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Add separate files for MD5 (#386)
* Add separate files for MD5 * Add license header to md5.h * Add license header to md5.cpp
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theAsmodai
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83e51d1151
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f8e2b5004c
@ -17,17 +17,8 @@
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#include "quakedef.h"
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#include "quakedef.h"
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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 int CRC32_t;
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typedef unsigned int CRC32_t;
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#ifdef __cplusplus
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#ifdef __cplusplus
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extern "C"
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extern "C"
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{
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{
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@ -45,11 +36,3 @@ BOOL CRC_File(CRC32_t *crcvalue, char *pszFileName);
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byte COM_BlockSequenceCRCByte(byte *base, int length, int sequence);
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byte COM_BlockSequenceCRCByte(byte *base, int length, int sequence);
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int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName);
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int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName);
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void MD5Init(MD5Context_t *ctx);
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void MD5Update(MD5Context_t *ctx, const unsigned char *buf, unsigned int len);
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void MD5Final(unsigned char digest[16], MD5Context_t *ctx);
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void MD5Transform(unsigned int buf[4], const unsigned int in[16]);
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BOOL MD5_Hash_File(unsigned char digest[16], char *pszFileName, BOOL bUsefopen, BOOL bSeed, unsigned int seed[4]);
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char *MD5_Print(unsigned char hash[16]);
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34
rehlds/common/md5.h
Normal file
34
rehlds/common/md5.h
Normal file
@ -0,0 +1,34 @@
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/***
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*
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* Copyright (c) 1996-2002, 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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#pragma once
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#include <quakedef.h>
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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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void MD5Init(MD5Context_t *ctx);
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void MD5Update(MD5Context_t *ctx, const unsigned char *buf, unsigned int len);
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void MD5Final(unsigned char digest[16], MD5Context_t *ctx);
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void MD5Transform(unsigned int buf[4], const unsigned int in[16]);
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BOOL MD5_Hash_File(unsigned char digest[16], char *pszFileName, BOOL bUsefopen, BOOL bSeed, unsigned int seed[4]);
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char *MD5_Print(unsigned char hash[16]);
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@ -264,316 +264,3 @@ int CRC_MapFile(CRC32_t *crcvalue, char *pszFileName)
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FS_Close(fp);
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FS_Close(fp);
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return 1;
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return 1;
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}
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}
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static unsigned char PADDING[64] =
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{
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0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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};
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/* F, G and H are basic MD5 functions: selection, majority, parity */
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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/* ROTATE_LEFT rotates x left n bits */
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
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/* Rotation is separate from addition to prevent recomputation */
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#define FF(a, b, c, d, x, s, ac) \
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{ \
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(a) += F ((b), (c), (d)) + (x) + (uint32)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define GG(a, b, c, d, x, s, ac) \
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{ \
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(a) += G ((b), (c), (d)) + (x) + (uint32)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define HH(a, b, c, d, x, s, ac) \
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{ \
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(a) += H ((b), (c), (d)) + (x) + (uint32)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define II(a, b, c, d, x, s, ac) \
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{ \
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(a) += I ((b), (c), (d)) + (x) + (uint32)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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void MD5Init(MD5Context_t *ctx)
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{
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ctx->bits[0] = ctx->bits[1] = 0;
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// Load magic initialization constants.
