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Add SM3-HKDF tests

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Zhi Guan
2026-06-09 10:14:32 +08:00
parent 566530de3c
commit 73296c100c
3 changed files with 1705 additions and 0 deletions
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92
tests/sm3_hkdftest.c Normal file
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/*
* Copyright 2014-2026 The GmSSL Project. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the License); you may
* not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <gmssl/hex.h>
#include <gmssl/hkdf.h>
#include <gmssl/error.h>
#include "sm3_hkdftest.h"
static int test_sm3_hkdf_wycheproof(void)
{
size_t i;
for (i = 0; i < sizeof(test_sm3_hkdf_vectors)/sizeof(test_sm3_hkdf_vectors[0]); i++) {
const TEST_SM3_HKDF_VECTOR *tv = &test_sm3_hkdf_vectors[i];
uint8_t ikm[80];
uint8_t salt[80];
uint8_t info[80];
uint8_t prk[32];
uint8_t okm[32 * 255]; // = 8160
uint8_t expected[32 * 255]; // = 8160
size_t ikmlen, saltlen, infolen, expected_len;
int ret;
if (strlen(tv->ikm)/2 > sizeof(ikm)
|| strlen(tv->salt)/2 > sizeof(salt)
|| strlen(tv->info)/2 > sizeof(info)
|| strlen(tv->okm)/2 > sizeof(expected)) {
error_print();
return -1;
}
if (hex_to_bytes(tv->ikm, strlen(tv->ikm), ikm, &ikmlen) != 1
|| hex_to_bytes(tv->salt, strlen(tv->salt), salt, &saltlen) != 1
|| hex_to_bytes(tv->info, strlen(tv->info), info, &infolen) != 1
|| hex_to_bytes(tv->okm, strlen(tv->okm), expected, &expected_len) != 1) {
error_print();
return -1;
}
if (tv->result == TEST_RESULT_VALID) {
if (expected_len != tv->size) {
error_print();
return -1;
}
}
if (sm3_hkdf_extract(salt, saltlen, ikm, ikmlen, prk) != 1) {
error_print();
return -1;
}
ret = sm3_hkdf_expand(prk, info, infolen, tv->size, okm);
if (tv->result == TEST_RESULT_VALID) {
if (ret != 1 || memcmp(okm, expected, expected_len) != 0) {
error_print();
return -1;
}
} else if (tv->result == TEST_RESULT_INVALID) {
if (ret == 1) {
error_print();
return -1;
}
fprintf(stderr, "tcId %d expected HKDF-SM3 failure for %s\n", tv->tc_id, tv->flags);
} else {
if (ret != 1 && ret != -1) {
error_print();
return -1;
}
}
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
int main(void)
{
if (test_sm3_hkdf_wycheproof() != 1) goto err;
printf("%s all tests passed\n", __FILE__);
return 0;
err:
error_print();
return 1;
}