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crypt32: Copy data in hash message update.

This commit is contained in:
Juan Lang 2007-07-12 14:52:41 -07:00 committed by Alexandre Julliard
parent 72b8f8325f
commit fef57dad46
1 changed files with 23 additions and 6 deletions
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23
dlls/crypt32/msg.c
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@ -318,12 +318,14 @@ typedef struct _CHashEncodeMsg
CryptMsgBase base;
HCRYPTPROV prov;
HCRYPTHASH hash;
CRYPT_DATA_BLOB data;
} CHashEncodeMsg;
static void CHashEncodeMsg_Close(HCRYPTMSG hCryptMsg)
{
CHashEncodeMsg *msg = (CHashEncodeMsg *)hCryptMsg;
CryptMemFree(msg->data.pbData);
CryptDestroyHash(msg->hash);
if (msg->base.open_flags & CMSG_CRYPT_RELEASE_CONTEXT_FLAG)
CryptReleaseContext(msg->prov, 0);
@ -400,9 +402,22 @@ static BOOL CHashEncodeMsg_Update(HCRYPTMSG hCryptMsg, const BYTE *pbData,
else
{
ret = CryptHashData(msg->hash, pbData, cbData, 0);
/* Still a stub, as content isn't modified */
FIXME("(%p, %p, %d, %d): stub\n", hCryptMsg, pbData, cbData,
fFinal);
if (ret)
{
if (msg->data.pbData)
msg->data.pbData = CryptMemRealloc(msg->data.pbData,
msg->data.cbData + cbData);
else
msg->data.pbData = CryptMemAlloc(cbData);
if (msg->data.pbData)
{
memcpy(msg->data.pbData + msg->data.cbData, pbData,
cbData);
msg->data.cbData += cbData;
}
else
ret = FALSE;
}
}
}
}
@ -441,6 +456,8 @@ static HCRYPTMSG CHashEncodeMsg_Open(DWORD dwFlags, const void *pvMsgEncodeInfo,
CryptMsgBase_Init((CryptMsgBase *)msg, dwFlags, pStreamInfo,
CHashEncodeMsg_Close, CHashEncodeMsg_GetParam, CHashEncodeMsg_Update);
msg->prov = prov;
msg->data.cbData = 0;
msg->data.pbData = NULL;
if (!CryptCreateHash(prov, algID, 0, 0, &msg->hash))
{
CryptMsgClose(msg);