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ctx->buf[0] = 0x67452301;
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ctx->buf[1] = 0xefcdab89;
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ctx->buf[2] = 0x98badcfe;
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ctx->buf[3] = 0x10325476;
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}
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void MD5Update(MD5Context_t *ctx, const unsigned char *buf, unsigned int len)
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{
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uint32 in[16];
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int mdi;
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unsigned int i, ii;
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// Compute number of bytes mod 64
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mdi = (int)((ctx->bits[0] >> 3) & 0x3F);
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// Update number of bits
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if ((ctx->bits[0] + ((uint32)len << 3)) < ctx->bits[0])
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{
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ctx->bits[1]++;
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}
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ctx->bits[0] += ((uint32)len << 3);
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ctx->bits[1] += ((uint32)len >> 29);
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while (len--)
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{
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// Add new character to buffer, increment mdi
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ctx->in[mdi++] = *buf++;
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// Transform if necessary
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if (mdi == 0x40)
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{
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for (i = 0, ii = 0; i < 16; i++, ii += 4)
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in[i] = (((uint32)ctx->in[ii + 3]) << 24) |
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(((uint32)ctx->in[ii + 2]) << 16) |
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(((uint32)ctx->in[ii + 1]) << 8) |
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((uint32)ctx->in[ii]);
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MD5Transform(ctx->buf, in);
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mdi = 0;
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}
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}
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}
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void MD5Final(unsigned char digest[16], MD5Context_t *ctx)
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{
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uint32 in[16];
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int mdi;
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unsigned int i, ii;
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unsigned int padLen;
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// save number of bits
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in[14] = ctx->bits[0];
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in[15] = ctx->bits[1];
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// Compute number of bytes mod 64
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mdi = (int)((ctx->bits[0] >> 3) & 0x3F);
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// Pad out to 56 mod 64
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padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
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MD5Update(ctx, PADDING, padLen);
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// Append length in bits and transform
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for (i = 0, ii = 0; i < 14; i++, ii += 4)
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in[i] = (((uint32)ctx->in[ii + 3]) << 24) |
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(((uint32)ctx->in[ii + 2]) << 16) |
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(((uint32)ctx->in[ii + 1]) << 8) |
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((uint32)ctx->in[ii]);
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MD5Transform(ctx->buf, in);
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// Store buffer in digest
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for (i = 0, ii = 0; i < 4; i++, ii += 4)
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{
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digest[ii] = (unsigned char)(ctx->buf[i] & 0xFF);
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digest[ii + 1] = (unsigned char)((ctx->buf[i] >> 8) & 0xFF);
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digest[ii + 2] = (unsigned char)((ctx->buf[i] >> 16) & 0xFF);
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digest[ii + 3] = (unsigned char)((ctx->buf[i] >> 24) & 0xFF);
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}
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}
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void MD5Transform(unsigned int buf[4], const unsigned int in[16])
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{
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uint32 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
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// Round 1
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#define S11 7
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#define S12 12
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#define S13 17
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#define S14 22
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FF(a, b, c, d, in[0], S11, 3614090360); /* 1 */
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FF(d, a, b, c, in[1], S12, 3905402710); /* 2 */
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FF(c, d, a, b, in[2], S13, 606105819); /* 3 */
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FF(b, c, d, a, in[3], S14, 3250441966); /* 4 */
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FF(a, b, c, d, in[4], S11, 4118548399); /* 5 */
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FF(d, a, b, c, in[5], S12, 1200080426); /* 6 */
