test_8cpp-source.html

Crypto++是一个非常强大的密码学库,主要是功能全

00432 <span class="keywordtype">void</span> HmacFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *hexKey, <span class="keyword">const</span> <span class="keywordtype">char</span> *file)
00433 {
00434         member_ptr&lt;MessageAuthenticationCode&gt; mac;
00435         std::string decodedKey;
00436         <a class="code" href="class_string_source.html">StringSource</a>(hexKey, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hex_decoder.html">HexDecoder</a>(<span class="keyword">new</span> <a class="code" href="class_string_sink_template.html">StringSink</a>(decodedKey)));
00437         mac.reset(<span class="keyword">new</span> <a class="code" href="class_h_m_a_c.html">HMAC&lt;SHA1&gt;</a>((<span class="keyword">const</span> byte *)decodedKey.data(), decodedKey.size()));
00438         <a class="code" href="class_file_source.html">FileSource</a>(file, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hash_filter.html">HashFilter</a>(*mac, <span class="keyword">new</span> <a class="code" href="class_hex_encoder.html">HexEncoder</a>(<span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(cout))));
00439 }
00440 
00441 string EncryptString(<span class="keyword">const</span> <span class="keywordtype">char</span> *instr, <span class="keyword">const</span> <span class="keywordtype">char</span> *passPhrase)
00442 {
00443         string outstr;
00444 
00445         <a class="code" href="class_default_encryptor_with_m_a_c.html">DefaultEncryptorWithMAC</a> encryptor(passPhrase, <span class="keyword">new</span> <a class="code" href="class_hex_encoder.html">HexEncoder</a>(<span class="keyword">new</span> <a class="code" href="class_string_sink_template.html">StringSink</a>(outstr)));
00446         encryptor.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_0">Put</a>((byte *)instr, strlen(instr));
00447         encryptor.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_7">MessageEnd</a>();
00448 
00449         <span class="keywordflow">return</span> outstr;
00450 }
00451 
00452 string DecryptString(<span class="keyword">const</span> <span class="keywordtype">char</span> *instr, <span class="keyword">const</span> <span class="keywordtype">char</span> *passPhrase)
00453 {
00454         string outstr;
00455 
00456         <a class="code" href="class_hex_decoder.html">HexDecoder</a> decryptor(<span class="keyword">new</span> <a class="code" href="class_default_decryptor_with_m_a_c.html">DefaultDecryptorWithMAC</a>(passPhrase, <span class="keyword">new</span> <a class="code" href="class_string_sink_template.html">StringSink</a>(outstr)));
00457         decryptor.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_0">Put</a>((byte *)instr, strlen(instr));
00458         decryptor.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_7">MessageEnd</a>();
00459 
00460         <span class="keywordflow">return</span> outstr;
00461 }
00462 
00463 <span class="keywordtype">void</span> EncryptFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *in, <span class="keyword">const</span> <span class="keywordtype">char</span> *out, <span class="keyword">const</span> <span class="keywordtype">char</span> *passPhrase)
00464 {
00465         <a class="code" href="class_file_source.html">FileSource</a> f(in, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_default_encryptor_with_m_a_c.html">DefaultEncryptorWithMAC</a>(passPhrase, <span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(out)));
00466 }
00467 
00468 <span class="keywordtype">void</span> DecryptFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *in, <span class="keyword">const</span> <span class="keywordtype">char</span> *out, <span class="keyword">const</span> <span class="keywordtype">char</span> *passPhrase)
00469 {
00470         <a class="code" href="class_file_source.html">FileSource</a> f(in, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_default_decryptor_with_m_a_c.html">DefaultDecryptorWithMAC</a>(passPhrase, <span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(out)));
00471 }
