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/***************************************************************************/
/* Copyright (c) 2024 Microsoft Corporation */
/* Copyright (c) 2026 Eclipse ThreadX contributors */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the MIT License which is available at */
/* https://opensource.org/licenses/MIT. */
/* */
/* SPDX-License-Identifier: MIT */
/***************************************************************************/
#include <stdio.h>
#include <time.h>
#include "nx_crypto_aes.h"
#include "tls_test_utility.h"
#ifndef NX_CRYPTO_STANDALONE_ENABLE
#include "nx_secure_tls.h"
#endif
#define MAXIMUM_KEY_BITS 256
#define TEST_ADDITIONAL_DATA_LENGTH 8
#define TEST_DATA_LENGTH 48
#define TEST_MAXIMUM_TAG_LENGTH 32
#include "nx_secure_aes_ccm_test_data.c"
/* Define software AES method. */
NX_CRYPTO_METHOD test_crypto_method_aes_ccm =
{
0, /* AES crypto algorithm filled at runtime */
0, /* Key size in bits */
NX_CRYPTO_AES_IV_LEN_IN_BITS, /* IV size in bits */
0, /* ICV size in bits, not used. */
NX_CRYPTO_AES_BLOCK_SIZE_IN_BITS, /* Block size in bytes. */
sizeof(NX_CRYPTO_AES), /* Metadata size in bytes */
_nx_crypto_method_aes_init, /* AES initialization routine. */
NX_CRYPTO_NULL, /* AES cleanup routine, not used. */
_nx_crypto_method_aes_operation /* AES operation */
};
/* AES context. */
static NX_CRYPTO_AES aes_ctx;
/* Input to hold plain plus nonce. */
static ULONG key[(MAXIMUM_KEY_BITS >> 5) + 1];
/* IV. */
static ULONG iv[4];
/* Output. */
static ULONG output[(TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH + TEST_MAXIMUM_TAG_LENGTH) >> 2];
/* Buffer for packet chain tests. */
static UCHAR plain_text_buffer[TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH];
static UCHAR cipher_text_and_tag_buffer[TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH + TEST_MAXIMUM_TAG_LENGTH];
#ifndef NX_CRYPTO_STANDALONE_ENABLE
static TX_THREAD thread_0;
#endif
static VOID thread_0_entry(ULONG thread_input);
#ifdef CTEST
void test_application_define(void *first_unused_memory);
void test_application_define(void *first_unused_memory)
#else
void nx_secure_aes_ccm_test_application_define(void *first_unused_memory)
#endif
{
#ifndef NX_CRYPTO_STANDALONE_ENABLE
tx_thread_create(&thread_0, "Thread 0", thread_0_entry, 0,
first_unused_memory, 4096,
16, 16, 4, TX_AUTO_START);
#else
thread_0_entry(0);
#endif
}
static VOID thread_0_entry(ULONG thread_input)
{
UINT status, i, j, offset = 0;
UINT data_len = 0, additional_len = 0;
NX_CRYPTO_EXTENDED_OUTPUT extended_output;
/* Print out test information banner. */
printf("NetX Secure Test: AES CCM Test.......................................");
for (i = 0; i < sizeof(aes_ccm_data) / sizeof(AES_DATA); i++)
{
/* Encryption. */
memset(output, 0xFF, sizeof(output));
memcpy(key, aes_ccm_data[i].key, aes_ccm_data[i].key_len);
memcpy(iv, aes_ccm_data[i].iv, sizeof(iv));
if (aes_ccm_data[i].algorithm == NX_CRYPTO_ENCRYPTION_AES_CCM_8)
{
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits = 64;
}
else if (aes_ccm_data[i].algorithm == NX_CRYPTO_ENCRYPTION_AES_CCM_12)
{
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits = 96;
}
else if (aes_ccm_data[i].algorithm == NX_CRYPTO_ENCRYPTION_AES_CCM_16)
{
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits = 128;
}
/* Set crypto algorithm. */
test_crypto_method_aes_ccm.nx_crypto_algorithm = aes_ccm_data[i].algorithm;
test_crypto_method_aes_ccm.nx_crypto_init(&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
NX_CRYPTO_NULL,
&aes_ctx,
sizeof(aes_ctx));
/* Encryption. */
data_len = ((UCHAR *)iv)[10];
additional_len = aes_ccm_data[i].plain_len - data_len;
memcpy(output, aes_ccm_data[i].plain, additional_len);
