+++ /dev/null
-/*
-Copyright (C) 2003, 2010 - Wolfire Games
-
-This file is part of Lugaru.
-
-Lugaru 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.
-*/
-
-// MD5.CC - source code for the C++/object oriented translation and
-// modification of MD5.
-
-// Translation and modification (c) 1995 by Mordechai T. Abzug
-
-// This translation/ modification is provided "as is," without express or
-// implied warranty of any kind.
-
-// The translator/ modifier does not claim (1) that MD5 will do what you think
-// it does; (2) that this translation/ modification is accurate; or (3) that
-// this software is "merchantible." (Language for this disclaimer partially
-// copied from the disclaimer below).
-
-/* based on:
-
-MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
-MDDRIVER.C - test driver for MD2, MD4 and MD5
-
-
-Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
-
-*/
-
-
-
-
-
-
-#include "md5.h"
-
-#include <assert.h>
-//#include <strings.h>
-#include <iostream>
-
-
-
-
-// MD5 simple initialization method
-
-MD5::MD5(){
-
- init();
-
-}
-
-
-
-
-// MD5 block update operation. Continues an MD5 message-digest
-// operation, processing another message block, and updating the
-// context.
-
-void MD5::update (uint1 *input, uint4 input_length) {
-
- uint4 input_index, buffer_index;
- uint4 buffer_space; // how much space is left in buffer
-
- if (finalized){ // so we can't update!
- cerr << "MD5::update: Can't update a finalized digest!" << endl;
- return;
- }
-
- // Compute number of bytes mod 64
- buffer_index = (unsigned int)((count[0] >> 3) & 0x3F);
-
- // Update number of bits
- if ( (count[0] += ((uint4) input_length << 3))<((uint4) input_length << 3) )
- count[1]++;
-
- count[1] += ((uint4)input_length >> 29);
-
-
- buffer_space = 64 - buffer_index; // how much space is left in buffer
-
- // Transform as many times as possible.
- if (input_length >= buffer_space) { // ie. we have enough to fill the buffer
- // fill the rest of the buffer and transform
- memcpy (buffer + buffer_index, input, buffer_space);
- transform (buffer);
-
- // now, transform each 64-byte piece of the input, bypassing the buffer
- for (input_index = buffer_space; input_index + 63 < input_length;
- input_index += 64)
- transform (input+input_index);
-
- buffer_index = 0; // so we can buffer remaining
- }
- else
- input_index=0; // so we can buffer the whole input
-
-
- // and here we do the buffering:
- memcpy(buffer+buffer_index, input+input_index, input_length-input_index);
-}
-
-
-
-// MD5 update for files.
-// Like above, except that it works on files (and uses above as a primitive.)
-
-void MD5::update(FILE *file){
-
- unsigned char buffer[1024];
- int len;
-
- while (len=fread(buffer, 1, 1024, file))
- update(buffer, len);
-
- fclose (file);
-
-}
-
-
-
-
-
-
-// MD5 update for istreams.
-// Like update for files; see above.
-
-void MD5::update(istream& stream){
-
- unsigned char buffer[1024];
- int len;
-
- while (stream.good()){
- stream.read((char *)buffer, (long)1024); // note that return value of read is unusable.
- len=stream.gcount();
- update(buffer, len);
- }
-
-}
-
-
-
-
-
-
-// MD5 update for ifstreams.
-// Like update for files; see above.
-
-void MD5::update(ifstream& stream){
-
- unsigned char buffer[1024];
- int len;
-
- while (stream.good()){
- stream.read((char *)buffer, (long)1024); // note that return value of read is unusable.
- len=stream.gcount();
- update(buffer, len);
- }
-
-}
-
-
-
-
-
-
-// MD5 finalization. Ends an MD5 message-digest operation, writing the
-// the message digest and zeroizing the context.
-
-
-void MD5::finalize (){
-
- unsigned char bits[8];
- unsigned int index, padLen;
- static uint1 PADDING[64]={
- 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
- };
-
- if (finalized){
- cerr << "MD5::finalize: Already finalized this digest!" << endl;
- return;
- }
-
- // Save number of bits
- encode (bits, count, 8);
-
- // Pad out to 56 mod 64.
