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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_secure_tls_api.h"
#include "nx_crypto.h"
#include "tls_test_utility.h"
#include "nx_secure_tls_test_init_functions.h"
extern void test_control_return(UINT status);
static NX_SECURE_TLS_SESSION client_tls_session;
static NX_PACKET_POOL pool_0;
#define NX_PACKET_POOL_BYTES ((128 + sizeof(NX_PACKET)) * 3)
void NX_Secure_TLS_verify_mac_coverage();
/* Test cases all taken from RFC 4231. Relevant section numbers included in comments. */
#ifdef CTEST
void test_application_define(void *first_unused_memory);
void test_application_define(void *first_unused_memory)
#else
void nx_secure_tls_verify_mac_test_application_define(void *first_unused_memory)
#endif
{
CHAR* pointer;
UINT status;
pointer = (CHAR*)first_unused_memory;
status = nx_packet_pool_create(&pool_0, "NetX Main Packet Pool", 128, pointer, NX_PACKET_POOL_BYTES);
/* Print out test information banner. */
printf("NetX Secure Test: TLS verify mac Test................................");
NX_Secure_TLS_verify_mac_coverage();
printf("SUCCESS!\n");
test_control_return(0);
}
extern NX_CRYPTO_METHOD crypto_method_sha256;
extern NX_SECURE_TLS_CRYPTO nx_crypto_tls_ciphers;
extern NX_SECURE_TLS_CIPHERSUITE_INFO _nx_crypto_ciphersuite_lookup_table[];
TEST(NX_Secure_TLS, verify_mac_coverage)
{
UINT status;
int hash_size;
UINT length = 0;
NX_PACKET *send_packet;
NX_PACKET *receive_packet;
UCHAR receive_buffer[10];
nx_packet_allocate(&pool_0, &send_packet, 0, NX_WAIT_FOREVER);
/* Invalid hash size. */
length = 0;
nx_secure_tls_test_init_functions(&client_tls_session);
/* Test Line 102 */
client_tls_session.nx_secure_tls_session_ciphersuite = NX_NULL;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_UNKNOWN_CIPHERSUITE, status);
/* Set up the correct ciphersuite and crypto table. */
#ifdef NX_SECURE_DISABLE_X509
client_tls_session.nx_secure_tls_session_ciphersuite = &_nx_crypto_ciphersuite_lookup_table[0];
#else
client_tls_session.nx_secure_tls_session_ciphersuite = &_nx_crypto_ciphersuite_lookup_table[3];
#endif
client_tls_session.nx_secure_tls_crypto_table = &nx_crypto_tls_ciphers;
/* Test Line 124 */
hash_size = client_tls_session.nx_secure_tls_session_ciphersuite -> nx_secure_tls_hash_size;
receive_buffer[0] = NX_SECURE_TLS_APPLICATION_DATA;
length = hash_size;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SUCCESS, status);
length = 0;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_HASH_MAC_VERIFY_FAILURE, status);
receive_buffer[0] = 0;
length = hash_size;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_HASH_MAC_VERIFY_FAILURE, status);
length = 1;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_HASH_MAC_VERIFY_FAILURE, status);
/* Test Line 137 */
receive_buffer[0] = NX_SECURE_TLS_APPLICATION_DATA;
length = hash_size;
client_tls_session.nx_secure_tls_remote_sequence_number[0] = 0xFFFFFFFF;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SUCCESS, status);
/* Test Line 142 */
receive_buffer[0] = NX_SECURE_TLS_APPLICATION_DATA;
length = hash_size;
client_tls_session.nx_secure_tls_remote_sequence_number[0] = 0xFFFFFFFF;
client_tls_session.nx_secure_tls_remote_sequence_number[1] = 0xFFFFFFFF;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_NOT_SUCCESSFUL, status);
client_tls_session.nx_secure_tls_remote_sequence_number[0] = 0;
client_tls_session.nx_secure_tls_remote_sequence_number[1] = 0;
/* Test line 160 */
length = hash_size + 1;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 7, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_HASH_MAC_VERIFY_FAILURE, status);
/* Test line 178 */
client_tls_session.nx_secure_tls_remote_sequence_number[0] = 0xFFFFFFFF;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_PADDING_CHECK_FAILED, status);
/* Test line 184 */
client_tls_session.nx_secure_tls_remote_sequence_number[0] = 0xFFFFFFFF;
client_tls_session.nx_secure_tls_remote_sequence_number[1] = 0xFFFFFFFF;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_NOT_SUCCESSFUL, status);
client_tls_session.nx_secure_tls_remote_sequence_number[1] = 0;
/* Test line 205 */
client_tls_session.nx_secure_tls_remote_sequence_number[0] = 0;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_PADDING_CHECK_FAILED, status);
/* Test Line 212 */
send_packet -> nx_packet_append_ptr = send_packet->nx_packet_prepend_ptr + 15;
send_packet -> nx_packet_length = 15;
length = 30;
status = _nx_secure_tls_verify_mac(&client_tls_session, receive_buffer, 0, send_packet, 0, &length);
EXPECT_EQ(NX_SECURE_TLS_PADDING_CHECK_FAILED, status);
}
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