/* Set additional data pointer and length. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_SET_ADDITIONAL_DATA,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
aes_ccm_data[i].plain,
additional_len,
(UCHAR *)iv,
(UCHAR *)output,
sizeof(output),
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
aes_ccm_data[i].plain + additional_len,
data_len,
(UCHAR *)iv,
(UCHAR *)output + additional_len,
sizeof(output) - additional_len,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(0, memcmp(output, aes_ccm_data[i].secret, aes_ccm_data[i].secret_len));
((UCHAR*)iv)[10] = data_len + (test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits >> 3);
/* Decryption. */
data_len = ((UCHAR *)iv)[10];
additional_len = aes_ccm_data[i].secret_len - data_len;
memcpy(output, aes_ccm_data[i].secret, additional_len);
/* Set additional data pointer and length. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_SET_ADDITIONAL_DATA,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
aes_ccm_data[i].secret,
additional_len,
(UCHAR *)iv,
(UCHAR *)output,
sizeof(output),
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
status = test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_DECRYPT,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
aes_ccm_data[i].secret + additional_len,
data_len,
(UCHAR *)iv,
(UCHAR *)output + additional_len,
sizeof(output) - additional_len,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(0, memcmp(output, aes_ccm_data[i].plain, aes_ccm_data[i].plain_len));
EXPECT_EQ(0, status);
}
/* Set randam seed for generating test data. */
srand(time(NULL));
/* Tests for filling input encryption and decryption in several updates. */
for (i = 0; i < sizeof(aes_ccm_data) / sizeof(AES_DATA); i++)
{
memcpy(key, aes_ccm_data[i].key, aes_ccm_data[i].key_len);
memcpy(iv, aes_ccm_data[i].iv, sizeof(iv));
if (aes_ccm_data[i].algorithm == NX_CRYPTO_ENCRYPTION_AES_CCM_8)
{
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits = 64;
}
else if (aes_ccm_data[i].algorithm == NX_CRYPTO_ENCRYPTION_AES_CCM_12)
{
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits = 96;
}
else if (aes_ccm_data[i].algorithm == NX_CRYPTO_ENCRYPTION_AES_CCM_16)
{
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits = 128;
}
/* Set crypto algorithm. */
test_crypto_method_aes_ccm.nx_crypto_algorithm = aes_ccm_data[i].algorithm;
/* Generate test data. */
for (j = 0; j < TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH; j++)
{
plain_text_buffer[j] = (UCHAR)rand();
}
((UCHAR *)iv)[10] = TEST_DATA_LENGTH;
test_crypto_method_aes_ccm.nx_crypto_init(&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
NX_CRYPTO_NULL,
&aes_ctx,
sizeof(aes_ctx));
memcpy(cipher_text_and_tag_buffer, plain_text_buffer, TEST_ADDITIONAL_DATA_LENGTH);
/* Set additional data pointer and length. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_SET_ADDITIONAL_DATA,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
plain_text_buffer,
TEST_ADDITIONAL_DATA_LENGTH,
(UCHAR *)iv,
(UCHAR *)cipher_text_and_tag_buffer,
sizeof(cipher_text_and_tag_buffer),
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Encrypt data in plain_text_buffer by verified crypto_method. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
&plain_text_buffer[TEST_ADDITIONAL_DATA_LENGTH],
TEST_DATA_LENGTH,
(UCHAR *)iv,
&cipher_text_and_tag_buffer[TEST_ADDITIONAL_DATA_LENGTH],
sizeof(cipher_text_and_tag_buffer) - TEST_ADDITIONAL_DATA_LENGTH,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Data generation finished. */
/* Tests for updating input in several time. */
/* Encryption. */
memset(output, 0xFF, sizeof(output));
test_crypto_method_aes_ccm.nx_crypto_init(&test_crypto_method_aes_ccm,
(UCHAR *)key,
(aes_ccm_data[i].key_len << 3),
NX_CRYPTO_NULL,
&aes_ctx,
sizeof(aes_ctx));
memcpy(output, plain_text_buffer, TEST_ADDITIONAL_DATA_LENGTH);
