&attributes, bits);
+
+ switch (generation_method) {
+ case IMPORT_KEY:
+ /* Import the key */
+ PSA_ASSERT(psa_import_key(&attributes, data->x, data->len,
+ &key));
+ break;
+
+ case GENERATE_KEY:
+ /* Generate a key */
+ PSA_ASSERT(psa_generate_key(&attributes, &key));
+ break;
+
+ case DERIVE_KEY:
+#if defined(PSA_WANT_ALG_HKDF) && defined(PSA_WANT_ALG_SHA_256)
+ {
+ /* Create base key */
+ psa_algorithm_t derive_alg = PSA_ALG_HKDF(PSA_ALG_SHA_256);
+ psa_key_attributes_t base_attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_set_key_usage_flags(&base_attributes,
+ PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&base_attributes, derive_alg);
+ psa_set_key_type(&base_attributes, PSA_KEY_TYPE_DERIVE);
+ PSA_ASSERT(psa_import_key(&base_attributes,
+ data->x, data->len,
+ &base_key));
+ /* Derive a key. */
+ PSA_ASSERT(psa_key_derivation_setup(&operation, derive_alg));
+ PSA_ASSERT(psa_key_derivation_input_key(
+ &operation,
+ PSA_KEY_DERIVATION_INPUT_SECRET, base_key));
+ PSA_ASSERT(psa_key_derivation_input_bytes(
+ &operation, PSA_KEY_DERIVATION_INPUT_INFO,
+ NULL, 0));
+ PSA_ASSERT(psa_key_derivation_output_key(&attributes,
+ &operation,
+ &key));
+ PSA_ASSERT(psa_key_derivation_abort(&operation));
+ PSA_ASSERT(psa_destroy_key(base_key));
+ base_key = MBEDTLS_SVC_KEY_ID_INIT;
+ }
+#else
+ TEST_ASSUME(!"KDF not supported in this configuration");
+#endif
+ break;
+
+ default:
+ TEST_FAIL("generation_method not implemented in test");
+ break;
+ }
+ psa_reset_key_attributes(&attributes);
+
+ /* Export the key if permitted by the key policy. */
+ if (usage_flags & PSA_KEY_USAGE_EXPORT) {
+ PSA_ASSERT(psa_export_key(key,
+ first_export, export_size,
+ &first_exported_length));
+ if (generation_method == IMPORT_KEY) {
+ TEST_MEMORY_COMPARE(data->x, data->len,
+ first_export, first_exported_length);
+ }
+ }
+
+ /* Shutdown and restart */
+ PSA_ASSERT(psa_purge_key(key));
+ PSA_DONE();
+ PSA_ASSERT(psa_crypto_init());
+
+ /* Check key slot still contains key data */
+ PSA_ASSERT(psa_get_key_attributes(key, &attributes));
+ TEST_ASSERT(mbedtls_svc_key_id_equal(
+ psa_get_key_id(&attributes), key_id));
+ TEST_EQUAL(psa_get_key_lifetime(&attributes),
+ PSA_KEY_LIFETIME_PERSISTENT);
+ TEST_EQUAL(psa_get_key_type(&attributes), type);
+ TEST_EQUAL(psa_get_key_bits(&attributes), bits);
+ TEST_EQUAL(psa_get_key_usage_flags(&attributes),
+ mbedtls_test_update_key_usage_flags(usage_flags));
+ TEST_EQUAL(psa_get_key_algorithm(&attributes), alg);
+
+ /* Export the key again if permitted by the key policy. */
+ if (usage_flags & PSA_KEY_USAGE_EXPORT) {
+ PSA_ASSERT(psa_export_key(key,
+ second_export, export_size,
+ &second_exported_length));
+ TEST_MEMORY_COMPARE(first_export, first_exported_length,
+ second_export, second_exported_length);
+ }
+
+ /* Do something with the key according to its type and permitted usage. */
+ if (!mbedtls_test_psa_exercise_key(key, usage_flags, alg, 0)) {
+ goto exit;
+ }
+
+exit:
+ /*
+ * Key attributes may have been returned by psa_get_key_attributes()
+ * thus reset them as required.
