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init buffer before creating digest value

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JacobBarthelmeh
2025-04-22 14:34:16 -06:00
parent e6f8de7d31
commit 43cdc1be74
1 changed files with 2 additions and 1 deletions
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3
src/internal.c
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@ -21574,6 +21574,7 @@ static WC_INLINE int VerifyMacEnc(WOLFSSL* ssl, const byte* input, word32 msgSz,
WOLFSSL_ERROR_VERBOSE(VERIFY_MAC_ERROR);
return VERIFY_MAC_ERROR;
}
XMEMSET(verify, 0, WC_MAX_DIGEST_SIZE);
ret = ssl->hmac(ssl, verify, input, msgSz - digestSz, -1, content, 1, PEER_ORDER);
ret |= ConstantCompare(verify, input + msgSz - digestSz, (int)digestSz);
@ -21596,7 +21597,7 @@ static WC_INLINE int VerifyMac(WOLFSSL* ssl, const byte* input, word32 msgSz,
word32 digestSz = MacSize(ssl);
byte verify[WC_MAX_DIGEST_SIZE];
XMEMSET(verify, 0, WC_MAX_DIGEST_SIZE);
if (ssl->specs.cipher_type == block) {
pad = input[msgSz - 1];
padByte = 1;