VPatch 3.0

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4271 212acab6-be3b-0410-9dea-997c60f758d6

Contrib/VPatch/Source/Plugin/checksum.h

@@ -0,0 +1,42 @@
+//---------------------------------------------------------------------------
+// checksum.h
+//---------------------------------------------------------------------------
+//                           -=* VPatch *=-
+//---------------------------------------------------------------------------
+// Copyright (C) 2001-2005 Koen van de Sande / Van de Sande Productions
+//---------------------------------------------------------------------------
+// Website: http://www.tibed.net/vpatch
+//
+// This software is provided 'as-is', without any express or implied
+// warranty.  In no event will the authors be held liable for any damages
+// arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would be
+//    appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//    misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+
+#ifndef checksum_INCLUDED
+#define checksum_INCLUDED
+
+#include <windows.h>
+#include "md5.h"
+
+/* ------------------------ CRC32 checksum calculation ----------------- */
+
+BOOL FileCRC(HANDLE hFile, DWORD *crc);
+void CRC32ToString(char* string, DWORD crc);
+
+/* ------------------------ MD5 checksum calculation ----------------- */
+
+BOOL FileMD5(HANDLE hFile, md5_byte_t digest[16]);
+void MD5ToString(char* string, md5_byte_t checksum[16]);
+
+#endif