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1 // License information for this code is in license.txt
3 #include <windows.h>
4 #include "SFmpqapi.h"
5 #include "SFmpqInternal.h"
6 #include "SFUtil.h"
7 #include "MpqCrypt.h"
9 BOOL WriteHashTable(MPQARCHIVE *mpqOpenArc)
10 {
11 DWORD tsz;
12 BOOL bReturnVal = FALSE;
14 char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
15 if (buffer) {
16 memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
17 EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
18 SFSetFilePointer(mpqOpenArc->hFile, mpqOpenArc->qwMPQStart + MakeUInt64(mpqOpenArc->MpqHeader.dwHashTableOffset, mpqOpenArc->MpqHeader_Ex.wHashTableOffsetHigh), FILE_BEGIN);
19 bReturnVal = WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
20 SFFree(buffer);
21 }
22 else {
23 EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
24 SFSetFilePointer(mpqOpenArc->hFile, mpqOpenArc->qwMPQStart + MakeUInt64(mpqOpenArc->MpqHeader.dwHashTableOffset, mpqOpenArc->MpqHeader_Ex.wHashTableOffsetHigh), FILE_BEGIN);
25 bReturnVal = WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
26 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
27 }
29 return bReturnVal;
30 }
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