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FF(c, d, a, b, in[6], S13, 2821735955); /* 7 */
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FF(b, c, d, a, in[7], S14, 4249261313); /* 8 */
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FF(a, b, c, d, in[8], S11, 1770035416); /* 9 */
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FF(d, a, b, c, in[9], S12, 2336552879); /* 10 */
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FF(c, d, a, b, in[10], S13, 4294925233); /* 11 */
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FF(b, c, d, a, in[11], S14, 2304563134); /* 12 */
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FF(a, b, c, d, in[12], S11, 1804603682); /* 13 */
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FF(d, a, b, c, in[13], S12, 4254626195); /* 14 */
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FF(c, d, a, b, in[14], S13, 2792965006); /* 15 */
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FF(b, c, d, a, in[15], S14, 1236535329); /* 16 */
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// Round 2
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#define S21 5
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#define S22 9
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#define S23 14
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#define S24 20
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GG(a, b, c, d, in[1], S21, 4129170786); /* 17 */
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GG(d, a, b, c, in[6], S22, 3225465664); /* 18 */
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GG(c, d, a, b, in[11], S23, 643717713); /* 19 */
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GG(b, c, d, a, in[0], S24, 3921069994); /* 20 */
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GG(a, b, c, d, in[5], S21, 3593408605); /* 21 */
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GG(d, a, b, c, in[10], S22, 38016083); /* 22 */
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GG(c, d, a, b, in[15], S23, 3634488961); /* 23 */
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GG(b, c, d, a, in[4], S24, 3889429448); /* 24 */
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GG(a, b, c, d, in[9], S21, 568446438); /* 25 */
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GG(d, a, b, c, in[14], S22, 3275163606); /* 26 */
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GG(c, d, a, b, in[3], S23, 4107603335); /* 27 */
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GG(b, c, d, a, in[8], S24, 1163531501); /* 28 */
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GG(a, b, c, d, in[13], S21, 2850285829); /* 29 */
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GG(d, a, b, c, in[2], S22, 4243563512); /* 30 */
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GG(c, d, a, b, in[7], S23, 1735328473); /* 31 */
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GG(b, c, d, a, in[12], S24, 2368359562); /* 32 */
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// Round 3
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#define S31 4
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#define S32 11
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#define S33 16
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#define S34 23
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HH(a, b, c, d, in[5], S31, 4294588738); /* 33 */
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HH(d, a, b, c, in[8], S32, 2272392833); /* 34 */
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HH(c, d, a, b, in[11], S33, 1839030562); /* 35 */
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HH(b, c, d, a, in[14], S34, 4259657740); /* 36 */
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HH(a, b, c, d, in[1], S31, 2763975236); /* 37 */
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HH(d, a, b, c, in[4], S32, 1272893353); /* 38 */
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HH(c, d, a, b, in[7], S33, 4139469664); /* 39 */
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HH(b, c, d, a, in[10], S34, 3200236656); /* 40 */
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HH(a, b, c, d, in[13], S31, 681279174); /* 41 */
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HH(d, a, b, c, in[0], S32, 3936430074); /* 42 */
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HH(c, d, a, b, in[3], S33, 3572445317); /* 43 */
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HH(b, c, d, a, in[6], S34, 76029189); /* 44 */
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HH(a, b, c, d, in[9], S31, 3654602809); /* 45 */
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HH(d, a, b, c, in[12], S32, 3873151461); /* 46 */
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HH(c, d, a, b, in[15], S33, 530742520); /* 47 */
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HH(b, c, d, a, in[2], S34, 3299628645); /* 48 */
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// Round 4
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#define S41 6
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#define S42 10
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#define S43 15
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#define S44 21
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II(a, b, c, d, in[0], S41, 4096336452); /* 49 */
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II(d, a, b, c, in[7], S42, 1126891415); /* 50 */
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II(c, d, a, b, in[14], S43, 2878612391); /* 51 */
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II(b, c, d, a, in[5], S44, 4237533241); /* 52 */
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II(a, b, c, d, in[12], S41, 1700485571); /* 53 */
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II(d, a, b, c, in[3], S42, 2399980690); /* 54 */
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II(c, d, a, b, in[10], S43, 4293915773); /* 55 */
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II(b, c, d, a, in[1], S44, 2240044497); /* 56 */
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II(a, b, c, d, in[8], S41, 1873313359); /* 57 */
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II(d, a, b, c, in[15], S42, 4264355552); /* 58 */
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II(c, d, a, b, in[6], S43, 2734768916); /* 59 */
