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Merge pull request #3891 from JacobBarthelmeh/PKCS7

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adjust size when streaming with PKCS7 verify
This commit is contained in:
Chris Conlon
2021-03-19 11:53:38 -06:00
committed by GitHub
parent 761bebc4a0 de50209cdf
commit 19c321f165
1 changed files with 11 additions and 1 deletions
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12
wolfcrypt/src/pkcs7.c
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@ -5077,6 +5077,11 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
wc_PKCS7_StreamGetVar(pkcs7, &pkiMsg2Sz, 0, &length); wc_PKCS7_StreamGetVar(pkcs7, &pkiMsg2Sz, 0, &length);
if (pkcs7->stream->flagOne) { if (pkcs7->stream->flagOne) {
pkiMsg2 = pkiMsg; pkiMsg2 = pkiMsg;
/* check if using internal stream buffer and should adjust sz */
if (pkiMsg != in && pkcs7->stream->length > 0) {
pkiMsg2Sz = pkcs7->stream->length;
}
} }
/* restore content type */ /* restore content type */
@ -5136,7 +5141,7 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
} }
} }
else { else {
/* last state expect the reset of the buffer */ /* last state expect the rest of the buffer */
pkcs7->stream->expected = (pkcs7->stream->maxLen - pkcs7->stream->expected = (pkcs7->stream->maxLen -
pkcs7->stream->totalRd) + pkcs7->stream->length; pkcs7->stream->totalRd) + pkcs7->stream->length;
} }
@ -5155,6 +5160,11 @@ static int PKCS7_VerifySignedData(PKCS7* pkcs7, const byte* hashBuf,
wc_PKCS7_StreamGetVar(pkcs7, &pkiMsg2Sz, 0, &length); wc_PKCS7_StreamGetVar(pkcs7, &pkiMsg2Sz, 0, &length);
if (pkcs7->stream->flagOne) { if (pkcs7->stream->flagOne) {
pkiMsg2 = pkiMsg; pkiMsg2 = pkiMsg;
/* check if using internal stream buffer and should adjust sz */
if (pkiMsg != in && pkcs7->stream->length > 0) {
pkiMsg2Sz = pkcs7->stream->length;
}
} }
/* restore content */ /* restore content */