- index = (uint4) ((count[0] >> 3) & 0x3f);
- padLen = (index < 56) ? (56 - index) : (120 - index);
- update (PADDING, padLen);
-
- // Append length (before padding)
- update (bits, 8);
-
- // Store state in digest
- encode (digest, state, 16);
-
- // Zeroize sensitive information
- memset (buffer, 0, sizeof(*buffer));
-
- finalized=1;
-
-}
-
-
-
-
-MD5::MD5(FILE *file){
-
- init(); // must be called be all constructors
- update(file);
- finalize ();
-}
-
-
-
-
-MD5::MD5(istream& stream){
-
- init(); // must called by all constructors
- update (stream);
- finalize();
-}
-
-
-
-MD5::MD5(ifstream& stream){
-
- init(); // must called by all constructors
- update (stream);
- finalize();
-}
-
-
-
-unsigned char *MD5::raw_digest(){
-
- uint1 *s = new uint1[16];
-
- if (!finalized){
- cerr << "MD5::raw_digest: Can't get digest if you haven't "<<
- "finalized the digest!" <<endl;
- return ( (unsigned char*) "");
- }
-
- memcpy(s, digest, 16);
- return s;
-}
-
-
-
-char *MD5::hex_digest(){
-
- int i;
- char *s= new char[33];
-
- if (!finalized){
- cerr << "MD5::hex_digest: Can't get digest if you haven't "<<
- "finalized the digest!" <<endl;
- return "";
- }
-
- for (i=0; i<16; i++)
- sprintf(s+i*2, "%02x", digest[i]);
-
- s[32]='\0';
-
- return s;
-}
-
-
-
-
-
-ostream& operator<<(ostream &stream, MD5 context){
-
- stream << context.hex_digest();
- return stream;
-}
-
-
-
-
-// PRIVATE METHODS:
-
-
-
-void MD5::init(){
- finalized=0; // we just started!
-
- // Nothing counted, so count=0
- count[0] = 0;
- count[1] = 0;
-
- // Load magic initialization constants.
- state[0] = 0x67452301;
- state[1] = 0xefcdab89;
- state[2] = 0x98badcfe;
- state[3] = 0x10325476;
-}
-
-
-
-// Constants for MD5Transform routine.
-// Although we could use C++ style constants, defines are actually better,
-// since they let us easily evade scope clashes.
-
-#define S11 7
-#define S12 12
-#define S13 17
-#define S14 22
-#define S21 5
-#define S22 9
-#define S23 14
-#define S24 20
-#define S31 4
-#define S32 11
-#define S33 16
-#define S34 23
-#define S41 6
-#define S42 10
-#define S43 15
-#define S44 21
-
-
-
-
-// MD5 basic transformation. Transforms state based on block.
-void MD5::transform (uint1 block[64]){
-
- uint4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
-
- decode (x, block, 64);
-
- assert(!finalized); // not just a user error, since the method is private
-
- /* Round 1 */
- FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
- FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
- FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
- FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
- FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
- FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
- FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
- FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
- FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
- FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
- FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
- FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
- FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
- FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
- FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
- FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
-
- /* Round 2 */
- GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
- GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
- GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
- GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
- GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
- GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
- GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
- GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
- GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
- GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
- GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
- GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
- GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
- GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
- GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
- GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
-
- /* Round 3 */
- HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
- HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
- HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
- HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
- HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
- HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
- HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
- HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
- HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
- HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
- HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
- HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
- HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
- HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
- HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
- HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
-
- /* Round 4 */
- II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
- II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
- II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
- II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
- II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
- II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
- II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
- II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
- II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
- II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
- II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
- II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
- II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
- II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
- II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
- II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
-
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
-
- // Zeroize sensitive information.
- memset ( (uint1 *) x, 0, sizeof(x));
-
-}
-
-
-
-// Encodes input (UINT4) into output (unsigned char). Assumes len is
-// a multiple of 4.
-void MD5::encode (uint1 *output, uint4 *input, uint4 len) {
-
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (uint1) (input[i] & 0xff);
- output[j+1] = (uint1) ((input[i] >> 8) & 0xff);
- output[j+2] = (uint1) ((input[i] >> 16) & 0xff);
- output[j+3] = (uint1) ((input[i] >> 24) & 0xff);
- }
-}
-
-
-
-
-// Decodes input (unsigned char) into output (UINT4). Assumes len is
-// a multiple of 4.
-void MD5::decode (uint4 *output, uint1 *input, uint4 len){
-
- unsigned int i, j;
-
- for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = ((uint4)input[j]) | (((uint4)input[j+1]) << 8) |
- (((uint4)input[j+2]) << 16) | (((uint4)input[j+3]) << 24);
-}
-
-
-
-
-
-// Note: Replace "for loop" with standard memcpy if possible.
-void MD5::memcpy (uint1 *output, uint1 *input, uint4 len){
-
- unsigned int i;
-
- for (i = 0; i < len; i++)
- output[i] = input[i];
-}
-
-
-
-// Note: Replace "for loop" with standard memset if possible.
-void MD5::memset (uint1 *output, uint1 value, uint4 len){
-
- unsigned int i;
-
- for (i = 0; i < len; i++)
- output[i] = value;
-}
-
-
-
-// ROTATE_LEFT rotates x left n bits.
-
-inline unsigned int MD5::rotate_left (uint4 x, uint4 n){
- return (x << n) | (x >> (32-n)) ;
-}
-
-
-
-
-// F, G, H and I are basic MD5 functions.
