public: crclib now is part of public library

public/crclib.h

@@ -0,0 +1,41 @@
+/*
+crclib.c - generate crc stuff
+Copyright (C) 2007 Uncle Mike
+Copyright (C) 2019 a1batross
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+*/
+#pragma once
+#ifndef CRCLIB_H
+#define CRCLIB_H
+
+#include "xash3d_types.h"
+
+typedef struct
+{
+	uint	buf[4];
+	uint	bits[2];
+	byte	in[64];
+} MD5Context_t;
+
+
+void CRC32_Init( dword *pulCRC );
+byte CRC32_BlockSequence( byte *base, int length, int sequence );
+void CRC32_ProcessBuffer( dword *pulCRC, const void *pBuffer, int nBuffer );
+void CRC32_ProcessByte( dword *pulCRC, byte ch );
+dword CRC32_Final( dword pulCRC );
+void MD5Init( MD5Context_t *ctx );
+void MD5Update( MD5Context_t *ctx, const byte *buf, uint len );
+void MD5Final( byte digest[16], MD5Context_t *ctx );
+uint COM_HashKey( const char *string, uint hashSize );
+char *MD5_Print( byte hash[16] );
+
+#endif // CRCLIB_H