+ */
+ psa_reset_key_attributes(&attributes);
+
+ mbedtls_free(first_export);
+ mbedtls_free(second_export);
+ psa_key_derivation_abort(&operation);
+ psa_destroy_key(base_key);
+ psa_destroy_key(key);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_JPAKE */
+void ecjpake_setup(int alg_arg, int key_type_pw_arg, int key_usage_pw_arg,
+ int primitive_arg, int hash_arg, int role_arg,
+ int test_input, data_t *pw_data,
+ int inj_err_type_arg,
+ int expected_error_arg)
+{
+ psa_pake_cipher_suite_t cipher_suite = psa_pake_cipher_suite_init();
+ psa_pake_operation_t operation = psa_pake_operation_init();
+ psa_algorithm_t alg = alg_arg;
+ psa_pake_primitive_t primitive = primitive_arg;
+ psa_key_type_t key_type_pw = key_type_pw_arg;
+ psa_key_usage_t key_usage_pw = key_usage_pw_arg;
+ psa_algorithm_t hash_alg = hash_arg;
+ psa_pake_role_t role = role_arg;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ ecjpake_injected_failure_t inj_err_type = inj_err_type_arg;
+ psa_status_t expected_error = expected_error_arg;
+ psa_status_t status;
+ unsigned char *output_buffer = NULL;
+ size_t output_len = 0;
+
+ PSA_INIT();
+
+ size_t buf_size = PSA_PAKE_OUTPUT_SIZE(alg, primitive_arg,
+ PSA_PAKE_STEP_KEY_SHARE);
+ TEST_CALLOC(output_buffer, buf_size);
+
+ if (pw_data->len > 0) {
+ psa_set_key_usage_flags(&attributes, key_usage_pw);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, key_type_pw);
+ PSA_ASSERT(psa_import_key(&attributes, pw_data->x, pw_data->len,
+ &key));
+ }
+
+ psa_pake_cs_set_algorithm(&cipher_suite, alg);
+ psa_pake_cs_set_primitive(&cipher_suite, primitive);
+ psa_pake_cs_set_hash(&cipher_suite, hash_alg);
+
+ PSA_ASSERT(psa_pake_abort(&operation));
+
+ if (inj_err_type == INJECT_ERR_UNINITIALIZED_ACCESS) {
+ TEST_EQUAL(psa_pake_set_user(&operation, NULL, 0),
+ expected_error);
+ PSA_ASSERT(psa_pake_abort(&operation));
+ TEST_EQUAL(psa_pake_set_peer(&operation, NULL, 0),
+ expected_error);
+ PSA_ASSERT(psa_pake_abort(&operation));
+ TEST_EQUAL(psa_pake_set_password_key(&operation, key),
+ expected_error);
+ PSA_ASSERT(psa_pake_abort(&operation));
+ TEST_EQUAL(psa_pake_set_role(&operation, role),
+ expected_error);
+ PSA_ASSERT(psa_pake_abort(&operation));
+ TEST_EQUAL(psa_pake_output(&operation, PSA_PAKE_STEP_KEY_SHARE,
+ NULL, 0, NULL),
+ expected_error);
+ PSA_ASSERT(psa_pake_abort(&operation));
+ TEST_EQUAL(psa_pake_input(&operation, PSA_PAKE_STEP_KEY_SHARE, NULL, 0),
+ expected_error);
+ PSA_ASSERT(psa_pake_abort(&operation));
+ goto exit;
+ }
+
+ status = psa_pake_setup(&operation, &cipher_suite);
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_error);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_ERR_DUPLICATE_SETUP) {
+ TEST_EQUAL(psa_pake_setup(&operation, &cipher_suite),
+ expected_error);
+ goto exit;
+ }
+
+ status = psa_pake_set_role(&operation, role);
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_error);
+ goto exit;
+ }
+
+ if (pw_data->len > 0) {
+ status = psa_pake_set_password_key(&operation, key);
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_error);
+ goto exit;
+ }
+ }
+
+ if (inj_err_type == INJECT_ERR_INVALID_USER) {
+ TEST_EQUAL(psa_pake_set_user(&operation, NULL, 0),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_ERR_INVALID_PEER) {
+ TEST_EQUAL(psa_pake_set_peer(&operation, NULL, 0),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_ERR_SET_USER) {
+ const uint8_t unsupported_id[] = "abcd";
+ TEST_EQUAL(psa_pake_set_user(&operation, unsupported_id, 4),
