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<h1>md5.cpp</h1><a href="md5_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//==============================================</span>
<a name="l00002"></a>00002 <span class="comment">// copyright : (C) 2003-2005 by Will Stokes</span>
<a name="l00003"></a>00003 <span class="comment">//==============================================</span>
<a name="l00004"></a>00004 <span class="comment">// This program is free software; you can redistribute it </span>
<a name="l00005"></a>00005 <span class="comment">// and/or modify it under the terms of the GNU General </span>
<a name="l00006"></a>00006 <span class="comment">// Public License as published by the Free Software </span>
<a name="l00007"></a>00007 <span class="comment">// Foundation; either version 2 of the License, or </span>
<a name="l00008"></a>00008 <span class="comment">// (at your option) any later version. </span>
<a name="l00009"></a>00009 <span class="comment">//==============================================</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011
<a name="l00012"></a>00012 <span class="comment">// MD5.CC - source code for the C++/object oriented translation and </span>
<a name="l00013"></a>00013 <span class="comment">// modification of MD5.</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="comment">// Translation and modification (c) 1995 by Mordechai T. Abzug </span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="comment">// This translation/ modification is provided "as is," without express or </span>
<a name="l00018"></a>00018 <span class="comment">// implied warranty of any kind.</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">// The translator/ modifier does not claim (1) that MD5 will do what you think </span>
<a name="l00021"></a>00021 <span class="comment">// it does; (2) that this translation/ modification is accurate; or (3) that </span>
<a name="l00022"></a>00022 <span class="comment">// this software is "merchantible." (Language for this disclaimer partially </span>
<a name="l00023"></a>00023 <span class="comment">// copied from the disclaimer below).</span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="comment">/* based on:</span>
<a name="l00026"></a>00026 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment"> MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm</span>
<a name="l00028"></a>00028 <span class="comment"> MDDRIVER.C - test driver for MD2, MD4 and MD5</span>
<a name="l00029"></a>00029 <span class="comment"></span>
<a name="l00030"></a>00030 <span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment"> Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All</span>
<a name="l00032"></a>00032 <span class="comment">rights reserved.</span>
<a name="l00033"></a>00033 <span class="comment"></span>
<a name="l00034"></a>00034 <span class="comment">License to copy and use this software is granted provided that it</span>
<a name="l00035"></a>00035 <span class="comment">is identified as the "RSA Data Security, Inc. MD5 Message-Digest</span>
<a name="l00036"></a>00036 <span class="comment">Algorithm" in all material mentioning or referencing this software</span>
<a name="l00037"></a>00037 <span class="comment">or this function.</span>
<a name="l00038"></a>00038 <span class="comment"></span>
<a name="l00039"></a>00039 <span class="comment">License is also granted to make and use derivative works provided</span>
<a name="l00040"></a>00040 <span class="comment">that such works are identified as "derived from the RSA Data</span>
<a name="l00041"></a>00041 <span class="comment">Security, Inc. MD5 Message-Digest Algorithm" in all material</span>
<a name="l00042"></a>00042 <span class="comment">mentioning or referencing the derived work.</span>
<a name="l00043"></a>00043 <span class="comment"></span>
<a name="l00044"></a>00044 <span class="comment">RSA Data Security, Inc. makes no representations concerning either</span>
<a name="l00045"></a>00045 <span class="comment">the merchantability of this software or the suitability of this</span>
<a name="l00046"></a>00046 <span class="comment">software for any particular purpose. It is provided "as is"</span>
<a name="l00047"></a>00047 <span class="comment">without express or implied warranty of any kind.</span>
<a name="l00048"></a>00048 <span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment">These notices must be retained in any copies of any part of this</span>
<a name="l00050"></a>00050 <span class="comment">documentation and/or software.</span>
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment"> */</span>
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="preprocessor">#include <assert.h></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include <string></span>
<a name="l00056"></a>00056 <span class="preprocessor">#include <iostream></span>
<a name="l00057"></a>00057 <span class="preprocessor">#include <stdio.h></span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="preprocessor">#include "<a class="code" href="md5_8h.html">md5.h</a>"</span>
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="comment">// MD5 simple initialization method</span>
<a name="l00062"></a><a class="code" href="classMD5.html#fa6155ec36de415ab2dcf5e54b670d13">00062</a> <a class="code" href="classMD5.html#fa6155ec36de415ab2dcf5e54b670d13">MD5::MD5</a>()
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <a class="code" href="classMD5.html#65ddaecdd0bd0b09043a2f3b2601bc2e">init</a>();
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="comment">// MD5 block update operation. Continues an MD5 message-digest</span>
<a name="l00068"></a>00068 <span class="comment">// operation, processing another message block, and updating the</span>
<a name="l00069"></a>00069 <span class="comment">// context.</span>
<a name="l00070"></a>00070
<a name="l00071"></a><a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">00071</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">MD5::update</a> (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *input, uint4 input_length) {
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a> input_index, buffer_index;
<a name="l00074"></a>00074 <a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a> buffer_space; <span class="comment">// how much space is left in buffer</span>
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordflow">if</span> (<a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>){ <span class="comment">// so we can't update!</span>
<a name="l00077"></a>00077 std::cerr << <span class="stringliteral">"MD5::update: Can't update a finalized digest!"</span> << std::endl;
<a name="l00078"></a>00078 <span class="keywordflow">return</span>;
<a name="l00079"></a>00079 }
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="comment">// Compute number of bytes mod 64</span>
<a name="l00082"></a>00082 buffer_index = (<span class="keywordtype">unsigned</span> int)((<a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[0] >> 3) & 0x3F);