-
-inline unsigned int MD5::F (uint4 x, uint4 y, uint4 z){
- return (x & y) | (~x & z);
-}
-
-inline unsigned int MD5::G (uint4 x, uint4 y, uint4 z){
- return (x & z) | (y & ~z);
-}
-
-inline unsigned int MD5::H (uint4 x, uint4 y, uint4 z){
- return x ^ y ^ z;
-}
-
-inline unsigned int MD5::I (uint4 x, uint4 y, uint4 z){
- return y ^ (x | ~z);
-}
-
-
-
-// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
-// Rotation is separate from addition to prevent recomputation.
-
-
-inline void MD5::FF(uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac){
- a += F(b, c, d) + x + ac;
- a = rotate_left (a, s) +b;
- }
-
- inline void MD5::GG(uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac){
- a += G(b, c, d) + x + ac;
- a = rotate_left (a, s) +b;
- }
-
- inline void MD5::HH(uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac){
- a += H(b, c, d) + x + ac;
- a = rotate_left (a, s) +b;
- }
-
- inline void MD5::II(uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac){
- a += I(b, c, d) + x + ac;
- a = rotate_left (a, s) +b;
- }
-
+++ /dev/null
-/*
-Copyright (C) 2003, 2010 - Wolfire Games
-
-This file is part of Lugaru.
-
-Lugaru 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.
-*/
-
-// MD5.CC - source code for the C++/object oriented translation and
-// modification of MD5.
-
-// Translation and modification (c) 1995 by Mordechai T. Abzug
-
-// This translation/ modification is provided "as is," without express or
-// implied warranty of any kind.
-
-// The translator/ modifier does not claim (1) that MD5 will do what you think
-// it does; (2) that this translation/ modification is accurate; or (3) that
-// this software is "merchantible." (Language for this disclaimer partially
-// copied from the disclaimer below).
-
-/* based on:
-
- MD5.H - header file for MD5C.C
- MDDRIVER.C - test driver for MD2, MD4 and MD5
-
- Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
-rights reserved.
-
-License to copy and use this software is granted provided that it
-is identified as the "RSA Data Security, Inc. MD5 Message-Digest
-Algorithm" in all material mentioning or referencing this software
-or this function.
-
-License is also granted to make and use derivative works provided
-that such works are identified as "derived from the RSA Data
-Security, Inc. MD5 Message-Digest Algorithm" in all material
-mentioning or referencing the derived work.
-
-RSA Data Security, Inc. makes no representations concerning either
-the merchantability of this software or the suitability of this
-software for any particular purpose. It is provided "as is"
-without express or implied warranty of any kind.
-
-These notices must be retained in any copies of any part of this
-documentation and/or software.
-
-*/
-
-#include <stdio.h>
-#include <fstream>
-#include <iostream>
-
-using namespace std;
-class MD5 {
-
-public:
-// methods for controlled operation:
- MD5 (); // simple initializer
- void update (unsigned char *input, unsigned int input_length);
- void update (istream& stream);
- void update (FILE *file);
- void update (ifstream& stream);
- void finalize ();
-
-// constructors for special circumstances. All these constructors finalize
-// the MD5 context.
- MD5 (unsigned char *string); // digest string, finalize
- MD5 (istream& stream); // digest stream, finalize
- MD5 (FILE *file); // digest file, close, finalize
- MD5 (ifstream& stream); // digest stream, close, finalize
-
-// methods to acquire finalized result
- unsigned char *raw_digest (); // digest as a 16-byte binary array
- char * hex_digest (); // digest as a 33-byte ascii-hex string
- friend ostream& operator<< (ostream&, MD5 context);
-
-
-
-private:
-
-// first, some types:
- typedef unsigned int uint4; // assumes integer is 4 words long
- typedef unsigned short int uint2; // assumes short integer is 2 words long
- typedef unsigned char uint1; // assumes char is 1 word long
-
-// next, the private data:
- uint4 state[4];
- uint4 count[2]; // number of *bits*, mod 2^64
- uint1 buffer[64]; // input buffer
- uint1 digest[16];
- uint1 finalized;
-
-// last, the private methods, mostly static:
- void init (); // called by all constructors
- void transform (uint1 *buffer); // does the real update work. Note
- // that length is implied to be 64.
-
- static void encode (uint1 *dest, uint4 *src, uint4 length);
- static void decode (uint4 *dest, uint1 *src, uint4 length);
- static void memcpy (uint1 *dest, uint1 *src, uint4 length);
- static void memset (uint1 *start, uint1 val, uint4 length);
-
- static inline uint4 rotate_left (uint4 x, uint4 n);
- static inline uint4 F (uint4 x, uint4 y, uint4 z);
- static inline uint4 G (uint4 x, uint4 y, uint4 z);
- static inline uint4 H (uint4 x, uint4 y, uint4 z);
- static inline uint4 I (uint4 x, uint4 y, uint4 z);
- static inline void FF (uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac);
- static inline void GG (uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac);
- static inline void HH (uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac);
- static inline void II (uint4& a, uint4 b, uint4 c, uint4 d, uint4 x,
- uint4 s, uint4 ac);
-
-};
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