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II(b, c, d, a, in[13], S44, 1309151649); /* 60 */
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II(a, b, c, d, in[4], S41, 4149444226); /* 61 */
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II(d, a, b, c, in[11], S42, 3174756917); /* 62 */
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II(c, d, a, b, in[2], S43, 718787259); /* 63 */
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II(b, c, d, a, in[9], S44, 3951481745); /* 64 */
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buf[0] += a;
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buf[1] += b;
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buf[2] += c;
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buf[3] += d;
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}
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BOOL MD5_Hash_File(unsigned char digest[16], char *pszFileName, BOOL bUsefopen, BOOL bSeed, unsigned int seed[4])
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{
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FileHandle_t fp = (FileHandle_t)FS_OpenPathID(pszFileName, "rb", "GAMECONFIG");
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if (!fp)
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fp = FS_Open(pszFileName, "rb");
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if (!fp)
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return 0;
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int nSize = FS_Size(fp);
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||||||
if (nSize <= 0)
|
|
||||||
{
|
|
||||||
FS_Close(fp);
|
|
||||||
return 0;
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
MD5Context_t ctx;
|
|
||||||
Q_memset(&ctx, 0, sizeof(ctx));
|
|
||||||
MD5Init(&ctx);
|
|
||||||
if (bSeed)
|
|
||||||
MD5Update(&ctx, (unsigned char*)seed, 16);
|
|
||||||
|
|
||||||
while (1)
|
|
||||||
{
|
|
||||||
byte chunk[1024];
|
|
||||||
int nBytesRead = FS_Read(chunk, (nSize <= sizeof(chunk)) ? nSize : sizeof(chunk), 1, fp);
|
|
||||||
if (nBytesRead > 0)
|
|
||||||
{
|
|
||||||
nSize -= nBytesRead;
|
|
||||||
MD5Update(&ctx, chunk, nBytesRead);
|
|
||||||
}
|
|
||||||
|
|
||||||
if (FS_EndOfFile(fp))
|
|
||||||
{
|
|
||||||
FS_Close(fp);
|
|
||||||
MD5Final(digest, &ctx);
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!FS_IsOk(fp))
|
|
||||||
break;
|
|
||||||
|
|
||||||
if (nSize <= 0)
|
|
||||||
{
|
|
||||||
FS_Close(fp);
|
|
||||||
MD5Final(digest, &ctx);
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
FS_Close(fp);
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
char *MD5_Print(unsigned char hash[16])
|
|
||||||
{
|
|
||||||
#ifdef REHLDS_FIXES
|
|
||||||
static char szReturn[33]; // Maximum output is 32 characters
|
|
||||||
Q_snprintf(
|
|
||||||
szReturn, sizeof(szReturn),
|
|
||||||
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
|
||||||
hash[0], hash[1], hash[2], hash[3], hash[4], hash[5], hash[6], hash[7],
|
|
||||||
hash[8], hash[9], hash[10], hash[11], hash[12], hash[13], hash[14], hash[15]
|
|
||||||
);
|
|
||||||
#else
|
|
||||||
static char szReturn[64];
|
|
||||||
char szChunk[10];
|
|
||||||
int i;
|
|
||||||
|
|
||||||
Q_memset(szReturn, 0, sizeof(szReturn));
|
|
||||||
|
|
||||||
for (i = 0; i < 16; i++)
|
|
||||||
{
|
|
||||||
Q_snprintf(szChunk, sizeof(szChunk), "%02x", hash[i]);
|
|
||||||
Q_strncat(szReturn, szChunk, sizeof(szReturn) - Q_strlen(szReturn) - 1);
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
return szReturn;
|
|
||||||
}
|
|
||||||
|
|||||||
341
rehlds/engine/md5.cpp
Normal file
341
rehlds/engine/md5.cpp
Normal file
@ -0,0 +1,341 @@
|
|||||||
|
/*
|
||||||
|
*
|
||||||
|
* 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 2 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.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program; if not, write to the Free Software Foundation,
|
||||||
|
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||||
|
*
|
||||||
|
* In addition, as a special exception, the author gives permission to
|
||||||
|
* link the code of this program with the Half-Life Game Engine ("HL
|
||||||
|
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
|
||||||
|
* L.L.C ("Valve"). You must obey the GNU General Public License in all
|
||||||
|
* respects for all of the code used other than the HL Engine and MODs
|
||||||
|
* from Valve. If you modify this file, you may extend this exception
|
||||||
|
* to your version of the file, but you are not obligated to do so. If
|
||||||
|
* you do not wish to do so, delete this exception statement from your
|
||||||
|
* version.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "precompiled.h"
|
||||||
|
|
||||||
|
static unsigned char PADDING[64] =
|
||||||
|
{
|
||||||
|
0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||||
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
||||||
|
};
|
||||||
|
|
||||||
|
/* F, G and H are basic MD5 functions: selection, majority, parity */
|
||||||
|
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
|
||||||
|
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
|
||||||
|
#define H(x, y, z) ((x) ^ (y) ^ (z))
|
||||||
|
#define I(x, y, z) ((y) ^ ((x) | (~z)))
|
||||||
|
|
||||||
|
/* ROTATE_LEFT rotates x left n bits */
|
||||||
|
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
|
||||||
|
|
||||||
|
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4 */
|
||||||
|
/* Rotation is separate from addition to prevent recomputation */
|
||||||
|
#define FF(a, b, c, d, x, s, ac) \
|
||||||
|
{ \
|
||||||
|
(a) += F ((b), (c), (d)) + (x) + (uint32)(ac); \
|
||||||
|
(a) = ROTATE_LEFT ((a), (s)); \
|
||||||
|
(a) += (b); \
|
||||||
|
}
|
||||||
|
#define GG(a, b, c, d, x, s, ac) \
|
||||||
|
{ \
|
||||||
|
(a) += G ((b), (c), (d)) + (x) + (uint32)(ac); \
|
||||||
|
(a) = ROTATE_LEFT ((a), (s)); \
|
||||||
|
(a) += (b); \
|
||||||
|
}
|
||||||
|
#define HH(a, b, c, d, x, s, ac) \
|
||||||
|
{ \
|
||||||
|
(a) += H ((b), (c), (d)) + (x) + (uint32)(ac); \
|
||||||
|
(a) = ROTATE_LEFT ((a), (s)); \
|
||||||
|
(a) += (b); \
|
||||||
|
}
|
||||||
|
#define II(a, b, c, d, x, s, ac) \
|
||||||
|
{ \
|
||||||
|
(a) += I ((b), (c), (d)) + (x) + (uint32)(ac); \
|
||||||
|
(a) = ROTATE_LEFT ((a), (s)); \
|
||||||
|
(a) += (b); \
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
void MD5Init(MD5Context_t *ctx)
|
||||||
|
{
|
||||||
|
ctx->bits[0] = ctx->bits[1] = 0;
|
||||||
|
|
||||||
|
// Load magic initialization constants.