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="comment">// Update number of bits</span>
<a name="l00085"></a>00085 <span class="keywordflow">if</span> ( (<a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[0] += ((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>) input_length << 3))<((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>) input_length << 3) )
<a name="l00086"></a>00086 <a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[1]++;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[1] += ((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>)input_length >> 29);
<a name="l00089"></a>00089
<a name="l00090"></a>00090
<a name="l00091"></a>00091 buffer_space = 64 - buffer_index; <span class="comment">// how much space is left in buffer</span>
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="comment">// Transform as many times as possible.</span>
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (input_length >= buffer_space) { <span class="comment">// ie. we have enough to fill the buffer</span>
<a name="l00095"></a>00095 <span class="comment">// fill the rest of the buffer and transform</span>
<a name="l00096"></a>00096 <a class="code" href="classMD5.html#fbd51b185fdb0e0536b5a1b2da2773d3">memcpy</a> (<a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a> + buffer_index, input, buffer_space);
<a name="l00097"></a>00097 <a class="code" href="classMD5.html#21be16898dc8f6dfed2fb6221978af7f">transform</a> (<a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>);
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="comment">// now, transform each 64-byte piece of the input, bypassing the buffer</span>
<a name="l00100"></a>00100 <span class="keywordflow">for</span> (input_index = buffer_space; input_index + 63 < input_length;
<a name="l00101"></a>00101 input_index += 64)
<a name="l00102"></a>00102 <a class="code" href="classMD5.html#21be16898dc8f6dfed2fb6221978af7f">transform</a> (input+input_index);
<a name="l00103"></a>00103
<a name="l00104"></a>00104 buffer_index = 0; <span class="comment">// so we can buffer remaining</span>
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106 <span class="keywordflow">else</span>
<a name="l00107"></a>00107 input_index=0; <span class="comment">// so we can buffer the whole input</span>
<a name="l00108"></a>00108
<a name="l00109"></a>00109
<a name="l00110"></a>00110 <span class="comment">// and here we do the buffering:</span>
<a name="l00111"></a>00111 <a class="code" href="classMD5.html#fbd51b185fdb0e0536b5a1b2da2773d3">memcpy</a>(<a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>+buffer_index, input+input_index, input_length-input_index);
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00114"></a>00114
<a name="l00115"></a>00115
<a name="l00116"></a>00116 <span class="comment">// MD5 update for files.</span>
<a name="l00117"></a>00117 <span class="comment">// Like above, except that it works on files (and uses above as a primitive.)</span>
<a name="l00118"></a>00118
<a name="l00119"></a><a class="code" href="classMD5.html#870b8675bca4d33b858d2b1abce9981a">00119</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">MD5::update</a>(FILE *file){
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>[1024];
<a name="l00122"></a>00122 <span class="keywordtype">int</span> len;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">while</span> (<span class="keyword">true</span>)
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 len=fread(buffer, 1, 1024, file);
<a name="l00127"></a>00127 <span class="keywordflow">if</span>(!len)
<a name="l00128"></a>00128 { <span class="keywordflow">break</span>; }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a>(buffer, len);
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 fclose (file);
<a name="l00134"></a>00134
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a>00137
<a name="l00138"></a>00138
<a name="l00139"></a>00139
<a name="l00140"></a>00140
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">// MD5 update for istreams.</span>
<a name="l00143"></a>00143 <span class="comment">// Like update for files; see above.</span>
<a name="l00144"></a>00144
<a name="l00145"></a><a class="code" href="classMD5.html#b2ee8aedcefa7c3217b77366eb92f2cf">00145</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">MD5::update</a>(std::istream& stream){
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>[1024];
<a name="l00148"></a>00148 <span class="keywordtype">int</span> len;
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordflow">while</span> (stream.good()){
<a name="l00151"></a>00151 stream.read((<span class="keywordtype">char</span>*)buffer, 1024); <span class="comment">// note that return value of read is unusable.</span>
<a name="l00152"></a>00152 len=stream.gcount();
<a name="l00153"></a>00153 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a>(buffer, len);
<a name="l00154"></a>00154 }
<a name="l00155"></a>00155
<a name="l00156"></a>00156 }
<a name="l00157"></a>00157
<a name="l00158"></a>00158
<a name="l00159"></a>00159
<a name="l00160"></a>00160
<a name="l00161"></a>00161
<a name="l00162"></a>00162
<a name="l00163"></a>00163 <span class="comment">// MD5 update for ifstreams.</span>
<a name="l00164"></a>00164 <span class="comment">// Like update for files; see above.</span>
<a name="l00165"></a>00165
<a name="l00166"></a><a class="code" href="classMD5.html#f5cecef5a1298ecb87823b9653c9af8b">00166</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">MD5::update</a>(std::ifstream& stream){
<a name="l00167"></a>00167
<a name="l00168"></a>00168 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> <a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>[1024];
<a name="l00169"></a>00169 <span class="keywordtype">int</span> len;
<a name="l00170"></a>00170
<a name="l00171"></a>00171 <span class="keywordflow">while</span> (stream.good()){
<a name="l00172"></a>00172 stream.read((<span class="keywordtype">char</span>*)buffer, 1024); <span class="comment">// note that return value of read is unusable.</span>
<a name="l00173"></a>00173 len=stream.gcount();
<a name="l00174"></a>00174 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a>(buffer, len);
<a name="l00175"></a>00175 }
<a name="l00176"></a>00176
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179
<a name="l00180"></a>00180
<a name="l00181"></a>00181
<a name="l00182"></a>00182
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="comment">// MD5 finalization. Ends an MD5 message-digest operation, writing the</span>
<a name="l00185"></a>00185 <span class="comment">// the message digest and zeroizing the context.</span>
<a name="l00186"></a>00186
<a name="l00187"></a>00187
<a name="l00188"></a><a class="code" href="classMD5.html#de6a48e72d63710ab567cf473a3af0b0">00188</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#de6a48e72d63710ab567cf473a3af0b0">MD5::finalize</a> (){
