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crypt32: Don't crash when asked to verify a signature before the content has been finalized.

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This commit is contained in:
Juan Lang 2008-09-08 12:45:40 -07:00 committed by Alexandre Julliard
parent f98eb4a8a0
commit b7d26dc9f5
1 changed files with 7 additions and 0 deletions
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7
dlls/crypt32/msg.c
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@ -2554,6 +2554,11 @@ static BOOL CDecodeSignedMsg_VerifySignature(CDecodeMsg *msg, PCERT_INFO info)
BOOL ret = FALSE;
DWORD i;
if (!msg->u.signed_data.signerHandles)
{
SetLastError(NTE_BAD_SIGNATURE);
return FALSE;
}
for (i = 0; !ret && i < msg->u.signed_data.info->cSignerInfo; i++)
{
PCMSG_CMS_SIGNER_INFO signerInfo =
@ -2596,6 +2601,8 @@ static BOOL CDecodeSignedMsg_VerifySignatureEx(CDecodeMsg *msg,
SetLastError(ERROR_INVALID_PARAMETER);
else if (para->dwSignerIndex >= msg->u.signed_data.info->cSignerInfo)
SetLastError(CRYPT_E_SIGNER_NOT_FOUND);
else if (!msg->u.signed_data.signerHandles)
SetLastError(NTE_BAD_SIGNATURE);
else
{
switch (para->dwSignerType)