|
||||||
|
ctx->buf[0] = 0x67452301;
|
||||||
|
ctx->buf[1] = 0xefcdab89;
|
||||||
|
ctx->buf[2] = 0x98badcfe;
|
||||||
|
ctx->buf[3] = 0x10325476;
|
||||||
|
}
|
||||||
|
|
||||||
|
void MD5Update(MD5Context_t *ctx, const unsigned char *buf, unsigned int len)
|
||||||
|
{
|
||||||
|
uint32 in[16];
|
||||||
|
int mdi;
|
||||||
|
unsigned int i, ii;
|
||||||
|
|
||||||
|
// Compute number of bytes mod 64
|
||||||
|
mdi = (int)((ctx->bits[0] >> 3) & 0x3F);
|
||||||
|
|
||||||
|
// Update number of bits
|
||||||
|
if ((ctx->bits[0] + ((uint32)len << 3)) < ctx->bits[0])
|
||||||
|
{
|
||||||
|
ctx->bits[1]++;
|
||||||
|
}
|
||||||
|
|
||||||
|
ctx->bits[0] += ((uint32)len << 3);
|
||||||
|
ctx->bits[1] += ((uint32)len >> 29);
|
||||||
|
|
||||||
|
while (len--)
|
||||||
|
{
|
||||||
|
// Add new character to buffer, increment mdi
|
||||||
|
ctx->in[mdi++] = *buf++;
|
||||||
|
|
||||||
|
// Transform if necessary
|
||||||
|
if (mdi == 0x40)
|
||||||
|
{
|
||||||
|
for (i = 0, ii = 0; i < 16; i++, ii += 4)
|
||||||
|
in[i] = (((uint32)ctx->in[ii + 3]) << 24) |
|
||||||
|
(((uint32)ctx->in[ii + 2]) << 16) |
|
||||||
|
(((uint32)ctx->in[ii + 1]) << 8) |
|
||||||
|
((uint32)ctx->in[ii]);
|
||||||
|
MD5Transform(ctx->buf, in);
|
||||||
|
mdi = 0;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void MD5Final(unsigned char digest[16], MD5Context_t *ctx)
|
||||||
|
{
|
||||||
|
uint32 in[16];
|
||||||
|
int mdi;
|
||||||
|
unsigned int i, ii;
|
||||||
|
unsigned int padLen;
|
||||||
|
|
||||||
|
// save number of bits
|
||||||
|
in[14] = ctx->bits[0];
|
||||||
|
in[15] = ctx->bits[1];
|
||||||
|
|
||||||
|
// Compute number of bytes mod 64
|
||||||
|
mdi = (int)((ctx->bits[0] >> 3) & 0x3F);
|
||||||
|
|
||||||
|
// Pad out to 56 mod 64
|
||||||
|
padLen = (mdi < 56) ? (56 - mdi) : (120 - mdi);
|
||||||
|
MD5Update(ctx, PADDING, padLen);
|
||||||
|
|
||||||
|
// Append length in bits and transform
|
||||||
|
for (i = 0, ii = 0; i < 14; i++, ii += 4)
|
||||||
|
in[i] = (((uint32)ctx->in[ii + 3]) << 24) |
|
||||||
|
(((uint32)ctx->in[ii + 2]) << 16) |
|
||||||
|
(((uint32)ctx->in[ii + 1]) << 8) |
|
||||||
|
((uint32)ctx->in[ii]);
|
||||||
|
MD5Transform(ctx->buf, in);
|
||||||
|
|
||||||
|
// Store buffer in digest
|
||||||
|
for (i = 0, ii = 0; i < 4; i++, ii += 4)
|
||||||
|
{
|
||||||
|
digest[ii] = (unsigned char)(ctx->buf[i] & 0xFF);
|
||||||
|
digest[ii + 1] = (unsigned char)((ctx->buf[i] >> 8) & 0xFF);
|
||||||
|
digest[ii + 2] = (unsigned char)((ctx->buf[i] >> 16) & 0xFF);
|
||||||
|
digest[ii + 3] = (unsigned char)((ctx->buf[i] >> 24) & 0xFF);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void MD5Transform(unsigned int buf[4], const unsigned int in[16])
|
||||||
|
{
|
||||||
|
uint32 a = buf[0], b = buf[1], c = buf[2], d = buf[3];
|
||||||
|
|
||||||
|
// Round 1
|
||||||
|
#define S11 7
|
||||||
|
#define S12 12
|
||||||
|
#define S13 17
|
||||||
|
#define S14 22
|
||||||
|