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> bits[8];
<a name="l00191"></a>00191 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index, padLen;
<a name="l00192"></a>00192 <span class="keyword">static</span> <a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> PADDING[64]={
<a name="l00193"></a>00193 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
<a name="l00194"></a>00194 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
<a name="l00195"></a>00195 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
<a name="l00196"></a>00196 };
<a name="l00197"></a>00197
<a name="l00198"></a>00198 <span class="keywordflow">if</span> (<a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>){
<a name="l00199"></a>00199 std::cerr << <span class="stringliteral">"MD5::finalize: Already finalized this digest!"</span> << std::endl;
<a name="l00200"></a>00200 <span class="keywordflow">return</span>;
<a name="l00201"></a>00201 }
<a name="l00202"></a>00202
<a name="l00203"></a>00203 <span class="comment">// Save number of bits</span>
<a name="l00204"></a>00204 <a class="code" href="classMD5.html#aa1d4425ffa51a6cef1b9d7036edcbfe">encode</a> (bits, <a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>, 8);
<a name="l00205"></a>00205
<a name="l00206"></a>00206 <span class="comment">// Pad out to 56 mod 64.</span>
<a name="l00207"></a>00207 index = (<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>) ((<a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[0] >> 3) & 0x3f);
<a name="l00208"></a>00208 padLen = (index < 56) ? (56 - index) : (120 - index);
<a name="l00209"></a>00209 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a> (PADDING, padLen);
<a name="l00210"></a>00210
<a name="l00211"></a>00211 <span class="comment">// Append length (before padding)</span>
<a name="l00212"></a>00212 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a> (bits, 8);
<a name="l00213"></a>00213
<a name="l00214"></a>00214 <span class="comment">// Store state in digest</span>
<a name="l00215"></a>00215 <a class="code" href="classMD5.html#aa1d4425ffa51a6cef1b9d7036edcbfe">encode</a> (<a class="code" href="classMD5.html#31058e1dca10bbf29818bb5177ff02ac">digest</a>, <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>, 16);
<a name="l00216"></a>00216
<a name="l00217"></a>00217 <span class="comment">// Zeroize sensitive information</span>
<a name="l00218"></a>00218 <a class="code" href="classMD5.html#e2affb1e7d58a204d9ae367ea7b51c36">memset</a> (<a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>, 0, <span class="keyword">sizeof</span>(*<a class="code" href="classMD5.html#2da5cb0336064b6f96de5b69fd4d219d">buffer</a>));
<a name="l00219"></a>00219
<a name="l00220"></a>00220 <a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>=1;
<a name="l00221"></a>00221
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223
<a name="l00224"></a>00224
<a name="l00225"></a>00225
<a name="l00226"></a>00226
<a name="l00227"></a><a class="code" href="classMD5.html#42be31aa712ef5450fad065ff7697f47">00227</a> <a class="code" href="classMD5.html#fa6155ec36de415ab2dcf5e54b670d13">MD5::MD5</a>(FILE *file){
<a name="l00228"></a>00228
<a name="l00229"></a>00229 <a class="code" href="classMD5.html#65ddaecdd0bd0b09043a2f3b2601bc2e">init</a>(); <span class="comment">// must be called be all constructors</span>
<a name="l00230"></a>00230 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a>(file);
<a name="l00231"></a>00231 <a class="code" href="classMD5.html#de6a48e72d63710ab567cf473a3af0b0">finalize</a> ();
<a name="l00232"></a>00232 }
<a name="l00233"></a>00233
<a name="l00234"></a>00234
<a name="l00235"></a>00235
<a name="l00236"></a>00236
<a name="l00237"></a><a class="code" href="classMD5.html#0ba686151d255823a58a67f85a2395ee">00237</a> <a class="code" href="classMD5.html#fa6155ec36de415ab2dcf5e54b670d13">MD5::MD5</a>(std::istream& stream){
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <a class="code" href="classMD5.html#65ddaecdd0bd0b09043a2f3b2601bc2e">init</a>(); <span class="comment">// must called by all constructors</span>
<a name="l00240"></a>00240 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a> (stream);
<a name="l00241"></a>00241 <a class="code" href="classMD5.html#de6a48e72d63710ab567cf473a3af0b0">finalize</a>();
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244
<a name="l00245"></a>00245
<a name="l00246"></a><a class="code" href="classMD5.html#0b7bcbc89d7d86c4ac006a0e04d86fa5">00246</a> <a class="code" href="classMD5.html#fa6155ec36de415ab2dcf5e54b670d13">MD5::MD5</a>(std::ifstream& stream){
<a name="l00247"></a>00247
<a name="l00248"></a>00248 <a class="code" href="classMD5.html#65ddaecdd0bd0b09043a2f3b2601bc2e">init</a>(); <span class="comment">// must called by all constructors</span>
<a name="l00249"></a>00249 <a class="code" href="classMD5.html#026530856e198719a0a6dfd28e6d25bf">update</a> (stream);
<a name="l00250"></a>00250 <a class="code" href="classMD5.html#de6a48e72d63710ab567cf473a3af0b0">finalize</a>();
<a name="l00251"></a>00251 }
<a name="l00252"></a>00252
<a name="l00253"></a>00253
<a name="l00254"></a>00254
<a name="l00255"></a><a class="code" href="classMD5.html#af526d077ce13986854ee6223adaad5b">00255</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="classMD5.html#af526d077ce13986854ee6223adaad5b">MD5::raw_digest</a>(){
<a name="l00256"></a>00256
<a name="l00257"></a>00257 <a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *s = <span class="keyword">new</span> <a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a>[16];
<a name="l00258"></a>00258
<a name="l00259"></a>00259 <span class="keywordflow">if</span> (!<a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>){
<a name="l00260"></a>00260 std::cerr << <span class="stringliteral">"MD5::raw_digest: Can't get digest if you haven't "</span><<
<a name="l00261"></a>00261 <span class="stringliteral">"finalized the digest!"</span> << std::endl;
<a name="l00262"></a>00262 <span class="keywordflow">return</span> ( (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*) <span class="stringliteral">""</span>);
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <a class="code" href="classMD5.html#fbd51b185fdb0e0536b5a1b2da2773d3">memcpy</a>(s, <a class="code" href="classMD5.html#31058e1dca10bbf29818bb5177ff02ac">digest</a>, 16);
<a name="l00266"></a>00266 <span class="keywordflow">return</span> s;
<a name="l00267"></a>00267 }
<a name="l00268"></a>00268
<a name="l00269"></a>00269
<a name="l00270"></a>00270
<a name="l00271"></a><a class="code" href="classMD5.html#700837b0f2e59120805a24044692f5f8">00271</a> QString <a class="code" href="classMD5.html#700837b0f2e59120805a24044692f5f8">MD5::hex_digest</a>(){
<a name="l00272"></a>00272
<a name="l00273"></a>00273 <span class="keywordtype">int</span> i;
<a name="l00274"></a>00274 <span class="keywordtype">char</span> *s= <span class="keyword">new</span> <span class="keywordtype">char</span>[33];
