Merge pull request #6647 from gojimmypi/SM4_Hash_fix

WOLFSSL_NO_HASH_RAW Hmac_UpdateFinal() properties for SM3
wolfSSL · Jul 26, 2023 · d87bb14 · d87bb14
2 parents 746802b + 31dfdf8
commit d87bb14
Showing 1 changed file with 11 additions and 1 deletion.
diff --git a/src/tls.c b/src/tls.c
@@ -1052,7 +1052,7 @@ static int Hmac_UpdateFinal(Hmac* hmac, byte* digest, const byte* in,
  word32 sz, byte* header)
 {
  byte dummy[WC_MAX_BLOCK_SIZE] = {0};
- int ret;
+ int ret = 0;
  word32 msgSz, blockSz, macSz, padSz, maxSz, realSz;
  word32 offset = 0;
  int msgBlocks, blocks, blockBits;
@@ -1104,7 +1104,17 @@ static int Hmac_UpdateFinal(Hmac* hmac, byte* digest, const byte* in,
  break;
  #endif /* HAVE_BLAKE2 */
 
+ #ifdef WOLFSSL_SM3
+ case WC_SM3:
+ blockSz = WC_SM3_BLOCK_SIZE;
+ blockBits = 6;
+ macSz = WC_SM3_DIGEST_SIZE;
+ padSz = WC_SM3_BLOCK_SIZE - WC_SM3_PAD_SIZE + 1;
+ break;
+ #endif
+
  default:
+ WOLFSSL_MSG("ERROR: Hmac_UpdateFinal failed, no hmac->macType");
  return BAD_FUNC_ARG;
  }