00472 
00473 <span class="keywordtype">void</span> SecretShareFile(<span class="keywordtype">int</span> threshold, <span class="keywordtype">int</span> nShares, <span class="keyword">const</span> <span class="keywordtype">char</span> *filename, <span class="keyword">const</span> <span class="keywordtype">char</span> *seed)
00474 {
00475         assert(nShares&lt;=1000);
00476 
00477         <a class="code" href="class_random_pool.html">RandomPool</a> rng;
00478         rng.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_0">Put</a>((byte *)seed, strlen(seed));
00479 
00480         <a class="code" href="class_channel_switch.html">ChannelSwitch</a> *channelSwitch;
00481         <a class="code" href="class_file_source.html">FileSource</a> source(filename, <span class="keyword">false</span>, <span class="keyword">new</span> <a class="code" href="class_secret_sharing.html">SecretSharing</a>(rng, threshold, nShares, channelSwitch = <span class="keyword">new</span> <a class="code" href="class_channel_switch.html">ChannelSwitch</a>));
00482 
00483         vector_member_ptrs&lt;FileSink&gt; fileSinks(nShares);
00484         string channel;
00485         <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i&lt;nShares; i++)
00486         {
00487                 <span class="keywordtype">char</span> extension[5] = <span class="stringliteral">".000"</span>;
00488                 extension[1]=<span class="charliteral">'0'</span>+byte(i/100);
00489                 extension[2]=<span class="charliteral">'0'</span>+byte((i/10)%10);
00490                 extension[3]=<span class="charliteral">'0'</span>+byte(i%10);
00491                 fileSinks[i].reset(<span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>((string(filename)+extension).c_str()));
00492 
00493                 channel = WordToString&lt;word32&gt;(i);
00494                 fileSinks[i]-&gt;Put((byte *)channel.data(), 4);
00495                 channelSwitch-&gt;<a class="code" href="class_channel_switch.html#_channel_switcha13">AddRoute</a>(channel, *fileSinks[i], BufferedTransformation::NULL_CHANNEL);
00496         }
00497 
00498         source.<a class="code" href="class_source.html#_windows_pipe_sourcea16">PumpAll</a>();
00499 }
00500 
00501 <span class="keywordtype">void</span> SecretRecoverFile(<span class="keywordtype">int</span> threshold, <span class="keyword">const</span> <span class="keywordtype">char</span> *outFilename, <span class="keywordtype">char</span> *<span class="keyword">const</span> *inFilenames)
00502 {
00503         assert(threshold&lt;=1000);
00504 
00505         <a class="code" href="class_secret_recovery.html">SecretRecovery</a> recovery(threshold, <span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(outFilename));
00506 
00507         vector_member_ptrs&lt;FileSource&gt; fileSources(threshold);
00508         <a class="code" href="class_sec_block.html">SecByteBlock</a> channel(4);
00509         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
00510         <span class="keywordflow">for</span> (i=0; i&lt;threshold; i++)
00511         {
00512                 fileSources[i].reset(<span class="keyword">new</span> <a class="code" href="class_file_source.html">FileSource</a>(inFilenames[i], <span class="keyword">false</span>));
00513                 fileSources[i]-&gt;Pump(4);
00514                 fileSources[i]-&gt;Get(channel, 4);
00515                 fileSources[i]-&gt;Attach(<span class="keyword">new</span> <a class="code" href="class_channel_switch.html">ChannelSwitch</a>(recovery, string((<span class="keywordtype">char</span> *)channel.<a class="code" href="class_sec_block.html#_sec_block_with_hinta7">begin</a>(), 4)));
00516         }
00517 
00518         <span class="keywordflow">while</span> (fileSources[0]-&gt;Pump(256))
00519                 <span class="keywordflow">for</span> (i=1; i&lt;threshold; i++)
00520                         fileSources[i]-&gt;Pump(256);
00521 
00522         <span class="keywordflow">for</span> (i=0; i&lt;threshold; i++)
00523                 fileSources[i]-&gt;PumpAll();
00524 }
