53 lines
1.6 KiB
C
53 lines
1.6 KiB
C
/***
|
|
*
|
|
* Copyright (c) 1996-2001, Valve LLC. All rights reserved.
|
|
*
|
|
* This product contains software technology licensed from Id
|
|
* Software, Inc. ("Id Technology"). Id Technology (c) 1996 Id Software, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* Use, distribution, and modification of this source code and/or resulting
|
|
* object code is restricted to non-commercial enhancements to products from
|
|
* Valve LLC. All other use, distribution, or modification is prohibited
|
|
* without written permission from Valve LLC.
|
|
*
|
|
****/
|
|
/* crc.h */
|
|
#ifndef CRC_H
|
|
#define CRC_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
// MD5 Hash
|
|
typedef struct
|
|
{
|
|
unsigned int buf[4];
|
|
unsigned int bits[2];
|
|
unsigned char in[64];
|
|
} MD5Context_t;
|
|
|
|
|
|
typedef unsigned long CRC32_t;
|
|
void CRC32_Init(CRC32_t *pulCRC);
|
|
CRC32_t CRC32_Final(CRC32_t pulCRC);
|
|
void CRC32_ProcessBuffer(CRC32_t *pulCRC, void *p, int len);
|
|
void CRC32_ProcessByte(CRC32_t *pulCRC, unsigned char ch);
|
|
int CRC_File(CRC32_t *crcvalue, char *pszFileName);
|
|
|
|
unsigned char COM_BlockSequenceCRCByte (unsigned char *base, int length, int sequence);
|
|
|
|
void MD5Init(MD5Context_t *context);
|
|
void MD5Update(MD5Context_t *context, unsigned char const *buf,
|
|
unsigned int len);
|
|
void MD5Final(unsigned char digest[16], MD5Context_t *context);
|
|
void Transform(unsigned int buf[4], unsigned int const in[16]);
|
|
|
|
int MD5_Hash_File(unsigned char digest[16], char *pszFileName, int bUsefopen, int bSeed, unsigned int seed[4]);
|
|
char *MD5_Print(unsigned char hash[16]);
|
|
int MD5_Hash_CachedFile(unsigned char digest[16], unsigned char *pCache, int nFileSize, int bSeed, unsigned int seed[4]);
|
|
|
|
int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName);
|
|
|
|
#endif
|