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And soft RNG to cmake

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This commit is contained in:
Zhi Guan
2022-12-30 14:53:20 +08:00
parent a7251b7e06
commit a8dd65cf1c
5 changed files with 138 additions and 64 deletions
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64
src/sm4_cbc_mac.c
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@@ -47,67 +47,3 @@ void sm4_cbc_mac_finish(SM4_CBC_MAC_CTX *ctx, uint8_t mac[16])
}
memcpy(mac, ctx->iv, 16);
}
static int test_sm4_cbc_mac(void)
{
SM4_KEY sm4_key;
SM4_CBC_MAC_CTX ctx;
uint8_t key[16];
uint8_t iv[16] = {0};
uint8_t m[128];
uint8_t c[128];
uint8_t mac1[16];
uint8_t mac2[16];
uint8_t *p;
size_t len, left;
rand_bytes(key, sizeof(key));
rand_bytes(m, sizeof(m));
sm4_set_encrypt_key(&sm4_key, key);
// test 1
sm4_cbc_encrypt(&sm4_key, iv, m, sizeof(m)/16, c);
memcpy(mac1, c + sizeof(m) - 16, 16);
sm4_cbc_mac_init(&ctx, key);
p = m;
len = 0;
left = sizeof(m);
while (left) {
len = left < len ? left : len;
sm4_cbc_mac_update(&ctx, p, len);
p += len;
left -= len;
len++;
}
sm4_cbc_mac_finish(&ctx, mac2);
if (memcmp(mac1, mac2, 16)) {
error_print();
return -1;
}
// test 2
m[sizeof(m) - 1] = 0;
sm4_cbc_encrypt(&sm4_key, iv, m, sizeof(m)/16, c);
memcpy(mac1, c + sizeof(m) - 16, 16);
sm4_cbc_mac_init(&ctx, key);
p = m;
len = 0;
left = sizeof(m) - 1;
while (left) {
len = left < len ? left : len;
sm4_cbc_mac_update(&ctx, p, len);
p += len;
left -= len;
len++;
}
sm4_cbc_mac_finish(&ctx, mac2);
if (memcmp(mac1, mac2, 16)) {
error_print();
return -1;
}
printf("%s() ok\n", __FUNCTION__);
return 1;
}