00525 
00526 <span class="keywordtype">void</span> InformationDisperseFile(<span class="keywordtype">int</span> threshold, <span class="keywordtype">int</span> nShares, <span class="keyword">const</span> <span class="keywordtype">char</span> *filename)
00527 {
00528         assert(nShares&lt;=1000);
00529 
00530         <a class="code" href="class_channel_switch.html">ChannelSwitch</a> *channelSwitch;
00531         <a class="code" href="class_file_source.html">FileSource</a> source(filename, <span class="keyword">false</span>, <span class="keyword">new</span> <a class="code" href="class_information_dispersal.html">InformationDispersal</a>(threshold, nShares, channelSwitch = <span class="keyword">new</span> <a class="code" href="class_channel_switch.html">ChannelSwitch</a>));
00532 
00533         vector_member_ptrs&lt;FileSink&gt; fileSinks(nShares);
00534         string channel;
00535         <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i&lt;nShares; i++)
00536         {
00537                 <span class="keywordtype">char</span> extension[5] = <span class="stringliteral">".000"</span>;
00538                 extension[1]=<span class="charliteral">'0'</span>+byte(i/100);
00539                 extension[2]=<span class="charliteral">'0'</span>+byte((i/10)%10);
00540                 extension[3]=<span class="charliteral">'0'</span>+byte(i%10);
00541                 fileSinks[i].reset(<span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>((string(filename)+extension).c_str()));
00542 
00543                 channel = WordToString&lt;word32&gt;(i);
00544                 fileSinks[i]-&gt;Put((byte *)channel.data(), 4);
00545                 channelSwitch-&gt;<a class="code" href="class_channel_switch.html#_channel_switcha13">AddRoute</a>(channel, *fileSinks[i], BufferedTransformation::NULL_CHANNEL);
00546         }
00547 
00548         source.<a class="code" href="class_source.html#_windows_pipe_sourcea16">PumpAll</a>();
00549 }
00550 
00551 <span class="keywordtype">void</span> InformationRecoverFile(<span class="keywordtype">int</span> threshold, <span class="keyword">const</span> <span class="keywordtype">char</span> *outFilename, <span class="keywordtype">char</span> *<span class="keyword">const</span> *inFilenames)
00552 {
00553         assert(threshold&lt;=1000);
00554 
00555         <a class="code" href="class_information_recovery.html">InformationRecovery</a> recovery(threshold, <span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(outFilename));
00556 
00557         vector_member_ptrs&lt;FileSource&gt; fileSources(threshold);
00558         <a class="code" href="class_sec_block.html">SecByteBlock</a> channel(4);
00559         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;
00560         <span class="keywordflow">for</span> (i=0; i&lt;threshold; i++)
00561         {
00562                 fileSources[i].reset(<span class="keyword">new</span> <a class="code" href="class_file_source.html">FileSource</a>(inFilenames[i], <span class="keyword">false</span>));
00563                 fileSources[i]-&gt;Pump(4);
00564                 fileSources[i]-&gt;Get(channel, 4);
00565                 fileSources[i]-&gt;Attach(<span class="keyword">new</span> <a class="code" href="class_channel_switch.html">ChannelSwitch</a>(recovery, string((<span class="keywordtype">char</span> *)channel.<a class="code" href="class_sec_block.html#_sec_block_with_hinta7">begin</a>(), 4)));
00566         }
00567 
00568         <span class="keywordflow">while</span> (fileSources[0]-&gt;Pump(256))
00569                 <span class="keywordflow">for</span> (i=1; i&lt;threshold; i++)
00570                         fileSources[i]-&gt;Pump(256);
00571 
00572         <span class="keywordflow">for</span> (i=0; i&lt;threshold; i++)
00573                 fileSources[i]-&gt;PumpAll();
00574 }
00575 
00576 <span class="keywordtype">void</span> GzipFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *in, <span class="keyword">const</span> <span class="keywordtype">char</span> *out, <span class="keywordtype">int</span> deflate_level)
00577 {