abc/GmSSL
1
0
Fork 0
mirror of https://github.com/guanzhi/GmSSL.git synced 2026-08-07 12:33:39 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update SM4 AEAD

Browse Source
This commit is contained in:
Zhi Guan
2023-02-14 09:06:59 +08:00
parent 828da359dc
commit acd50a83d0
3 changed files with 91 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files

82
tests/aeadtest.c
View File

@@ -18,9 +18,6 @@
#include <gmssl/error.h>
static int test_aead_sm4_cbc_sm3_hmac(void)
{
SM4_CBC_SM3_HMAC_CTX aead_ctx;
@@ -71,6 +68,33 @@ static int test_aead_sm4_cbc_sm3_hmac(void)
format_bytes(stdout, 0, 4, "plaintext ", plain, sizeof(plain));
format_bytes(stdout, 0, 4, "ciphertext", cipher, cipherlen);
{
SM4_KEY sm4_key;
SM3_HMAC_CTX sm3_hmac_ctx;
uint8_t tmp[256];
size_t tmplen;
sm4_set_encrypt_key(&sm4_key, key);
if (sm4_cbc_padding_encrypt(&sm4_key, iv, plain, sizeof(plain), tmp, &tmplen) != 1) {
error_print();
return -1;
}
sm3_hmac_init(&sm3_hmac_ctx, key + 16, 32);
sm3_hmac_update(&sm3_hmac_ctx, aad, sizeof(aad));
sm3_hmac_update(&sm3_hmac_ctx, tmp, tmplen);
sm3_hmac_finish(&sm3_hmac_ctx, tmp + tmplen);
tmplen += 32;
format_bytes(stdout, 0, 4, "ciphertext", tmp, tmplen);
if (cipherlen != tmplen
|| memcmp(cipher, tmp, tmplen) != 0) {
error_print();
return -1;
}
}
in = cipher;
out = buf;
@@ -162,6 +186,35 @@ static int test_aead_sm4_ctr_sm3_hmac(void)
format_bytes(stdout, 0, 4, "plaintext ", plain, sizeof(plain));
format_bytes(stdout, 0, 4, "ciphertext", cipher, cipherlen);
{
SM4_KEY sm4_key;
uint8_t ctr[16];
SM3_HMAC_CTX sm3_hmac_ctx;
uint8_t tmp[256];
size_t tmplen;
sm4_set_encrypt_key(&sm4_key, key);
memcpy(ctr, iv, 16);
sm4_ctr_encrypt(&sm4_key, ctr, plain, sizeof(plain), tmp);
tmplen = sizeof(plain);
sm3_hmac_init(&sm3_hmac_ctx, key + 16, 32);
sm3_hmac_update(&sm3_hmac_ctx, aad, sizeof(aad));
sm3_hmac_update(&sm3_hmac_ctx, tmp, tmplen);
sm3_hmac_finish(&sm3_hmac_ctx, tmp + tmplen);
tmplen += 32;
format_bytes(stdout, 0, 4, "ciphertext", tmp, tmplen);
if (cipherlen != tmplen
|| memcmp(cipher, tmp, tmplen) != 0) {
error_print();
return -1;
}
}
in = cipher;
out = buf;
@@ -254,6 +307,29 @@ static int test_aead_sm4_gcm(void)
format_bytes(stdout, 0, 4, "plaintext ", plain, sizeof(plain));
format_bytes(stdout, 0, 4, "ciphertext", cipher, cipherlen);
{
SM4_KEY sm4_key;
uint8_t tmp[256];
size_t tmplen;
sm4_set_encrypt_key(&sm4_key, key);
if (sm4_gcm_encrypt(&sm4_key, iv, sizeof(iv), aad, sizeof(aad), plain, sizeof(plain),
tmp, GHASH_SIZE, tmp + sizeof(plain)) != 1) {
error_print();
return -1;
}
tmplen = sizeof(plain) + GHASH_SIZE;
format_bytes(stdout, 0, 4, "ciphertext", tmp, tmplen);
if (cipherlen != tmplen
|| memcmp(cipher, tmp, tmplen) != 0) {
error_print();
return -1;
}
}
in = cipher;
out = buf;