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">if</span> (!<a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>){
<a name="l00277"></a>00277 std::cerr << <span class="stringliteral">"MD5::hex_digest: Can't get digest if you haven't "</span><<
<a name="l00278"></a>00278 <span class="stringliteral">"finalized the digest!"</span> << std::endl;
<a name="l00279"></a>00279 <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
<a name="l00280"></a>00280 }
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keywordflow">for</span> (i=0; i<16; i++)
<a name="l00283"></a>00283 sprintf(s+i*2, <span class="stringliteral">"%02x"</span>, <a class="code" href="classMD5.html#31058e1dca10bbf29818bb5177ff02ac">digest</a>[i]);
<a name="l00284"></a>00284
<a name="l00285"></a>00285 s[32]=<span class="charliteral">'\0'</span>;
<a name="l00286"></a>00286
<a name="l00287"></a>00287 QString result(s);
<a name="l00288"></a>00288 <span class="keyword">delete</span> s;
<a name="l00289"></a>00289 <span class="keywordflow">return</span> result;
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291
<a name="l00292"></a>00292
<a name="l00293"></a>00293 <span class="comment">// PRIVATE METHODS:</span>
<a name="l00294"></a>00294
<a name="l00295"></a>00295
<a name="l00296"></a>00296
<a name="l00297"></a><a class="code" href="classMD5.html#65ddaecdd0bd0b09043a2f3b2601bc2e">00297</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#65ddaecdd0bd0b09043a2f3b2601bc2e">MD5::init</a>(){
<a name="l00298"></a>00298 <a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>=0; <span class="comment">// we just started!</span>
<a name="l00299"></a>00299
<a name="l00300"></a>00300 <span class="comment">// Nothing counted, so count=0</span>
<a name="l00301"></a>00301 <a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[0] = 0;
<a name="l00302"></a>00302 <a class="code" href="classMD5.html#52a9ff26a3de9e831b17c1740aa5388a">count</a>[1] = 0;
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="comment">// Load magic initialization constants.</span>
<a name="l00305"></a>00305 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[0] = 0x67452301;
<a name="l00306"></a>00306 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[1] = 0xefcdab89;
<a name="l00307"></a>00307 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[2] = 0x98badcfe;
<a name="l00308"></a>00308 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[3] = 0x10325476;
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311
<a name="l00312"></a>00312
<a name="l00313"></a>00313 <span class="comment">// Constants for MD5Transform routine.</span>
<a name="l00314"></a>00314 <span class="comment">// Although we could use C++ style constants, defines are actually better,</span>
<a name="l00315"></a>00315 <span class="comment">// since they let us easily evade scope clashes.</span>
<a name="l00316"></a>00316
<a name="l00317"></a><a class="code" href="md5_8cpp.html#51398c0e5541164ad4d6615880073305">00317</a> <span class="preprocessor">#define S11 7</span>
<a name="l00318"></a><a class="code" href="md5_8cpp.html#1ec499cd0e54ecc28c2ac2afea5b038e">00318</a> <span class="preprocessor"></span><span class="preprocessor">#define S12 12</span>
<a name="l00319"></a><a class="code" href="md5_8cpp.html#aeec90429105fb54d853dd4fc7027a54">00319</a> <span class="preprocessor"></span><span class="preprocessor">#define S13 17</span>
<a name="l00320"></a><a class="code" href="md5_8cpp.html#78342b0ccde2ed12fdf19a113cc266cf">00320</a> <span class="preprocessor"></span><span class="preprocessor">#define S14 22</span>
<a name="l00321"></a><a class="code" href="md5_8cpp.html#b6d5354f647a0e7592a1f051fc8377b2">00321</a> <span class="preprocessor"></span><span class="preprocessor">#define S21 5</span>
<a name="l00322"></a><a class="code" href="md5_8cpp.html#ddad30455da936bc1879ee9c72b46d59">00322</a> <span class="preprocessor"></span><span class="preprocessor">#define S22 9</span>
<a name="l00323"></a><a class="code" href="md5_8cpp.html#6321a8b29628936f76e9e78cf5bda95f">00323</a> <span class="preprocessor"></span><span class="preprocessor">#define S23 14</span>
<a name="l00324"></a><a class="code" href="md5_8cpp.html#0c09eb77d30a0d5f9154914147b86c20">00324</a> <span class="preprocessor"></span><span class="preprocessor">#define S24 20</span>
<a name="l00325"></a><a class="code" href="md5_8cpp.html#ef26590f8a880ee6f4a158168defcd89">00325</a> <span class="preprocessor"></span><span class="preprocessor">#define S31 4</span>
<a name="l00326"></a><a class="code" href="md5_8cpp.html#1d512424dd8a91e0a5bcc98563f33914">00326</a> <span class="preprocessor"></span><span class="preprocessor">#define S32 11</span>
<a name="l00327"></a><a class="code" href="md5_8cpp.html#1c854214533f6220e859b0063196abb3">00327</a> <span class="preprocessor"></span><span class="preprocessor">#define S33 16</span>
<a name="l00328"></a><a class="code" href="md5_8cpp.html#f6472be1d535970afee8e5266a74aa07">00328</a> <span class="preprocessor"></span><span class="preprocessor">#define S34 23</span>
<a name="l00329"></a><a class="code" href="md5_8cpp.html#b674ba129e588da55d1d494e1cf3c15e">00329</a> <span class="preprocessor"></span><span class="preprocessor">#define S41 6</span>
<a name="l00330"></a><a class="code" href="md5_8cpp.html#268ef1a49114a94b931cc6b313e3cd1b">00330</a> <span class="preprocessor"></span><span class="preprocessor">#define S42 10</span>
<a name="l00331"></a><a class="code" href="md5_8cpp.html#5aaa7121f39650d472746942ca68f959">00331</a> <span class="preprocessor"></span><span class="preprocessor">#define S43 15</span>
<a name="l00332"></a><a class="code" href="md5_8cpp.html#6a3989af72b55d169bd73a66f8620aae">00332</a> <span class="preprocessor"></span><span class="preprocessor">#define S44 21</span>
<a name="l00333"></a>00333 <span class="preprocessor"></span>
<a name="l00334"></a>00334
<a name="l00335"></a>00335
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="comment">// MD5 basic transformation. Transforms state based on block.</span>
<a name="l00338"></a>00338 <span class="keywordtype">void</span> <a class="code" href="classMD5.html#21be16898dc8f6dfed2fb6221978af7f">MD5::transform</a> (uint1 block[64]){
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a> a = <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[0], <a class="code" href="jpegInternal_8h.html#f320905358fa78701e4cc60b6135601f">b</a> = <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[1], c = <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[2], d = <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[3], x[16];
<a name="l00341"></a>00341
<a name="l00342"></a>00342 <a class="code" href="classMD5.html#fa4554df37a1d9aa67be5566772026d1">decode</a> (x, block, 64);
<a name="l00343"></a>00343
<a name="l00344"></a>00344 assert(!<a class="code" href="classMD5.html#35a2d039cfb8e13a959201667911211d">finalized</a>); <span class="comment">// not just a user error, since the method is private</span>
