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Update sm4 ctr tests

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This commit is contained in:
Zhi Guan
2024-06-02 22:33:00 +08:00
parent df950995e8
commit 478d75349b
2 changed files with 71 additions and 1 deletions
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2
src/hex.c
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@@ -111,7 +111,7 @@ int hex2bin(const char *in, size_t inlen, uint8_t *out)
while (inlen) {
if ((c = hexchar2int(*in++)) < 0) {
error_print_msg("%d", 5);
error_print();
return -1;
}
*out = (uint8_t)c << 4;

70
tests/sm4_ctrtest.c
View File

@@ -186,6 +186,75 @@ static int test_sm4_ctr_with_carray(void)
return 1;
}
static int test_sm4_ctr_iv_overflow(void)
{
struct {
char *label;
char *key;
char *iv;
char *plaintext;
char *ciphertext;
} tests[] = {
{
"8-bit overflow",
"0123456789abcdeffedcba9876543210",
"000000000000000000000000000000ff",
"abcdefghijklmnopkrstuvwxyz123456",
"0c52aa1703982654be4a61a73beecefa688c23b123d5ac77b3d6c495f2f1399f",
},
{
"32-bit overflow",
"0123456789abcdeffedcba9876543210",
"000000000000000000000000ffffffff",
"abcdefghijklmnopkrstuvwxyz123456",
"77569603146f352a68f2a2060ef5869f34cd12f510f4b598cfed42984f33e0c0",
},
{
"64-bit overflow",
"0123456789abcdeffedcba9876543210",
"0000000000000000ffffffffffffffff",
"abcdefghijklmnopkrstuvwxyz123456",
"024ffdc1b9b510f6968205b42f6dd15505e5e399e54b08aae25a9298dc9590a1",
},
{
"128-bit overflow",
"0123456789abcdeffedcba9876543210",
"ffffffffffffffffffffffffffffffff",
"abcdefghijklmnopkrstuvwxyz123456",
"0973cc1a6c15038fef912ea230f40f804d05871f7cb755b4ee2f022268e0971c",
},
};
uint8_t key[16];
uint8_t iv[16];
uint8_t plaintext[32];
uint8_t ciphertext[32];
SM4_KEY sm4_key;
uint8_t encrypted[32];
size_t len, i;
for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
hex_to_bytes(tests[i].key, strlen(tests[i].key), key, &len);
hex_to_bytes(tests[i].iv, strlen(tests[i].iv), iv, &len);
memcpy(plaintext, tests[i].plaintext, strlen(tests[i].plaintext));
hex_to_bytes(tests[i].ciphertext, strlen(tests[i].ciphertext), ciphertext, &len);
sm4_set_encrypt_key(&sm4_key, key);
sm4_ctr_encrypt(&sm4_key, iv, plaintext, sizeof(plaintext), encrypted);
if (memcmp(encrypted, ciphertext, sizeof(ciphertext)) != 0) {
error_print();
return -1;
}
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}
/*
* NOTE:
* There is an compiler bug on Tencent Cloud/Windows Server 2022/Visual Studio 2022 and GitHub CI Windows env.
@@ -361,6 +430,7 @@ int main(void)
if (test_sm4_ctr() != 1) goto err;
if (test_sm4_ctr_test_vectors() != 1) goto err;
if (test_sm4_ctr_with_carray() != 1) goto err;
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;
printf("%s all tests passed\n", __FILE__);