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Fix SM4 API bugs and change behavior

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This commit is contained in:
Zhi Guan
2026-06-13 22:14:56 +08:00
parent 8fded4abc7
commit c12edeb7b1
29 changed files with 1281 additions and 212 deletions
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94
tests/sm4_ctrtest.c
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@@ -1,5 +1,5 @@
/*
* Copyright 2014-2024 The GmSSL Project. All Rights Reserved.
* 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.
@@ -425,6 +425,96 @@ static int test_sm4_ctr_ctx_multi_updates(void)
return 1;
}
static int test_sm4_ctr_args(void)
{
SM4_CTR_CTX ctx;
uint8_t key[16] = {0};
uint8_t ctr[16] = {0};
uint8_t in[16] = {0};
uint8_t out[16];
size_t outlen;
if (sm4_ctr_encrypt_init(NULL, key, ctr) != -1
|| sm4_ctr_encrypt_init(&ctx, NULL, ctr) != -1
|| sm4_ctr_encrypt_init(&ctx, key, NULL) != -1
|| sm4_ctr32_encrypt_init(NULL, key, ctr) != -1
|| sm4_ctr32_encrypt_init(&ctx, NULL, ctr) != -1
|| sm4_ctr32_encrypt_init(&ctx, key, NULL) != -1) {
error_print();
return -1;
}
if (sm4_ctr_encrypt_init(&ctx, key, ctr) != 1
|| sm4_ctr_encrypt_update(NULL, in, sizeof(in), out, &outlen) != -1
|| sm4_ctr_encrypt_update(&ctx, NULL, 1, out, &outlen) != -1
|| sm4_ctr_encrypt_update(&ctx, in, sizeof(in), NULL, &outlen) != -1
|| sm4_ctr_encrypt_update(&ctx, in, sizeof(in), out, NULL) != -1
|| sm4_ctr_encrypt_update(&ctx, NULL, 0, out, &outlen) != 1
|| outlen != 0
|| sm4_ctr_encrypt_update(&ctx, NULL, 0, NULL, &outlen) != -1
|| sm4_ctr_encrypt_finish(NULL, out, &outlen) != -1
|| sm4_ctr_encrypt_finish(&ctx, NULL, &outlen) != -1
|| sm4_ctr_encrypt_finish(&ctx, out, NULL) != -1) {
error_print();
return -1;
}
if (sm4_ctr32_encrypt_init(&ctx, key, ctr) != 1
|| sm4_ctr32_encrypt_update(NULL, in, sizeof(in), out, &outlen) != -1
|| sm4_ctr32_encrypt_update(&ctx, NULL, 1, out, &outlen) != -1
|| sm4_ctr32_encrypt_update(&ctx, in, sizeof(in), NULL, &outlen) != -1
|| sm4_ctr32_encrypt_update(&ctx, in, sizeof(in), out, NULL) != -1
|| sm4_ctr32_encrypt_update(&ctx, NULL, 0, out, &outlen) != 1
|| outlen != 0
|| sm4_ctr32_encrypt_update(&ctx, NULL, 0, NULL, &outlen) != -1
|| sm4_ctr32_encrypt_finish(NULL, out, &outlen) != -1
|| sm4_ctr32_encrypt_finish(&ctx, NULL, &outlen) != -1
|| sm4_ctr32_encrypt_finish(&ctx, out, NULL) != -1) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
static int test_sm4_ctr_finish_no_extra_counter(void)
{
SM4_CTR_CTX ctx;
uint8_t key[16] = {0};
uint8_t ctr[16] = {0};
uint8_t in[16] = {0};
uint8_t out[16];
uint8_t expected_ctr[16];
size_t outlen;
memcpy(expected_ctr, ctr, sizeof(expected_ctr));
expected_ctr[15]++;
if (sm4_ctr_encrypt_init(&ctx, key, ctr) != 1
|| sm4_ctr_encrypt_update(&ctx, in, sizeof(in), out, &outlen) != 1
|| outlen != sizeof(in)
|| sm4_ctr_encrypt_finish(&ctx, out, &outlen) != 1
|| outlen != 0
|| memcmp(ctx.ctr, expected_ctr, sizeof(expected_ctr)) != 0) {
error_print();
return -1;
}
if (sm4_ctr32_encrypt_init(&ctx, key, ctr) != 1
|| sm4_ctr32_encrypt_update(&ctx, in, sizeof(in), out, &outlen) != 1
|| outlen != sizeof(in)
|| sm4_ctr32_encrypt_finish(&ctx, out, &outlen) != 1
|| outlen != 0
|| memcmp(ctx.ctr, expected_ctr, sizeof(expected_ctr)) != 0) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
int main(void)
{
if (test_sm4_ctr() != 1) goto err;
@@ -433,6 +523,8 @@ int main(void)
if (test_sm4_ctr_iv_overflow() != 1) goto err;
if (test_sm4_ctr_ctx() != 1) goto err;
if (test_sm4_ctr_ctx_multi_updates() != 1) goto err;
if (test_sm4_ctr_args() != 1) goto err;
if (test_sm4_ctr_finish_no_extra_counter() != 1) goto err;
printf("%s all tests passed\n", __FILE__);
return 0;
err: