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First SM9 release

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SM9 setup/keygen/sign/verify has been tested. See example codes `demos/sm9/`.
This commit is contained in:
Zhi Guan
2018-10-10 20:42:07 +08:00
parent 9ca519edfa
commit 989bc7638d
16 changed files with 6255 additions and 5380 deletions
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9
crypto/sm9/sm9_enc.c
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@@ -392,8 +392,8 @@ int SM9_encrypt(int type,
key[i] ^= in[i];
}
/* C3 = MAC(K2, C2) */
if (!HMAC(md, key + inlen, EVP_MD_size(md), key, inlen, mac, &maclen)) {
/* C3 = Hv(C2||K2) */
if (!EVP_Digest(key, keylen, mac, &maclen, md, NULL)) {
SM9err(SM9_F_SM9_ENCRYPT, ERR_R_EVP_LIB);
goto end;
}
@@ -489,8 +489,9 @@ int SM9_decrypt(int type,
}
*outlen = C2_len;
/* check C3 == MAC(K2, C2) */
if (!HMAC(md, key + C2_len, EVP_MD_size(md), key, C2_len, mac, &maclen)) {
/* C3 = Hv(C2||K2) */
memcpy(key, C2, C2_len);
if (!EVP_Digest(key, keylen, mac, &maclen, md, NULL)) {
SM9err(SM9_F_SM9_DECRYPT, ERR_R_EVP_LIB);
goto end;
}