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diff --git a/MpqHashTable.cpp b/MpqHashTable.cpp
--- /dev/null
+++ b/MpqHashTable.cpp
@@ -0,0 +1,28 @@
+// License information for this code is in license.txt
+
+#include <windows.h>
+#include "SFmpqapi.h"
+#include "SFUtil.h"
+#include "MpqCrypt.h"
+
+BOOL WriteHashTable(MPQARCHIVE *mpqOpenArc)
+{
+ DWORD tsz;
+
+ char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
+ if (buffer) {
+ memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
+ EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,FILE_BEGIN);
+ WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
+ SFFree(buffer);
+ }
+ else {
+ EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,FILE_BEGIN);
+ WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
+ DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
+ }
+
+ return TRUE;
+}
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