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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 "nx_crypto_ecdsa.h"
#include "nx_crypto_ec.h"
#include "nx_crypto_method_self_test.h"
#ifndef NX_CRYPTO_STANDALONE_ENABLE
#include "nx_secure_tls.h"
#endif
#include "tls_test_utility.h"
#define LOOP 100
extern NX_CRYPTO_METHOD crypto_method_ec_secp192;
extern NX_CRYPTO_METHOD crypto_method_ec_secp224;
extern NX_CRYPTO_METHOD crypto_method_ec_secp256;
extern NX_CRYPTO_METHOD crypto_method_ec_secp384;
extern NX_CRYPTO_METHOD crypto_method_ec_secp521;
extern NX_CRYPTO_METHOD crypto_method_ecdsa;
extern NX_CRYPTO_CONST NX_CRYPTO_EC _nx_crypto_ec_secp521r1;
static UCHAR scratch_buffer[4000];
static NX_CRYPTO_ECDSA ecdsa;
static UCHAR hash_data[80];
static UCHAR signature[256];
#ifndef NX_CRYPTO_STANDALONE_ENABLE
static TX_THREAD thread_0;
#endif
static VOID thread_0_entry(ULONG thread_input);
static UINT count = 0;
static UINT test_nx_crypto_init_failed(NX_CRYPTO_METHOD *method, UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits, VOID **handler, VOID *crypto_metadata, ULONG crypto_metadata_size)
{
return 233;
}
static UINT test_nx_crypto_operation_failed(UINT op, VOID *handler, struct NX_CRYPTO_METHOD_STRUCT *method, UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits, UCHAR *input, ULONG input_length_in_byte, UCHAR *iv_ptr, UCHAR *output, ULONG output_length_in_byte, VOID *crypto_metadata, ULONG crypto_metadata_size, VOID *packet_ptr, VOID (*nx_crypto_hw_process_callback)(VOID *packet_ptr, UINT status))
{
if (!count)
return 233;
count--;
return _nx_crypto_method_ecdsa_operation(op, handler, method, key, key_size_in_bits, input, input_length_in_byte, iv_ptr, output, output_length_in_byte, crypto_metadata, crypto_metadata_size, NX_CRYPTO_NULL, NX_CRYPTO_NULL);
}
static UINT test_nx_crypto_operation_succeed(UINT op, VOID *handler, struct NX_CRYPTO_METHOD_STRUCT *method, UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits, UCHAR *input, ULONG input_length_in_byte, UCHAR *iv_ptr, UCHAR *output, ULONG output_length_in_byte, VOID *crypto_metadata, ULONG crypto_metadata_size, VOID *packet_ptr, VOID (*nx_crypto_hw_process_callback)(VOID *packet_ptr, UINT status))
{
return 0;
}
#ifdef CTEST
void test_application_define(void *first_unused_memory);
void test_application_define(void *first_unused_memory)
#else
void nx_secure_ecdsa_error_checking_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 i, j, status, backup;
NX_CRYPTO_HUGE_NUMBER private_key;
NX_CRYPTO_EC_POINT public_key;
UCHAR *privkey;
UCHAR *pubkey;
UINT pubkey_length;
NX_CRYPTO_EC *curve;
UINT buffer_size;
ULONG signature_length;
HN_UBASE *scratch;
NX_CRYPTO_METHOD *curve_method, test_method;
VOID *handler = NX_CRYPTO_NULL;
/* Print out test information banner. */
printf("NetX Secure Test: ECDSA Error Checking Test..........................");
/* NULL method pointer. */
status = _nx_crypto_method_ecdsa_init(NX_CRYPTO_NULL, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, NX_CRYPTO_NULL, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* NULL metadata pointer. */
status = _nx_crypto_method_ecdsa_init(&crypto_method_ec_secp521, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, NX_CRYPTO_NULL, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* Metadata address is not 4-byte aligned. */
status = _nx_crypto_method_ecdsa_init(&crypto_method_ec_secp521, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, (VOID *)0x03, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* Metadata size is not enough. */
status = _nx_crypto_method_ecdsa_init(&crypto_method_ec_secp521, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, (VOID *)0x04, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* NULL metadata pointer. */
status = _nx_crypto_method_ecdsa_cleanup(NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
/* NULL method pointer. */
status = _nx_crypto_method_ecdsa_operation(0, NX_CRYPTO_NULL,
NX_CRYPTO_NULL, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
NX_CRYPTO_NULL, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* NULL metadata pointer. */
status = _nx_crypto_method_ecdsa_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
NX_CRYPTO_NULL, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* Metadata address is not 4-byte aligned. */
status = _nx_crypto_method_ecdsa_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
(VOID *)0x03, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* Metadata size is not enough. */
status = _nx_crypto_method_ecdsa_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
(VOID *)0x04, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* op == NX_CRYPTO_EC_CURVE_SET && input -> nx_crypto_operation failed. */
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
status = _nx_crypto_method_ecdsa_operation(NX_CRYPTO_EC_CURVE_SET, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
(UCHAR *)&test_method, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdsa, sizeof(ecdsa), /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(233, status);
/* op == NX_CRYPTO_AUTHENTICATE && key == NULL. */
status = _nx_crypto_method_ecdsa_operation(NX_CRYPTO_AUTHENTICATE, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
(UCHAR *)&test_method, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdsa, sizeof(ecdsa), /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* op == NX_CRYPTO_VERIFY && key == NULL. */