+ PSA_ERROR_NOT_SUPPORTED);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_ERR_SET_PEER) {
+ const uint8_t unsupported_id[] = "abcd";
+ TEST_EQUAL(psa_pake_set_peer(&operation, unsupported_id, 4),
+ PSA_ERROR_NOT_SUPPORTED);
+ goto exit;
+ }
+
+ const size_t size_key_share = PSA_PAKE_INPUT_SIZE(alg, primitive,
+ PSA_PAKE_STEP_KEY_SHARE);
+ const size_t size_zk_public = PSA_PAKE_INPUT_SIZE(alg, primitive,
+ PSA_PAKE_STEP_ZK_PUBLIC);
+ const size_t size_zk_proof = PSA_PAKE_INPUT_SIZE(alg, primitive,
+ PSA_PAKE_STEP_ZK_PROOF);
+
+ if (test_input) {
+ if (inj_err_type == INJECT_EMPTY_IO_BUFFER) {
+ TEST_EQUAL(psa_pake_input(&operation, PSA_PAKE_STEP_ZK_PROOF, NULL, 0),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_UNKNOWN_STEP) {
+ TEST_EQUAL(psa_pake_input(&operation, PSA_PAKE_STEP_ZK_PROOF + 10,
+ output_buffer, size_zk_proof),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_INVALID_FIRST_STEP) {
+ TEST_EQUAL(psa_pake_input(&operation, PSA_PAKE_STEP_ZK_PROOF,
+ output_buffer, size_zk_proof),
+ PSA_ERROR_BAD_STATE);
+ goto exit;
+ }
+
+ status = psa_pake_input(&operation, PSA_PAKE_STEP_KEY_SHARE,
+ output_buffer, size_key_share);
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_error);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_WRONG_BUFFER_SIZE) {
+ TEST_EQUAL(psa_pake_input(&operation, PSA_PAKE_STEP_ZK_PUBLIC,
+ output_buffer, size_zk_public + 1),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_VALID_OPERATION_AFTER_FAILURE) {
+ // Just trigger any kind of error. We don't care about the result here
+ psa_pake_input(&operation, PSA_PAKE_STEP_ZK_PUBLIC,
+ output_buffer, size_zk_public + 1);
+ TEST_EQUAL(psa_pake_input(&operation, PSA_PAKE_STEP_ZK_PUBLIC,
+ output_buffer, size_zk_public),
+ PSA_ERROR_BAD_STATE);
+ goto exit;
+ }
+ } else {
+ if (inj_err_type == INJECT_EMPTY_IO_BUFFER) {
+ TEST_EQUAL(psa_pake_output(&operation, PSA_PAKE_STEP_ZK_PROOF,
+ NULL, 0, NULL),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_UNKNOWN_STEP) {
+ TEST_EQUAL(psa_pake_output(&operation, PSA_PAKE_STEP_ZK_PROOF + 10,
+ output_buffer, buf_size, &output_len),
+ PSA_ERROR_INVALID_ARGUMENT);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_INVALID_FIRST_STEP) {
+ TEST_EQUAL(psa_pake_output(&operation, PSA_PAKE_STEP_ZK_PROOF,
+ output_buffer, buf_size, &output_len),
+ PSA_ERROR_BAD_STATE);
+ goto exit;
+ }
+
+ status = psa_pake_output(&operation, PSA_PAKE_STEP_KEY_SHARE,
+ output_buffer, buf_size, &output_len);
+ if (status != PSA_SUCCESS) {
+ TEST_EQUAL(status, expected_error);
+ goto exit;
+ }
+
+ TEST_ASSERT(output_len > 0);
+
+ if (inj_err_type == INJECT_WRONG_BUFFER_SIZE) {
+ TEST_EQUAL(psa_pake_output(&operation, PSA_PAKE_STEP_ZK_PUBLIC,
+ output_buffer, size_zk_public - 1, &output_len),
+ PSA_ERROR_BUFFER_TOO_SMALL);
+ goto exit;
+ }
+
+ if (inj_err_type == INJECT_VALID_OPERATION_AFTER_FAILURE) {
+ // Just trigger any kind of error. We don't care about the result here
+ psa_pake_output(&operation, PSA_PAKE_STEP_ZK_PUBLIC,
+ output_buffer, size_zk_public - 1, &output_len);
+ TEST_EQUAL(psa_pake_output(&operation, PSA_PAKE_STEP_ZK_PUBLIC,
+ output_buffer, buf_size, &output_len),
+ PSA_ERROR_BAD_STATE);
+ goto exit;
+ }
+ }
+
+exit:
+ PSA_ASSERT(psa_destroy_key(key));
+ PSA_ASSERT(psa_pake_abort(&operation));
+ mbedtls_free(output_buffer);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_JPAKE */
+void ecjpake_rounds_inject(int alg_arg, int primitive_arg, int hash_arg,