FF(a, b, c, d, in[0], S11, 3614090360); /* 1 */
|
||||||
|
FF(d, a, b, c, in[1], S12, 3905402710); /* 2 */
|
||||||
|
FF(c, d, a, b, in[2], S13, 606105819); /* 3 */
|
||||||
|
FF(b, c, d, a, in[3], S14, 3250441966); /* 4 */
|
||||||
|
FF(a, b, c, d, in[4], S11, 4118548399); /* 5 */
|
||||||
|
FF(d, a, b, c, in[5], S12, 1200080426); /* 6 */
|
||||||
|
FF(c, d, a, b, in[6], S13, 2821735955); /* 7 */
|
||||||
|
FF(b, c, d, a, in[7], S14, 4249261313); /* 8 */
|
||||||
|
FF(a, b, c, d, in[8], S11, 1770035416); /* 9 */
|
||||||
|
FF(d, a, b, c, in[9], S12, 2336552879); /* 10 */
|
||||||
|
FF(c, d, a, b, in[10], S13, 4294925233); /* 11 */
|
||||||
|
FF(b, c, d, a, in[11], S14, 2304563134); /* 12 */
|
||||||
|
FF(a, b, c, d, in[12], S11, 1804603682); /* 13 */
|
||||||
|
FF(d, a, b, c, in[13], S12, 4254626195); /* 14 */
|
||||||
|
FF(c, d, a, b, in[14], S13, 2792965006); /* 15 */
|
||||||
|
FF(b, c, d, a, in[15], S14, 1236535329); /* 16 */
|
||||||
|
|
||||||
|
// Round 2
|
||||||
|
#define S21 5
|
||||||
|
#define S22 9
|
||||||
|
#define S23 14
|
||||||
|
#define S24 20
|
||||||
|
GG(a, b, c, d, in[1], S21, 4129170786); /* 17 */
|
||||||
|
GG(d, a, b, c, in[6], S22, 3225465664); /* 18 */
|
||||||
|
GG(c, d, a, b, in[11], S23, 643717713); /* 19 */
|
||||||
|
GG(b, c, d, a, in[0], S24, 3921069994); /* 20 */
|
||||||
|
GG(a, b, c, d, in[5], S21, 3593408605); /* 21 */
|
||||||
|
GG(d, a, b, c, in[10], S22, 38016083); /* 22 */
|
||||||
|
GG(c, d, a, b, in[15], S23, 3634488961); /* 23 */
|
||||||
|
GG(b, c, d, a, in[4], S24, 3889429448); /* 24 */
|
||||||
|
GG(a, b, c, d, in[9], S21, 568446438); /* 25 */
|
||||||
|
GG(d, a, b, c, in[14], S22, 3275163606); /* 26 */
|
||||||
|
GG(c, d, a, b, in[3], S23, 4107603335); /* 27 */
|
||||||
|
GG(b, c, d, a, in[8], S24, 1163531501); /* 28 */
|
||||||
|
GG(a, b, c, d, in[13], S21, 2850285829); /* 29 */
|
||||||
|
GG(d, a, b, c, in[2], S22, 4243563512); /* 30 */
|
||||||
|
GG(c, d, a, b, in[7], S23, 1735328473); /* 31 */
|
||||||
|
GG(b, c, d, a, in[12], S24, 2368359562); /* 32 */
|
||||||
|
|
||||||
|
// Round 3
|
||||||
|
#define S31 4
|
||||||
|
#define S32 11
|
||||||
|
#define S33 16
|
||||||
|
#define S34 23
|
||||||
|
HH(a, b, c, d, in[5], S31, 4294588738); /* 33 */
|
||||||
|
HH(d, a, b, c, in[8], S32, 2272392833); /* 34 */
|
||||||
|
HH(c, d, a, b, in[11], S33, 1839030562); /* 35 */
|
||||||
|
HH(b, c, d, a, in[14], S34, 4259657740); /* 36 */
|
||||||
|
HH(a, b, c, d, in[1], S31, 2763975236); /* 37 */
|
||||||
|
HH(d, a, b, c, in[4], S32, 1272893353); /* 38 */
|
||||||
|
HH(c, d, a, b, in[7], S33, 4139469664); /* 39 */
|
||||||
|
HH(b, c, d, a, in[10], S34, 3200236656); /* 40 */
|
||||||
|
HH(a, b, c, d, in[13], S31, 681279174); /* 41 */
|
||||||
|
HH(d, a, b, c, in[0], S32, 3936430074); /* 42 */
|
||||||
|
HH(c, d, a, b, in[3], S33, 3572445317); /* 43 */
|
||||||
|
HH(b, c, d, a, in[6], S34, 76029189); /* 44 */
|
||||||
|
HH(a, b, c, d, in[9], S31, 3654602809); /* 45 */