<a name="l00345"></a>00345
<a name="l00346"></a>00346 <span class="comment">/* Round 1 */</span>
<a name="l00347"></a>00347 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (a, b, c, d, x[ 0], <a class="code" href="md5_8cpp.html#51398c0e5541164ad4d6615880073305">S11</a>, 0xd76aa478); <span class="comment">/* 1 */</span>
<a name="l00348"></a>00348 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (d, a, b, c, x[ 1], <a class="code" href="md5_8cpp.html#1ec499cd0e54ecc28c2ac2afea5b038e">S12</a>, 0xe8c7b756); <span class="comment">/* 2 */</span>
<a name="l00349"></a>00349 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (c, d, a, b, x[ 2], <a class="code" href="md5_8cpp.html#aeec90429105fb54d853dd4fc7027a54">S13</a>, 0x242070db); <span class="comment">/* 3 */</span>
<a name="l00350"></a>00350 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (b, c, d, a, x[ 3], <a class="code" href="md5_8cpp.html#78342b0ccde2ed12fdf19a113cc266cf">S14</a>, 0xc1bdceee); <span class="comment">/* 4 */</span>
<a name="l00351"></a>00351 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (a, b, c, d, x[ 4], <a class="code" href="md5_8cpp.html#51398c0e5541164ad4d6615880073305">S11</a>, 0xf57c0faf); <span class="comment">/* 5 */</span>
<a name="l00352"></a>00352 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (d, a, b, c, x[ 5], <a class="code" href="md5_8cpp.html#1ec499cd0e54ecc28c2ac2afea5b038e">S12</a>, 0x4787c62a); <span class="comment">/* 6 */</span>
<a name="l00353"></a>00353 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (c, d, a, b, x[ 6], <a class="code" href="md5_8cpp.html#aeec90429105fb54d853dd4fc7027a54">S13</a>, 0xa8304613); <span class="comment">/* 7 */</span>
<a name="l00354"></a>00354 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (b, c, d, a, x[ 7], <a class="code" href="md5_8cpp.html#78342b0ccde2ed12fdf19a113cc266cf">S14</a>, 0xfd469501); <span class="comment">/* 8 */</span>
<a name="l00355"></a>00355 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (a, b, c, d, x[ 8], <a class="code" href="md5_8cpp.html#51398c0e5541164ad4d6615880073305">S11</a>, 0x698098d8); <span class="comment">/* 9 */</span>
<a name="l00356"></a>00356 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (d, a, b, c, x[ 9], <a class="code" href="md5_8cpp.html#1ec499cd0e54ecc28c2ac2afea5b038e">S12</a>, 0x8b44f7af); <span class="comment">/* 10 */</span>
<a name="l00357"></a>00357 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (c, d, a, b, x[10], <a class="code" href="md5_8cpp.html#aeec90429105fb54d853dd4fc7027a54">S13</a>, 0xffff5bb1); <span class="comment">/* 11 */</span>
<a name="l00358"></a>00358 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (b, c, d, a, x[11], <a class="code" href="md5_8cpp.html#78342b0ccde2ed12fdf19a113cc266cf">S14</a>, 0x895cd7be); <span class="comment">/* 12 */</span>
<a name="l00359"></a>00359 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (a, b, c, d, x[12], <a class="code" href="md5_8cpp.html#51398c0e5541164ad4d6615880073305">S11</a>, 0x6b901122); <span class="comment">/* 13 */</span>
<a name="l00360"></a>00360 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (d, a, b, c, x[13], <a class="code" href="md5_8cpp.html#1ec499cd0e54ecc28c2ac2afea5b038e">S12</a>, 0xfd987193); <span class="comment">/* 14 */</span>
<a name="l00361"></a>00361 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (c, d, a, b, x[14], <a class="code" href="md5_8cpp.html#aeec90429105fb54d853dd4fc7027a54">S13</a>, 0xa679438e); <span class="comment">/* 15 */</span>
<a name="l00362"></a>00362 <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">FF</a> (b, c, d, a, x[15], <a class="code" href="md5_8cpp.html#78342b0ccde2ed12fdf19a113cc266cf">S14</a>, 0x49b40821); <span class="comment">/* 16 */</span>
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="comment">/* Round 2 */</span>
<a name="l00365"></a>00365 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (a, b, c, d, x[ 1], <a class="code" href="md5_8cpp.html#b6d5354f647a0e7592a1f051fc8377b2">S21</a>, 0xf61e2562); <span class="comment">/* 17 */</span>
<a name="l00366"></a>00366 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (d, a, b, c, x[ 6], <a class="code" href="md5_8cpp.html#ddad30455da936bc1879ee9c72b46d59">S22</a>, 0xc040b340); <span class="comment">/* 18 */</span>
<a name="l00367"></a>00367 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (c, d, a, b, x[11], <a class="code" href="md5_8cpp.html#6321a8b29628936f76e9e78cf5bda95f">S23</a>, 0x265e5a51); <span class="comment">/* 19 */</span>
<a name="l00368"></a>00368 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (b, c, d, a, x[ 0], <a class="code" href="md5_8cpp.html#0c09eb77d30a0d5f9154914147b86c20">S24</a>, 0xe9b6c7aa); <span class="comment">/* 20 */</span>
<a name="l00369"></a>00369 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (a, b, c, d, x[ 5], <a class="code" href="md5_8cpp.html#b6d5354f647a0e7592a1f051fc8377b2">S21</a>, 0xd62f105d); <span class="comment">/* 21 */</span>
<a name="l00370"></a>00370 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (d, a, b, c, x[10], <a class="code" href="md5_8cpp.html#ddad30455da936bc1879ee9c72b46d59">S22</a>, 0x2441453); <span class="comment">/* 22 */</span>
<a name="l00371"></a>00371 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (c, d, a, b, x[15], <a class="code" href="md5_8cpp.html#6321a8b29628936f76e9e78cf5bda95f">S23</a>, 0xd8a1e681); <span class="comment">/* 23 */</span>
<a name="l00372"></a>00372 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (b, c, d, a, x[ 4], <a class="code" href="md5_8cpp.html#0c09eb77d30a0d5f9154914147b86c20">S24</a>, 0xe7d3fbc8); <span class="comment">/* 24 */</span>
<a name="l00373"></a>00373 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (a, b, c, d, x[ 9], <a class="code" href="md5_8cpp.html#b6d5354f647a0e7592a1f051fc8377b2">S21</a>, 0x21e1cde6); <span class="comment">/* 25 */</span>
<a name="l00374"></a>00374 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (d, a, b, c, x[14], <a class="code" href="md5_8cpp.html#ddad30455da936bc1879ee9c72b46d59">S22</a>, 0xc33707d6); <span class="comment">/* 26 */</span>
<a name="l00375"></a>00375 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (c, d, a, b, x[ 3], <a class="code" href="md5_8cpp.html#6321a8b29628936f76e9e78cf5bda95f">S23</a>, 0xf4d50d87); <span class="comment">/* 27 */</span>
<a name="l00376"></a>00376 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (b, c, d, a, x[ 8], <a class="code" href="md5_8cpp.html#0c09eb77d30a0d5f9154914147b86c20">S24</a>, 0x455a14ed); <span class="comment">/* 28 */</span>
<a name="l00377"></a>00377 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (a, b, c, d, x[13], <a class="code" href="md5_8cpp.html#b6d5354f647a0e7592a1f051fc8377b2">S21</a>, 0xa9e3e905); <span class="comment">/* 29 */</span>