+ int client_input_first, int inject_error,
+ data_t *pw_data)
+{
+ psa_pake_cipher_suite_t cipher_suite = psa_pake_cipher_suite_init();
+ psa_pake_operation_t server = psa_pake_operation_init();
+ psa_pake_operation_t client = psa_pake_operation_init();
+ psa_algorithm_t alg = alg_arg;
+ psa_algorithm_t hash_alg = hash_arg;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+
+ PSA_INIT();
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD);
+ PSA_ASSERT(psa_import_key(&attributes, pw_data->x, pw_data->len,
+ &key));
+
+ psa_pake_cs_set_algorithm(&cipher_suite, alg);
+ psa_pake_cs_set_primitive(&cipher_suite, primitive_arg);
+ psa_pake_cs_set_hash(&cipher_suite, hash_alg);
+
+
+ PSA_ASSERT(psa_pake_setup(&server, &cipher_suite));
+ PSA_ASSERT(psa_pake_setup(&client, &cipher_suite));
+
+ PSA_ASSERT(psa_pake_set_role(&server, PSA_PAKE_ROLE_SERVER));
+ PSA_ASSERT(psa_pake_set_role(&client, PSA_PAKE_ROLE_CLIENT));
+
+ PSA_ASSERT(psa_pake_set_password_key(&server, key));
+ PSA_ASSERT(psa_pake_set_password_key(&client, key));
+
+ ecjpake_do_round(alg, primitive_arg, &server, &client,
+ client_input_first, 1, inject_error);
+
+ if (inject_error == 1 || inject_error == 2) {
+ goto exit;
+ }
+
+ ecjpake_do_round(alg, primitive_arg, &server, &client,
+ client_input_first, 2, inject_error);
+
+exit:
+ psa_destroy_key(key);
+ psa_pake_abort(&server);
+ psa_pake_abort(&client);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE depends_on:PSA_WANT_ALG_JPAKE */
+void ecjpake_rounds(int alg_arg, int primitive_arg, int hash_arg,
+ int derive_alg_arg, data_t *pw_data,
+ int client_input_first, int inj_err_type_arg)
+{
+ psa_pake_cipher_suite_t cipher_suite = psa_pake_cipher_suite_init();
+ psa_pake_operation_t server = psa_pake_operation_init();
+ psa_pake_operation_t client = psa_pake_operation_init();
+ psa_algorithm_t alg = alg_arg;
+ psa_algorithm_t hash_alg = hash_arg;
+ psa_algorithm_t derive_alg = derive_alg_arg;
+ mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
+ psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
+ psa_key_derivation_operation_t server_derive =
+ PSA_KEY_DERIVATION_OPERATION_INIT;
+ psa_key_derivation_operation_t client_derive =
+ PSA_KEY_DERIVATION_OPERATION_INIT;
+ ecjpake_injected_failure_t inj_err_type = inj_err_type_arg;
+
+ PSA_INIT();
+
+ psa_set_key_usage_flags(&attributes, PSA_KEY_USAGE_DERIVE);
+ psa_set_key_algorithm(&attributes, alg);
+ psa_set_key_type(&attributes, PSA_KEY_TYPE_PASSWORD);
+ PSA_ASSERT(psa_import_key(&attributes, pw_data->x, pw_data->len,
+ &key));
+
+ psa_pake_cs_set_algorithm(&cipher_suite, alg);
+ psa_pake_cs_set_primitive(&cipher_suite, primitive_arg);
+ psa_pake_cs_set_hash(&cipher_suite, hash_alg);
+
+ /* Get shared key */
+ PSA_ASSERT(psa_key_derivation_setup(&server_derive, derive_alg));
+ PSA_ASSERT(psa_key_derivation_setup(&client_derive, derive_alg));
+
+ if (PSA_ALG_IS_TLS12_PRF(derive_alg) ||
+ PSA_ALG_IS_TLS12_PSK_TO_MS(derive_alg)) {
+ PSA_ASSERT(psa_key_derivation_input_bytes(&server_derive,
+ PSA_KEY_DERIVATION_INPUT_SEED,
+ (const uint8_t *) "", 0));
+ PSA_ASSERT(psa_key_derivation_input_bytes(&client_derive,
+ PSA_KEY_DERIVATION_INPUT_SEED,
+ (const uint8_t *) "", 0));
+ }
+
+ PSA_ASSERT(psa_pake_setup(&server, &cipher_suite));
+ PSA_ASSERT(psa_pake_setup(&client, &cipher_suite));
+
+ PSA_ASSERT(psa_pake_set_role(&server, PSA_PAKE_ROLE_SERVER));
+ PSA_ASSERT(psa_pake_set_role(&client, PSA_PAKE_ROLE_CLIENT));
+
