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Update SM4 CBC API

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This commit is contained in:
Zhi Guan
2024-04-28 17:27:41 +08:00
parent 660b4cfc53
commit 6e8a36c738
4 changed files with 19 additions and 18 deletions
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6
src/tls.c
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@@ -312,11 +312,11 @@ int tls_cbc_encrypt(const SM3_HMAC_CTX *inited_hmac_ctx, const SM4_KEY *enc_key,
out += 16;
if (inlen >= 16) {
sm4_cbc_encrypt(enc_key, iv, in, inlen/16, out);
sm4_cbc_encrypt_blocks(enc_key, iv, in, inlen/16, out);
out += inlen - rem;
iv = out - 16;
}
sm4_cbc_encrypt(enc_key, iv, last_blocks, sizeof(last_blocks)/16, out);
sm4_cbc_encrypt_blocks(enc_key, iv, last_blocks, sizeof(last_blocks)/16, out);
*outlen = 16 + inlen - rem + sizeof(last_blocks);
return 1;
}
@@ -349,7 +349,7 @@ int tls_cbc_decrypt(const SM3_HMAC_CTX *inited_hmac_ctx, const SM4_KEY *dec_key,
in += 16;
inlen -= 16;
sm4_cbc_decrypt(dec_key, iv, in, inlen/16, out);
sm4_cbc_decrypt_blocks(dec_key, iv, in, inlen/16, out);
padding_len = out[inlen - 1];
padding = out + inlen - padding_len - 1;