diff -r 7602d7fb60d9 -r 026da5437111 core/md5.cpp
--- a/core/md5.cpp	Fri Jul 11 06:51:21 2008 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,485 +0,0 @@
-// 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 <string.h>
-
-// 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 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 ();
-}
-
-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;
-}
-
-unsigned char *MD5::raw_digest(unsigned char buffer[16])
-{
-	if (!finalized)
-	{
-		return ( (unsigned char*) "");
-	}
-
-	 memcpy(buffer, digest, 16);
-	 return buffer;
-}
-
-
-
-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;
-}
-
-
-char *MD5::hex_digest(char buffer[33]){
-
-  int i;
-
-  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(buffer+i*2, "%02x", digest[i]);
-
-  buffer[32]='\0';
-
-  return buffer;
-}
-
-
-// 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;
-}