+ PSA_ASSERT(psa_pake_set_password_key(&server, key));
+ PSA_ASSERT(psa_pake_set_password_key(&client, key));
+
+ if (inj_err_type == INJECT_ANTICIPATE_KEY_DERIVATION_1) {
+ TEST_EQUAL(psa_pake_get_implicit_key(&server, &server_derive),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_pake_get_implicit_key(&client, &client_derive),
+ PSA_ERROR_BAD_STATE);
+ goto exit;
+ }
+
+ /* First round */
+ ecjpake_do_round(alg, primitive_arg, &server, &client,
+ client_input_first, 1, 0);
+
+ if (inj_err_type == INJECT_ANTICIPATE_KEY_DERIVATION_2) {
+ TEST_EQUAL(psa_pake_get_implicit_key(&server, &server_derive),
+ PSA_ERROR_BAD_STATE);
+ TEST_EQUAL(psa_pake_get_implicit_key(&client, &client_derive),
+ PSA_ERROR_BAD_STATE);
+ goto exit;
+ }
+
+ /* Second round */
+ ecjpake_do_round(alg, primitive_arg, &server, &client,
+ client_input_first, 2, 0);
+
+ PSA_ASSERT(psa_pake_get_implicit_key(&server, &server_derive));
+ PSA_ASSERT(psa_pake_get_implicit_key(&client, &client_derive));
+
+exit:
+ psa_key_derivation_abort(&server_derive);
+ psa_key_derivation_abort(&client_derive);
+ psa_destroy_key(key);
+ psa_pake_abort(&server);
+ psa_pake_abort(&client);
+ PSA_DONE();
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
+void ecjpake_size_macros()
+{
+ const psa_algorithm_t alg = PSA_ALG_JPAKE;
+ const size_t bits = 256;
+ const psa_pake_primitive_t prim = PSA_PAKE_PRIMITIVE(
+ PSA_PAKE_PRIMITIVE_TYPE_ECC, PSA_ECC_FAMILY_SECP_R1, bits);
+ const psa_key_type_t key_type = PSA_KEY_TYPE_ECC_KEY_PAIR(
+ PSA_ECC_FAMILY_SECP_R1);
+
+ // https://armmbed.github.io/mbed-crypto/1.1_PAKE_Extension.0-bet.0/html/pake.html#pake-step-types
+ /* The output for KEY_SHARE and ZK_PUBLIC is the same as a public key */
+ TEST_EQUAL(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_KEY_SHARE),
+ PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE(key_type, bits));
+ TEST_EQUAL(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PUBLIC),
+ PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE(key_type, bits));
+ /* The output for ZK_PROOF is the same bitsize as the curve */
+ TEST_EQUAL(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PROOF),
+ PSA_BITS_TO_BYTES(bits));
+
+ /* Input sizes are the same as output sizes */
+ TEST_EQUAL(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_KEY_SHARE),
+ PSA_PAKE_INPUT_SIZE(alg, prim, PSA_PAKE_STEP_KEY_SHARE));
+ TEST_EQUAL(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PUBLIC),
+ PSA_PAKE_INPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PUBLIC));
+ TEST_EQUAL(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PROOF),
+ PSA_PAKE_INPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PROOF));
+
+ /* These inequalities will always hold even when other PAKEs are added */
+ TEST_LE_U(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_KEY_SHARE),
+ PSA_PAKE_OUTPUT_MAX_SIZE);
+ TEST_LE_U(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PUBLIC),
+ PSA_PAKE_OUTPUT_MAX_SIZE);
+ TEST_LE_U(PSA_PAKE_OUTPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PROOF),
+ PSA_PAKE_OUTPUT_MAX_SIZE);
+ TEST_LE_U(PSA_PAKE_INPUT_SIZE(alg, prim, PSA_PAKE_STEP_KEY_SHARE),
+ PSA_PAKE_INPUT_MAX_SIZE);
+ TEST_LE_U(PSA_PAKE_INPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PUBLIC),
+ PSA_PAKE_INPUT_MAX_SIZE);
+ TEST_LE_U(PSA_PAKE_INPUT_SIZE(alg, prim, PSA_PAKE_STEP_ZK_PROOF),
+ PSA_PAKE_INPUT_MAX_SIZE);
+}
+/* END_CASE */
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-29 18:14:53 +0000