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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_ecdh.h"
#include "nx_crypto_method_self_test.h"
#ifndef NX_CRYPTO_STANDALONE_ENABLE
#include "nx_secure_tls.h"
#endif
#include "tls_test_utility.h"
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_ecdh;
extern NX_CRYPTO_CONST NX_CRYPTO_EC _nx_crypto_ec_secp192r1;
static UCHAR shared_secret[128];
static NX_CRYPTO_ECDH ecdh;
static NX_CRYPTO_ECDH ecdh_a, ecdh_b;
static UCHAR pubkey_a[256];
static UCHAR pubkey_b[256];
static UCHAR shared_secret_a[128];
static UCHAR shared_secret_b[128];
static NX_CRYPTO_METHOD *ecs[5] = {
&crypto_method_ec_secp192,
&crypto_method_ec_secp224,
&crypto_method_ec_secp256,
&crypto_method_ec_secp384,
&crypto_method_ec_secp521
};
#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)
{
if (!count)
return 233;
count--;
return _nx_crypto_method_ecdh_init(method, key, key_size_in_bits, handler, crypto_metadata, crypto_metadata_size);
}
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_ecdh_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))
{
if (!count)
return 0;
count--;
return _nx_crypto_method_ecdh_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_0(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)
{
((NX_CRYPTO_EXTENDED_OUTPUT *)output) -> nx_crypto_extended_output_actual_size = 0;
return 0;
}
count--;
return _nx_crypto_method_ecdh_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_cleanup_failed(VOID *crypto_metadata)
{
return 233;
}
#ifdef CTEST
void test_application_define(void *first_unused_memory);
void test_application_define(void *first_unused_memory)
#else
void nx_secure_ecdh_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, status;
UINT pubk_len;
UINT shared_secret_len;
NX_CRYPTO_METHOD *curve_method, test_method;
UINT clen;
NX_CRYPTO_EXTENDED_OUTPUT extended_output;
/* Print out test information banner. */
printf("NetX Secure Test: ECDH Error Checking Test...........................");
/* NULL method pointer. */
status = _nx_crypto_method_ecdh_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_ecdh_init(&crypto_method_ecdh, 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_ecdh_init(&crypto_method_ecdh, 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_ecdh_init(&crypto_method_ecdh, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, &ecdh, 0);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* NULL metadata pointer. */
status = _nx_crypto_method_ecdh_cleanup(NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
/* NULL method pointer. */
status = _nx_crypto_method_ecdh_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_ecdh_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* 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_ecdh_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* 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 address is not 4-byte aligned. */
status = _nx_crypto_method_ecdh_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
/* Invalid operation. */
status = crypto_method_ec_secp521.nx_crypto_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* Invalid operation. */
status = crypto_method_ec_secp384.nx_crypto_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* Invalid operation. */
status = crypto_method_ec_secp256.nx_crypto_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* Invalid operation. */
status = crypto_method_ec_secp224.nx_crypto_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* Invalid operation. */
status = crypto_method_ec_secp192.nx_crypto_operation(0, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, 0, /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* Output buffer size is not enough. */
status = _nx_crypto_ec_key_pair_stream_generate((NX_CRYPTO_EC *)&_nx_crypto_ec_secp192r1, NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SIZE_ERROR, status);
/* NX_CRYPTO_EC_KEY_PAIR_GENERATE NULL curve pointer. */
ecdh.nx_crypto_ecdh_curve = NX_CRYPTO_NULL;
status = _nx_crypto_method_ecdh_operation(NX_CRYPTO_EC_KEY_PAIR_GENERATE, NX_CRYPTO_NULL,
&crypto_method_ecdh, /* method */
NX_CRYPTO_NULL, 0, /* key */
NX_CRYPTO_NULL, 0, /* input */
NX_CRYPTO_NULL, /* iv */
NX_CRYPTO_NULL, 0, /* output */
&ecdh, sizeof(ecdh), /* crypto_metadata */
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_PTR_ERROR, status);
#ifndef NX_CRYPTO_ECC_DISABLE_KEY_VALIDATION
/* Invalid public key tests. */
for (i = 0; i < (sizeof(ecs) / sizeof(NX_CRYPTO_METHOD *)); i++)
{
memset(pubkey_a, 0, sizeof(pubkey_a));
memset(pubkey_b, 0, sizeof(pubkey_b));
memset(shared_secret_a, 0, sizeof(shared_secret_a));
memset(shared_secret_b, 0, sizeof(shared_secret_b));
memset(&ecdh_a, 0, sizeof(ecdh_a));
memset(&ecdh_b, 0, sizeof(ecdh_b));
curve_method = ecs[i % 5];
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_EC_CURVE_SET, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
(UCHAR *)curve_method, sizeof(NX_CRYPTO_METHOD *), NX_CRYPTO_NULL,
NX_CRYPTO_NULL, 0,
&ecdh_a, sizeof(ecdh_a),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_EC_CURVE_SET, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
(UCHAR *)curve_method, sizeof(NX_CRYPTO_METHOD *), NX_CRYPTO_NULL,
NX_CRYPTO_NULL, 0,
&ecdh_b, sizeof(ecdh_b),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