<a name="l00378"></a>00378 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (d, a, b, c, x[ 2], <a class="code" href="md5_8cpp.html#ddad30455da936bc1879ee9c72b46d59">S22</a>, 0xfcefa3f8); <span class="comment">/* 30 */</span>
<a name="l00379"></a>00379 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (c, d, a, b, x[ 7], <a class="code" href="md5_8cpp.html#6321a8b29628936f76e9e78cf5bda95f">S23</a>, 0x676f02d9); <span class="comment">/* 31 */</span>
<a name="l00380"></a>00380 <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">GG</a> (b, c, d, a, x[12], <a class="code" href="md5_8cpp.html#0c09eb77d30a0d5f9154914147b86c20">S24</a>, 0x8d2a4c8a); <span class="comment">/* 32 */</span>
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="comment">/* Round 3 */</span>
<a name="l00383"></a>00383 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (a, b, c, d, x[ 5], <a class="code" href="md5_8cpp.html#ef26590f8a880ee6f4a158168defcd89">S31</a>, 0xfffa3942); <span class="comment">/* 33 */</span>
<a name="l00384"></a>00384 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (d, a, b, c, x[ 8], <a class="code" href="md5_8cpp.html#1d512424dd8a91e0a5bcc98563f33914">S32</a>, 0x8771f681); <span class="comment">/* 34 */</span>
<a name="l00385"></a>00385 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (c, d, a, b, x[11], <a class="code" href="md5_8cpp.html#1c854214533f6220e859b0063196abb3">S33</a>, 0x6d9d6122); <span class="comment">/* 35 */</span>
<a name="l00386"></a>00386 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (b, c, d, a, x[14], <a class="code" href="md5_8cpp.html#f6472be1d535970afee8e5266a74aa07">S34</a>, 0xfde5380c); <span class="comment">/* 36 */</span>
<a name="l00387"></a>00387 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (a, b, c, d, x[ 1], <a class="code" href="md5_8cpp.html#ef26590f8a880ee6f4a158168defcd89">S31</a>, 0xa4beea44); <span class="comment">/* 37 */</span>
<a name="l00388"></a>00388 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (d, a, b, c, x[ 4], <a class="code" href="md5_8cpp.html#1d512424dd8a91e0a5bcc98563f33914">S32</a>, 0x4bdecfa9); <span class="comment">/* 38 */</span>
<a name="l00389"></a>00389 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (c, d, a, b, x[ 7], <a class="code" href="md5_8cpp.html#1c854214533f6220e859b0063196abb3">S33</a>, 0xf6bb4b60); <span class="comment">/* 39 */</span>
<a name="l00390"></a>00390 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (b, c, d, a, x[10], <a class="code" href="md5_8cpp.html#f6472be1d535970afee8e5266a74aa07">S34</a>, 0xbebfbc70); <span class="comment">/* 40 */</span>
<a name="l00391"></a>00391 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (a, b, c, d, x[13], <a class="code" href="md5_8cpp.html#ef26590f8a880ee6f4a158168defcd89">S31</a>, 0x289b7ec6); <span class="comment">/* 41 */</span>
<a name="l00392"></a>00392 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (d, a, b, c, x[ 0], <a class="code" href="md5_8cpp.html#1d512424dd8a91e0a5bcc98563f33914">S32</a>, 0xeaa127fa); <span class="comment">/* 42 */</span>
<a name="l00393"></a>00393 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (c, d, a, b, x[ 3], <a class="code" href="md5_8cpp.html#1c854214533f6220e859b0063196abb3">S33</a>, 0xd4ef3085); <span class="comment">/* 43 */</span>
<a name="l00394"></a>00394 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (b, c, d, a, x[ 6], <a class="code" href="md5_8cpp.html#f6472be1d535970afee8e5266a74aa07">S34</a>, 0x4881d05); <span class="comment">/* 44 */</span>
<a name="l00395"></a>00395 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (a, b, c, d, x[ 9], <a class="code" href="md5_8cpp.html#ef26590f8a880ee6f4a158168defcd89">S31</a>, 0xd9d4d039); <span class="comment">/* 45 */</span>
<a name="l00396"></a>00396 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (d, a, b, c, x[12], <a class="code" href="md5_8cpp.html#1d512424dd8a91e0a5bcc98563f33914">S32</a>, 0xe6db99e5); <span class="comment">/* 46 */</span>
<a name="l00397"></a>00397 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (c, d, a, b, x[15], <a class="code" href="md5_8cpp.html#1c854214533f6220e859b0063196abb3">S33</a>, 0x1fa27cf8); <span class="comment">/* 47 */</span>
<a name="l00398"></a>00398 <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">HH</a> (b, c, d, a, x[ 2], <a class="code" href="md5_8cpp.html#f6472be1d535970afee8e5266a74aa07">S34</a>, 0xc4ac5665); <span class="comment">/* 48 */</span>
<a name="l00399"></a>00399
<a name="l00400"></a>00400 <span class="comment">/* Round 4 */</span>
<a name="l00401"></a>00401 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (a, b, c, d, x[ 0], <a class="code" href="md5_8cpp.html#b674ba129e588da55d1d494e1cf3c15e">S41</a>, 0xf4292244); <span class="comment">/* 49 */</span>
<a name="l00402"></a>00402 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (d, a, b, c, x[ 7], <a class="code" href="md5_8cpp.html#268ef1a49114a94b931cc6b313e3cd1b">S42</a>, 0x432aff97); <span class="comment">/* 50 */</span>
<a name="l00403"></a>00403 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (c, d, a, b, x[14], <a class="code" href="md5_8cpp.html#5aaa7121f39650d472746942ca68f959">S43</a>, 0xab9423a7); <span class="comment">/* 51 */</span>
<a name="l00404"></a>00404 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (b, c, d, a, x[ 5], <a class="code" href="md5_8cpp.html#6a3989af72b55d169bd73a66f8620aae">S44</a>, 0xfc93a039); <span class="comment">/* 52 */</span>
<a name="l00405"></a>00405 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (a, b, c, d, x[12], <a class="code" href="md5_8cpp.html#b674ba129e588da55d1d494e1cf3c15e">S41</a>, 0x655b59c3); <span class="comment">/* 53 */</span>
<a name="l00406"></a>00406 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (d, a, b, c, x[ 3], <a class="code" href="md5_8cpp.html#268ef1a49114a94b931cc6b313e3cd1b">S42</a>, 0x8f0ccc92); <span class="comment">/* 54 */</span>
<a name="l00407"></a>00407 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (c, d, a, b, x[10], <a class="code" href="md5_8cpp.html#5aaa7121f39650d472746942ca68f959">S43</a>, 0xffeff47d); <span class="comment">/* 55 */</span>
<a name="l00408"></a>00408 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (b, c, d, a, x[ 1], <a class="code" href="md5_8cpp.html#6a3989af72b55d169bd73a66f8620aae">S44</a>, 0x85845dd1); <span class="comment">/* 56 */</span>
<a name="l00409"></a>00409 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (a, b, c, d, x[ 8], <a class="code" href="md5_8cpp.html#b674ba129e588da55d1d494e1cf3c15e">S41</a>, 0x6fa87e4f); <span class="comment">/* 57 */</span>
<a name="l00410"></a>00410 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (d, a, b, c, x[15], <a class="code" href="md5_8cpp.html#268ef1a49114a94b931cc6b313e3cd1b">S42</a>, 0xfe2ce6e0); <span class="comment">/* 58 */</span>
<a name="l00411"></a>00411 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (c, d, a, b, x[ 6], <a class="code" href="md5_8cpp.html#5aaa7121f39650d472746942ca68f959">S43</a>, 0xa3014314); <span class="comment">/* 59 */</span>
