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Merge pull request #7880 from ColtonWilley/tls13_send_cert_use_signed_len

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Use signed variable for length calculation in SendTls13Certificate
This commit is contained in:
Daniel Pouzzner
2024-08-29 16:12:41 -05:00
committed by GitHub
parent ef4ea53570 a57d234f6b
commit fab5c9f864
1 changed files with 4 additions and 3 deletions
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7
src/tls13.c
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@@ -8462,12 +8462,13 @@ static int SendTls13Certificate(WOLFSSL* ssl)
int ret = 0;
word32 certSz, certChainSz, headerSz, listSz, payloadSz;
word16 extSz = 0;
word32 length, maxFragment;
word32 maxFragment;
word32 len = 0;
word32 idx = 0;
word32 offset = OPAQUE16_LEN;
byte* p = NULL;
byte certReqCtxLen = 0;
sword32 length;
#ifdef WOLFSSL_POST_HANDSHAKE_AUTH
byte* certReqCtx = NULL;
#endif
@@ -8513,7 +8514,7 @@ static int SendTls13Certificate(WOLFSSL* ssl)
listSz = 0;
}
else {
if (!ssl->buffers.certificate) {
if (!ssl->buffers.certificate || !ssl->buffers.certificate->buffer) {
WOLFSSL_MSG("Send Cert missing certificate buffer");
return NO_CERT_ERROR;
}
@@ -8604,7 +8605,7 @@ static int SendTls13Certificate(WOLFSSL* ssl)
#endif /* WOLFSSL_DTLS13 */
}
else {
fragSz = min(length, maxFragment);
fragSz = min((word32)length, maxFragment);
sendSz += fragSz;
}