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51 lines
1.7 KiB
51 lines
1.7 KiB
/*** |
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* |
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* Copyright (c) 1999, 2000, Valve LLC. All rights reserved. |
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* |
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* This product contains software technology licensed from Id |
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* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc. |
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* All Rights Reserved. |
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* |
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* Use, distribution, and modification of this source code and/or resulting |
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* object code is restricted to non-commercial enhancements to products from |
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* Valve LLC. All other use, distribution, or modification is prohibited |
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* without written permission from Valve LLC. |
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* |
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****/ |
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/* crc.h */ |
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#ifndef CRC_H |
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#define CRC_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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// MD5 Hash |
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typedef struct |
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{ |
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unsigned int buf[4]; |
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unsigned int bits[2]; |
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unsigned char in[64]; |
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} MD5Context_t; |
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typedef unsigned long CRC32_t; |
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void CRC32_Init(CRC32_t *pulCRC); |
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CRC32_t CRC32_Final(CRC32_t pulCRC); |
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void CRC32_ProcessBuffer(CRC32_t *pulCRC, void *p, int len); |
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void CRC32_ProcessByte(CRC32_t *pulCRC, unsigned char ch); |
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int CRC_File(CRC32_t *crcvalue, char *pszFileName); |
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unsigned char COM_BlockSequenceCRCByte(unsigned char *base, int length, int sequence); |
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void MD5Init(MD5Context_t *context); |
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void MD5Update(MD5Context_t *context, unsigned char const *buf, |
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unsigned int len); |
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void MD5Final(unsigned char digest[16], MD5Context_t *context); |
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void Transform(unsigned int buf[4], unsigned int const in[16]); |
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int MD5_Hash_File(unsigned char digest[16], char *pszFileName, int bUsefopen, int bSeed, unsigned int seed[4]); |
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char *MD5_Print(unsigned char hash[16]); |
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int MD5_Hash_CachedFile(unsigned char digest[16], unsigned char *pCache, int nFileSize, int bSeed, unsigned int seed[4]); |
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int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName); |
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#endif
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