<a name="l00412"></a>00412 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (b, c, d, a, x[13], <a class="code" href="md5_8cpp.html#6a3989af72b55d169bd73a66f8620aae">S44</a>, 0x4e0811a1); <span class="comment">/* 60 */</span>
<a name="l00413"></a>00413 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (a, b, c, d, x[ 4], <a class="code" href="md5_8cpp.html#b674ba129e588da55d1d494e1cf3c15e">S41</a>, 0xf7537e82); <span class="comment">/* 61 */</span>
<a name="l00414"></a>00414 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (d, a, b, c, x[11], <a class="code" href="md5_8cpp.html#268ef1a49114a94b931cc6b313e3cd1b">S42</a>, 0xbd3af235); <span class="comment">/* 62 */</span>
<a name="l00415"></a>00415 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (c, d, a, b, x[ 2], <a class="code" href="md5_8cpp.html#5aaa7121f39650d472746942ca68f959">S43</a>, 0x2ad7d2bb); <span class="comment">/* 63 */</span>
<a name="l00416"></a>00416 <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">II</a> (b, c, d, a, x[ 9], <a class="code" href="md5_8cpp.html#6a3989af72b55d169bd73a66f8620aae">S44</a>, 0xeb86d391); <span class="comment">/* 64 */</span>
<a name="l00417"></a>00417
<a name="l00418"></a>00418 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[0] += a;
<a name="l00419"></a>00419 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[1] += b;
<a name="l00420"></a>00420 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[2] += c;
<a name="l00421"></a>00421 <a class="code" href="classMD5.html#ae3f861952f5b129463f550170836db0">state</a>[3] += d;
<a name="l00422"></a>00422
<a name="l00423"></a>00423 <span class="comment">// Zeroize sensitive information.</span>
<a name="l00424"></a>00424 <a class="code" href="classMD5.html#e2affb1e7d58a204d9ae367ea7b51c36">memset</a> ( (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *) x, 0, <span class="keyword">sizeof</span>(x));
<a name="l00425"></a>00425
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427
<a name="l00428"></a>00428
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="comment">// Encodes input (UINT4) into output (unsigned char). Assumes len is</span>
<a name="l00431"></a>00431 <span class="comment">// a multiple of 4.</span>
<a name="l00432"></a><a class="code" href="classMD5.html#aa1d4425ffa51a6cef1b9d7036edcbfe">00432</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#aa1d4425ffa51a6cef1b9d7036edcbfe">MD5::encode</a> (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *output, uint4 *input, uint4 len) {
<a name="l00433"></a>00433
<a name="l00434"></a>00434 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, j;
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <span class="keywordflow">for</span> (i = 0, j = 0; j < len; i++, j += 4) {
<a name="l00437"></a>00437 output[j] = (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a>) (input[i] & 0xff);
<a name="l00438"></a>00438 output[j+1] = (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a>) ((input[i] >> 8) & 0xff);
<a name="l00439"></a>00439 output[j+2] = (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a>) ((input[i] >> 16) & 0xff);
<a name="l00440"></a>00440 output[j+3] = (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a>) ((input[i] >> 24) & 0xff);
<a name="l00441"></a>00441 }
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443
<a name="l00444"></a>00444
<a name="l00445"></a>00445
<a name="l00446"></a>00446
<a name="l00447"></a>00447 <span class="comment">// Decodes input (unsigned char) into output (UINT4). Assumes len is</span>
<a name="l00448"></a>00448 <span class="comment">// a multiple of 4.</span>
<a name="l00449"></a><a class="code" href="classMD5.html#fa4554df37a1d9aa67be5566772026d1">00449</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#fa4554df37a1d9aa67be5566772026d1">MD5::decode</a> (uint4 *output, <a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *input, uint4 len){
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i, j;
<a name="l00452"></a>00452
<a name="l00453"></a>00453 <span class="keywordflow">for</span> (i = 0, j = 0; j < len; i++, j += 4)
<a name="l00454"></a>00454 output[i] = ((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>)input[j]) | (((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>)input[j+1]) << 8) |
<a name="l00455"></a>00455 (((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>)input[j+2]) << 16) | (((<a class="code" href="classMD5.html#2e5b84a3d7db292f49873061214a0444">uint4</a>)input[j+3]) << 24);
<a name="l00456"></a>00456 }
<a name="l00457"></a>00457
<a name="l00458"></a>00458
<a name="l00459"></a>00459
<a name="l00460"></a>00460
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="comment">// Note: Replace "for loop" with standard memcpy if possible.</span>
<a name="l00463"></a><a class="code" href="classMD5.html#fbd51b185fdb0e0536b5a1b2da2773d3">00463</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#fbd51b185fdb0e0536b5a1b2da2773d3">MD5::memcpy</a> (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *output, <a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *input, uint4 len){
<a name="l00464"></a>00464
<a name="l00465"></a>00465 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00466"></a>00466
<a name="l00467"></a>00467 <span class="keywordflow">for</span> (i = 0; i < len; i++)
<a name="l00468"></a>00468 output[i] = input[i];
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470
<a name="l00471"></a>00471
<a name="l00472"></a>00472
<a name="l00473"></a>00473 <span class="comment">// Note: Replace "for loop" with standard memset if possible.</span>
<a name="l00474"></a><a class="code" href="classMD5.html#e2affb1e7d58a204d9ae367ea7b51c36">00474</a> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#e2affb1e7d58a204d9ae367ea7b51c36">MD5::memset</a> (<a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> *output, <a class="code" href="classMD5.html#3b1c4901139aef256ee49c4ab14d09f9">uint1</a> value, uint4 len){
<a name="l00475"></a>00475
<a name="l00476"></a>00476 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="keywordflow">for</span> (i = 0; i < len; i++)
<a name="l00479"></a>00479 output[i] = value;
<a name="l00480"></a>00480 }
<a name="l00481"></a>00481
<a name="l00482"></a>00482
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="comment">// ROTATE_LEFT rotates x left n bits.</span>
<a name="l00485"></a>00485
<a name="l00486"></a><a class="code" href="classMD5.html#64f84f0aef8679b0c77858e0c59822b9">00486</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMD5.html#64f84f0aef8679b0c77858e0c59822b9">MD5::rotate_left</a> (uint4 x, uint4 n){
<a name="l00487"></a>00487 <span class="keywordflow">return</span> (x << n) | (x >> (32-n)) ;
<a name="l00488"></a>00488 }
<a name="l00489"></a>00489
<a name="l00490"></a>00490
<a name="l00491"></a>00491
<a name="l00492"></a>00492