|
||||||
|
HH(d, a, b, c, in[12], S32, 3873151461); /* 46 */
|
||||||
|
HH(c, d, a, b, in[15], S33, 530742520); /* 47 */
|
||||||
|
HH(b, c, d, a, in[2], S34, 3299628645); /* 48 */
|
||||||
|
|
||||||
|
// Round 4
|
||||||
|
#define S41 6
|
||||||
|
#define S42 10
|
||||||
|
#define S43 15
|
||||||
|
#define S44 21
|
||||||
|
II(a, b, c, d, in[0], S41, 4096336452); /* 49 */
|
||||||
|
II(d, a, b, c, in[7], S42, 1126891415); /* 50 */
|
||||||
|
II(c, d, a, b, in[14], S43, 2878612391); /* 51 */
|
||||||
|
II(b, c, d, a, in[5], S44, 4237533241); /* 52 */
|
||||||
|
II(a, b, c, d, in[12], S41, 1700485571); /* 53 */
|
||||||
|
II(d, a, b, c, in[3], S42, 2399980690); /* 54 */
|
||||||
|
II(c, d, a, b, in[10], S43, 4293915773); /* 55 */
|
||||||
|
II(b, c, d, a, in[1], S44, 2240044497); /* 56 */
|
||||||
|
II(a, b, c, d, in[8], S41, 1873313359); /* 57 */
|
||||||
|
II(d, a, b, c, in[15], S42, 4264355552); /* 58 */
|
||||||
|
II(c, d, a, b, in[6], S43, 2734768916); /* 59 */
|
||||||
|
II(b, c, d, a, in[13], S44, 1309151649); /* 60 */
|
||||||
|
II(a, b, c, d, in[4], S41, 4149444226); /* 61 */
|
||||||
|
II(d, a, b, c, in[11], S42, 3174756917); /* 62 */
|
||||||
|
II(c, d, a, b, in[2], S43, 718787259); /* 63 */
|
||||||
|
II(b, c, d, a, in[9], S44, 3951481745); /* 64 */
|
||||||
|
|
||||||
|
buf[0] += a;
|
||||||
|
buf[1] += b;
|
||||||
|
buf[2] += c;
|
||||||
|
buf[3] += d;
|
||||||
|
}
|
||||||
|
|
||||||
|
BOOL MD5_Hash_File(unsigned char digest[16], char *pszFileName, BOOL bUsefopen, BOOL bSeed, unsigned int seed[4])
|
||||||
|
{
|
||||||
|
FileHandle_t fp = (FileHandle_t)FS_OpenPathID(pszFileName, "rb", "GAMECONFIG");
|
||||||
|
if (!fp)
|
||||||
|
fp = FS_Open(pszFileName, "rb");
|
||||||
|
|
||||||
|
if (!fp)
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
int nSize = FS_Size(fp);
|
||||||
|
if (nSize <= 0)
|
||||||
|
{
|
||||||
|
FS_Close(fp);
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
MD5Context_t ctx;
|
||||||
|
Q_memset(&ctx, 0, sizeof(ctx));
|
||||||
|
MD5Init(&ctx);
|
||||||
|
if (bSeed)
|
||||||
|
MD5Update(&ctx, (unsigned char*)seed, 16);
|
||||||
|
|
||||||
|
while (1)
|
||||||
|
{
|
||||||
|
byte chunk[1024];
|
||||||
|
int nBytesRead = FS_Read(chunk, (nSize <= sizeof(chunk)) ? nSize : sizeof(chunk), 1, fp);
|
||||||
|
if (nBytesRead > 0)
|
||||||
|
{
|
||||||
|
nSize -= nBytesRead;
|
||||||
|
MD5Update(&ctx, chunk, nBytesRead);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (FS_EndOfFile(fp))
|
||||||
|
{
|
||||||
|
FS_Close(fp);
|
||||||
|
MD5Final(digest, &ctx);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!FS_IsOk(fp))
|
||||||
|
break;
|
||||||
|
|
||||||
|
if (nSize <= 0)
|
||||||
|
{
|
||||||
|
FS_Close(fp);
|
||||||
|
MD5Final(digest, &ctx);
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
FS_Close(fp);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
char *MD5_Print(unsigned char hash[16])
|
||||||
|
{
|
||||||
|
#ifdef REHLDS_FIXES