status = _nx_crypto_method_ecdsa_operation(NX_CRYPTO_VERIFY, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
(UCHAR *)&test_method, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdsa, sizeof(ecdsa), /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* op == NX_CRYPTO_EC_KEY_PAIR_GENERATE && ecdsa -> nx_crypto_ecdsa_curve == NX_CRYPTO_NULL. */
ecdsa.nx_crypto_ecdsa_curve = NX_CRYPTO_NULL;
status = _nx_crypto_method_ecdsa_operation(NX_CRYPTO_EC_KEY_PAIR_GENERATE, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
(UCHAR *)&test_method, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdsa, sizeof(ecdsa), /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* Invalid op. */
status = _nx_crypto_method_ecdsa_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdsa, /* method */
NX_CRYPTO_NULL, 0, /* key */
(UCHAR *)&test_method, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdsa, sizeof(ecdsa), /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* signature_length < curve_size. */
status = _nx_crypto_ecdsa_sign((NX_CRYPTO_EC *)&_nx_crypto_ec_secp521r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SIZE_ERROR, status);
/* private_key_length < buffer_size. */
status = _nx_crypto_ecdsa_sign((NX_CRYPTO_EC *)&_nx_crypto_ec_secp521r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, (UINT)-1, NX_CRYPTO_NULL, (UINT)-1, NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SIZE_ERROR, status);
/* public_key_length > 1 + buffer_size << 1. */
status = _nx_crypto_ecdsa_verify((NX_CRYPTO_EC *)&_nx_crypto_ec_secp521r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, (UINT)-1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SIZE_ERROR, status);
/* signature[0] != 0x30. */
signature[0] = 0;
status = _nx_crypto_ecdsa_verify((NX_CRYPTO_EC *)&_nx_crypto_ec_secp521r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, 0, signature, 0, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_AUTHENTICATION_FAILED, status);
/* signature[1] == 0x80 && signature_length < signature[2] + 3. */
signature[0] = 0x30;
signature[1] = 0x80;
signature[2] = 0;
status = _nx_crypto_ecdsa_verify((NX_CRYPTO_EC *)&_nx_crypto_ec_secp521r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, 0, signature, 0, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SIZE_ERROR, status);
/* signature[1] != 0x80 && signature_length < signature[1] + 2. */
signature[0] = 0x30;
signature[1] = 0;
status = _nx_crypto_ecdsa_verify((NX_CRYPTO_EC *)&_nx_crypto_ec_secp521r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, 0, signature, 0, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SIZE_ERROR, status);
/* For NX_CRYPTO_STATE_CHECK. */
#ifdef NX_CRYPTO_SELF_TEST
backup = _nx_crypto_library_state;
_nx_crypto_library_state = 0;
status = _nx_crypto_method_ecdsa_init(NX_CRYPTO_NULL, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, NX_CRYPTO_NULL, 0);
EXPECT_EQ(NX_CRYPTO_INVALID_LIBRARY, status);
status = _nx_crypto_method_ecdsa_cleanup(NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_INVALID_LIBRARY, status);
status = _nx_crypto_method_ecdsa_operation(0, NX_CRYPTO_NULL,
NX_CRYPTO_NULL, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
NX_CRYPTO_NULL, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_INVALID_LIBRARY, status);
_nx_crypto_library_state = backup;
/* Tests for _nx_crypto_method_self_test_ecdsa. */
/* NULL method pointer. */
status = _nx_crypto_method_self_test_ecdsa(NX_CRYPTO_NULL, NX_CRYPTO_NULL, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* nx_crypto_init and nx_crypto_operation are both NULL. */
test_method.nx_crypto_init = NX_CRYPTO_NULL;
test_method.nx_crypto_operation = NX_CRYPTO_NULL;
status = _nx_crypto_method_self_test_ecdsa(&test_method, NX_CRYPTO_NULL, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* nx_crypto_init failed. */
test_method.nx_crypto_init = test_nx_crypto_init_failed;
status = _nx_crypto_method_self_test_ecdsa(&test_method, NX_CRYPTO_NULL, 0);
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_AUTHENTICATE failed. */
test_method = crypto_method_ecdsa;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
status = _nx_crypto_method_self_test_ecdsa(&test_method, &ecdsa, sizeof(ecdsa));
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_EC_CURVE_GET failed. */
test_method = crypto_method_ecdsa;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 1;
status = _nx_crypto_method_self_test_ecdsa(&test_method, &ecdsa, sizeof(ecdsa));
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_VERIFY failed. */
test_method = crypto_method_ecdsa;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 2;
status = _nx_crypto_method_self_test_ecdsa(&test_method, &ecdsa, sizeof(ecdsa));
EXPECT_EQ(233, status);
/* nx_crypto_cleanup is NULL. */
test_method = crypto_method_ecdsa;
test_method.nx_crypto_cleanup = NX_CRYPTO_NULL;
status = _nx_crypto_method_self_test_ecdsa(&test_method, &ecdsa, sizeof(ecdsa));
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
/* curve_method -> nx_crypto_operation failed. */
test_method.nx_crypto_init = NX_CRYPTO_NULL;
status = _nx_crypto_method_self_test_ecdsa(&test_method, NX_CRYPTO_NULL, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
#endif /* NX_CRYPTO_SELF_TEST */
printf("SUCCESS!\n");
test_control_return(0);
}
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