/* Set additional data pointer and length. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT_INITIALIZE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
plain_text_buffer,
TEST_ADDITIONAL_DATA_LENGTH,
(UCHAR *)iv,
NX_CRYPTO_NULL,
TEST_DATA_LENGTH,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Update one block of plain text. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT_UPDATE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
plain_text_buffer + TEST_ADDITIONAL_DATA_LENGTH,
NX_CRYPTO_AES_BLOCK_SIZE,
NX_CRYPTO_NULL,
(UCHAR *)output + TEST_ADDITIONAL_DATA_LENGTH,
sizeof(output) - TEST_ADDITIONAL_DATA_LENGTH,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Update the rest of plain text. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT_UPDATE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
plain_text_buffer + TEST_ADDITIONAL_DATA_LENGTH + NX_CRYPTO_AES_BLOCK_SIZE,
TEST_DATA_LENGTH - NX_CRYPTO_AES_BLOCK_SIZE,
NX_CRYPTO_NULL,
(UCHAR *)output + TEST_ADDITIONAL_DATA_LENGTH + NX_CRYPTO_AES_BLOCK_SIZE,
sizeof(output) - TEST_ADDITIONAL_DATA_LENGTH - NX_CRYPTO_AES_BLOCK_SIZE,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Calculate the tag. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT_CALCULATE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
NX_CRYPTO_NULL,
0,
NX_CRYPTO_NULL,
(UCHAR *)output + TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH,
sizeof(output) - TEST_ADDITIONAL_DATA_LENGTH - TEST_DATA_LENGTH,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Verify the cipher text and tag. */
EXPECT_EQ(0, memcmp(output, cipher_text_and_tag_buffer, TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH + (test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits >> 3)));
/* Decryption. */
memset(output, 0xFF, sizeof(output));
((UCHAR *)iv)[10] = TEST_DATA_LENGTH;
memcpy(output, cipher_text_and_tag_buffer, TEST_ADDITIONAL_DATA_LENGTH);
/* Set additional data pointer and length. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_ENCRYPT_INITIALIZE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
cipher_text_and_tag_buffer,
TEST_ADDITIONAL_DATA_LENGTH,
(UCHAR *)iv,
NX_CRYPTO_NULL,
TEST_DATA_LENGTH,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Update one block of cipher text. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_DECRYPT_UPDATE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
&cipher_text_and_tag_buffer[TEST_ADDITIONAL_DATA_LENGTH],
NX_CRYPTO_AES_BLOCK_SIZE,
NX_CRYPTO_NULL,
(UCHAR *)output + TEST_ADDITIONAL_DATA_LENGTH,
sizeof(output) - TEST_ADDITIONAL_DATA_LENGTH,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
/* Update the rest of cipher text. */
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_DECRYPT_UPDATE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
&cipher_text_and_tag_buffer[TEST_ADDITIONAL_DATA_LENGTH + NX_CRYPTO_AES_BLOCK_SIZE],
TEST_DATA_LENGTH - NX_CRYPTO_AES_BLOCK_SIZE,
NX_CRYPTO_NULL,
(UCHAR *)output + TEST_ADDITIONAL_DATA_LENGTH + NX_CRYPTO_AES_BLOCK_SIZE,
sizeof(output) - TEST_ADDITIONAL_DATA_LENGTH - NX_CRYPTO_AES_BLOCK_SIZE,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(0, memcmp(output, plain_text_buffer, TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH));
/* Validate the tag. */
status =
test_crypto_method_aes_ccm.nx_crypto_operation(NX_CRYPTO_DECRYPT_CALCULATE,
NX_CRYPTO_NULL,
&test_crypto_method_aes_ccm,
NX_CRYPTO_NULL,
0,
&cipher_text_and_tag_buffer[TEST_ADDITIONAL_DATA_LENGTH + TEST_DATA_LENGTH],
test_crypto_method_aes_ccm.nx_crypto_ICV_size_in_bits << 3,
NX_CRYPTO_NULL,
NX_CRYPTO_NULL,
0,
&aes_ctx,
sizeof(aes_ctx),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(0, status);
}
printf("SUCCESS!\n");
test_control_return(0);
}
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