|
||||||
|
static char szReturn[33]; // Maximum output is 32 characters
|
||||||
|
Q_snprintf(
|
||||||
|
szReturn, sizeof(szReturn),
|
||||||
|
"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
||||||
|
hash[0], hash[1], hash[2], hash[3], hash[4], hash[5], hash[6], hash[7],
|
||||||
|
hash[8], hash[9], hash[10], hash[11], hash[12], hash[13], hash[14], hash[15]
|
||||||
|
);
|
||||||
|
#else
|
||||||
|
static char szReturn[64];
|
||||||
|
char szChunk[10];
|
||||||
|
int i;
|
||||||
|
|
||||||
|
Q_memset(szReturn, 0, sizeof(szReturn));
|
||||||
|
|
||||||
|
for (i = 0; i < 16; i++)
|
||||||
|
{
|
||||||
|
Q_snprintf(szChunk, sizeof(szChunk), "%02x", hash[i]);
|
||||||
|
Q_strncat(szReturn, szChunk, sizeof(szReturn) - Q_strlen(szReturn) - 1);
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
return szReturn;
|
||||||
|
}
|
||||||
@ -72,6 +72,7 @@
|
|||||||
#include "vid_null.h"
|
#include "vid_null.h"
|
||||||
#include "l_studio.h"
|
#include "l_studio.h"
|
||||||
#include "crc.h"
|
#include "crc.h"
|
||||||
|
#include "md5.h"
|
||||||
#include "sv_remoteaccess.h"
|
#include "sv_remoteaccess.h"
|
||||||
#include "sv_upld.h"
|
#include "sv_upld.h"
|
||||||
#include "com_custom.h"
|
#include "com_custom.h"
|
||||||
|
|||||||
@ -324,6 +324,7 @@
|
|||||||
<ClInclude Include="..\common\const.h" />
|
<ClInclude Include="..\common\const.h" />
|
||||||
<ClInclude Include="..\common\con_nprint.h" />
|
<ClInclude Include="..\common\con_nprint.h" />
|
||||||
<ClInclude Include="..\common\crc.h" />
|
<ClInclude Include="..\common\crc.h" />
|
||||||
|
<ClInclude Include="..\common\md5.h" />
|
||||||
<ClInclude Include="..\common\cvardef.h" />
|
<ClInclude Include="..\common\cvardef.h" />
|
||||||
<ClInclude Include="..\common\demo_api.h" />
|
<ClInclude Include="..\common\demo_api.h" />
|
||||||
<ClInclude Include="..\common\director_cmds.h" />
|
<ClInclude Include="..\common\director_cmds.h" />
|
||||||
@ -1102,4 +1103,4 @@
|
|||||||
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
|
||||||
<ImportGroup Label="ExtensionTargets">
|
<ImportGroup Label="ExtensionTargets">
|
||||||
</ImportGroup>
|
</ImportGroup>
|
||||||
</Project>
|
</Project>
|
||||||
|
|||||||
@ -417,6 +417,9 @@
|
|||||||
<ClInclude Include="..\common\crc.h">
|
<ClInclude Include="..\common\crc.h">
|
||||||
<Filter>common</Filter>
|
<Filter>common</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
|
<ClInclude Include="..\common\md5.h">
|
||||||
|
<Filter>common</Filter>
|
||||||
|
</ClInclude>
|
||||||
<ClInclude Include="..\common\cvardef.h">
|
<ClInclude Include="..\common\cvardef.h">
|
||||||
<Filter>common</Filter>
|
<Filter>common</Filter>
|
||||||
</ClInclude>
|
</ClInclude>
|
||||||
@ -1083,4 +1086,4 @@
|
|||||||
<Filter>linux</Filter>
|
<Filter>linux</Filter>
|
||||||
</None>
|
</None>
|
||||||
</ItemGroup>
|
</ItemGroup>
|
||||||
</Project>
|
</Project>
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user