extended_output.nx_crypto_extended_output_data = pubkey_a;
extended_output.nx_crypto_extended_output_length_in_byte = sizeof(pubkey_a);
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_DH_SETUP, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL,
(UCHAR *)&extended_output, sizeof(extended_output),
&ecdh_a, sizeof(ecdh_a),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
pubk_len = extended_output.nx_crypto_extended_output_actual_size;
extended_output.nx_crypto_extended_output_data = pubkey_b;
extended_output.nx_crypto_extended_output_length_in_byte = sizeof(pubkey_b);
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_DH_SETUP, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
NX_CRYPTO_NULL, 0, NX_CRYPTO_NULL,
(UCHAR *)&extended_output, sizeof(extended_output),
&ecdh_b, sizeof(ecdh_b),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
EXPECT_EQ(pubk_len, extended_output.nx_crypto_extended_output_actual_size);
extended_output.nx_crypto_extended_output_data = shared_secret_b;
extended_output.nx_crypto_extended_output_length_in_byte = sizeof(shared_secret_b);
/* Test of point not on the curve */
pubkey_a[1]--;
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_DH_CALCULATE, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
pubkey_a, pubk_len, NX_CRYPTO_NULL,
(UCHAR *)&extended_output, sizeof(extended_output),
&ecdh_b, sizeof(ecdh_b),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_INVALID_KEY, status);
/* Test of yQ out of range */
NX_CRYPTO_MEMSET(&pubkey_a[1 + (pubk_len - 1) / 2], 0xFF, (pubk_len - 1) / 2);
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_DH_CALCULATE, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
pubkey_a, pubk_len, NX_CRYPTO_NULL,
(UCHAR *)&extended_output, sizeof(extended_output),
&ecdh_b, sizeof(ecdh_b),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_INVALID_KEY, status);
/* Test of xQ out of range */
NX_CRYPTO_MEMSET(&pubkey_a[1], 0xFF, (pubk_len - 1) / 2);
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_DH_CALCULATE, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
pubkey_a, pubk_len, NX_CRYPTO_NULL,
(UCHAR *)&extended_output, sizeof(extended_output),
&ecdh_b, sizeof(ecdh_b),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_INVALID_KEY, status);
/* Test of point at infinity */
NX_CRYPTO_MEMSET(&pubkey_a[1], 0, pubk_len - 1);
status = crypto_method_ecdh.nx_crypto_operation(NX_CRYPTO_DH_CALCULATE, NX_CRYPTO_NULL,
&crypto_method_ecdh, NX_CRYPTO_NULL, 0,
pubkey_a, pubk_len, NX_CRYPTO_NULL,
(UCHAR *)&extended_output, sizeof(extended_output),
&ecdh_b, sizeof(ecdh_b),
NX_CRYPTO_NULL, NX_CRYPTO_NULL);
EXPECT_EQ(NX_CRYPTO_INVALID_KEY, status);
}
#endif
#ifdef NX_CRYPTO_SELF_TEST
/* Tests for _nx_crypto_method_self_test_ecdh. */
/* NULL method pointer. */
status = _nx_crypto_method_self_test_ecdh(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_ecdh(&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_ecdh(&test_method, NX_CRYPTO_NULL, 0);
EXPECT_EQ(233, status);
/* nx_crypto_operation failed. */
test_method.nx_crypto_init = NX_CRYPTO_NULL;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
status = _nx_crypto_method_self_test_ecdh(&test_method, NX_CRYPTO_NULL, 0);
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_EC_CURVE_SET failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 1;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_DH_CALCULATE failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 2;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* nx_crypto_cleanup is NULL. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_cleanup = NX_CRYPTO_NULL;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
/* nx_crypto_cleanup failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_cleanup = test_nx_crypto_cleanup_failed;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* nx_crypto_init failed at the second time. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_init = test_nx_crypto_init_failed;
count = 1;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_EC_CURVE_SET failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 3;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_DH_KEY_PAIR_IMPORT failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 4;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* nx_crypto_operation NX_CRYPTO_DH_CALCULATE failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_failed;
count = 5;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(233, status);
/* Output validation failed. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_succeed;
count = 5;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* Output size is invalid. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_operation = test_nx_crypto_operation_succeed_0;
count = 5;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(NX_CRYPTO_NOT_SUCCESSFUL, status);
/* nx_crypto_init is NULL. */
test_method = crypto_method_ecdh;
test_method.nx_crypto_init = NX_CRYPTO_NULL;
status = _nx_crypto_method_self_test_ecdh(&test_method, &ecdh, sizeof(ecdh));
EXPECT_EQ(NX_CRYPTO_SUCCESS, status);
#endif /* NX_CRYPTO_SELF_TEST */
printf("SUCCESS!\n");
test_control_return(0);
}
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