<a name="l00493"></a>00493 <span class="comment">// F, G, H and I are basic MD5 functions.</span>
<a name="l00494"></a>00494
<a name="l00495"></a><a class="code" href="classMD5.html#2934208483fbd86327076a11ded14971">00495</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMD5.html#2934208483fbd86327076a11ded14971">MD5::F</a> (uint4 x, uint4 y, uint4 z){
<a name="l00496"></a>00496 <span class="keywordflow">return</span> (x & y) | (~x & z);
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498
<a name="l00499"></a><a class="code" href="classMD5.html#9abb73967eb7219c23faf69a4e80eb71">00499</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMD5.html#9abb73967eb7219c23faf69a4e80eb71">MD5::G</a> (uint4 x, uint4 y, uint4 z){
<a name="l00500"></a>00500 <span class="keywordflow">return</span> (x & z) | (y & ~z);
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502
<a name="l00503"></a><a class="code" href="classMD5.html#f0a3d0593a4a4fc964a8d5beb2348bbc">00503</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMD5.html#f0a3d0593a4a4fc964a8d5beb2348bbc">MD5::H</a> (uint4 x, uint4 y, uint4 z){
<a name="l00504"></a>00504 <span class="keywordflow">return</span> x ^ y ^ z;
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506
<a name="l00507"></a><a class="code" href="classMD5.html#b363834e0160109ba1c7aaf53409e7c1">00507</a> <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="classMD5.html#b363834e0160109ba1c7aaf53409e7c1">MD5::I</a> (uint4 x, uint4 y, uint4 z){
<a name="l00508"></a>00508 <span class="keywordflow">return</span> y ^ (x | ~z);
<a name="l00509"></a>00509 }
<a name="l00510"></a>00510
<a name="l00511"></a>00511
<a name="l00512"></a>00512
<a name="l00513"></a>00513 <span class="comment">// FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.</span>
<a name="l00514"></a>00514 <span class="comment">// Rotation is separate from addition to prevent recomputation.</span>
<a name="l00515"></a>00515
<a name="l00516"></a>00516
<a name="l00517"></a><a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">00517</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#31479b157441ace2dbc2ae0edd0d2e38">MD5::FF</a>(uint4& a, uint4 <a class="code" href="jpegInternal_8h.html#f320905358fa78701e4cc60b6135601f">b</a>, uint4 c, uint4 d, uint4 x,
<a name="l00518"></a>00518 uint4 s, uint4 ac){
<a name="l00519"></a>00519 a += <a class="code" href="classMD5.html#2934208483fbd86327076a11ded14971">F</a>(b, c, d) + x + ac;
<a name="l00520"></a>00520 a = <a class="code" href="classMD5.html#64f84f0aef8679b0c77858e0c59822b9">rotate_left</a> (a, s) +b;
<a name="l00521"></a>00521 }
<a name="l00522"></a>00522
<a name="l00523"></a><a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">00523</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#8ebdbe52608e522516d1759a31753212">MD5::GG</a>(uint4& a, uint4 <a class="code" href="jpegInternal_8h.html#f320905358fa78701e4cc60b6135601f">b</a>, uint4 c, uint4 d, uint4 x,
<a name="l00524"></a>00524 uint4 s, uint4 ac){
<a name="l00525"></a>00525 a += <a class="code" href="classMD5.html#9abb73967eb7219c23faf69a4e80eb71">G</a>(b, c, d) + x + ac;
<a name="l00526"></a>00526 a = <a class="code" href="classMD5.html#64f84f0aef8679b0c77858e0c59822b9">rotate_left</a> (a, s) +b;
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528
<a name="l00529"></a><a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">00529</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#aad039caf0b33abf1bf3f3589166543c">MD5::HH</a>(uint4& a, uint4 <a class="code" href="jpegInternal_8h.html#f320905358fa78701e4cc60b6135601f">b</a>, uint4 c, uint4 d, uint4 x,
<a name="l00530"></a>00530 uint4 s, uint4 ac){
<a name="l00531"></a>00531 a += <a class="code" href="classMD5.html#f0a3d0593a4a4fc964a8d5beb2348bbc">H</a>(b, c, d) + x + ac;
<a name="l00532"></a>00532 a = <a class="code" href="classMD5.html#64f84f0aef8679b0c77858e0c59822b9">rotate_left</a> (a, s) +b;
<a name="l00533"></a>00533 }
<a name="l00534"></a>00534
<a name="l00535"></a><a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">00535</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classMD5.html#7af0184654644964ecdb57b1203e5ec7">MD5::II</a>(uint4& a, uint4 <a class="code" href="jpegInternal_8h.html#f320905358fa78701e4cc60b6135601f">b</a>, uint4 c, uint4 d, uint4 x,
<a name="l00536"></a>00536 uint4 s, uint4 ac){
<a name="l00537"></a>00537 a += <a class="code" href="classMD5.html#b363834e0160109ba1c7aaf53409e7c1">I</a>(b, c, d) + x + ac;
<a name="l00538"></a>00538 a = <a class="code" href="classMD5.html#64f84f0aef8679b0c77858e0c59822b9">rotate_left</a> (a, s) +b;
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540 <span class="comment">//--------------------------------------------------</span>
<a name="l00541"></a>00541 <span class="comment">//returns md5 for a given file</span>
<a name="l00542"></a><a class="code" href="md5_8h.html#899b2fb35bd6d33506dde3eb0d87a761">00542</a> QString <a class="code" href="md5_8cpp.html#899b2fb35bd6d33506dde3eb0d87a761">getMD5</a>(std::ifstream& stream)
<a name="l00543"></a>00543 {
<a name="l00544"></a>00544 <a class="code" href="classMD5.html" title="MD5 Support allows checksums to be computed for images, determing if they have changed...">MD5</a> obj( stream );
<a name="l00545"></a>00545 <span class="keywordflow">return</span> obj.<a class="code" href="classMD5.html#700837b0f2e59120805a24044692f5f8">hex_digest</a>();
<a name="l00546"></a>00546 }
<a name="l00547"></a>00547 <span class="comment">//--------------------------------------------------</span>
<a name="l00548"></a>00548 <span class="comment">//compares md5's for two files, returns true if they match</span>
<a name="l00549"></a><a class="code" href="md5_8h.html#9c8a61273cce81d4035bd666ecb4ecc5">00549</a> <span class="keywordtype">bool</span> <a class="code" href="md5_8cpp.html#9c8a61273cce81d4035bd666ecb4ecc5">filesMatch</a>(std::ifstream& stream, QString oldMD5)
<a name="l00550"></a>00550 {
<a name="l00551"></a>00551 <a class="code" href="classMD5.html" title="MD5 Support allows checksums to be computed for images, determing if they have changed...">MD5</a> obj( stream );
<a name="l00552"></a>00552 <span class="keywordflow">return</span> (obj.<a class="code" href="classMD5.html#700837b0f2e59120805a24044692f5f8">hex_digest</a>() == oldMD5);
<a name="l00553"></a>00553 }
<a name="l00554"></a>00554 <span class="comment">//--------------------------------------------------</span>
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Sun Aug 23 02:34:26 2009 for AlbumShaper by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>
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distrib
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Mandriva
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2010.0
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i586
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4f45e7bdfd4a5ff17f5f8eaab90d017f
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