test_8cpp-source.html

Crypto++是一个非常强大的密码学库,主要是功能全

00286                 <span class="keywordflow">case</span> <span class="charliteral">'u'</span>:
00287                         GunzipFile(argv[2], argv[3]);
00288                         <span class="keywordflow">return</span> 0;
00289                 <span class="keywordflow">case</span> <span class="charliteral">'f'</span>:
00290                         <span class="keywordflow">if</span> (command == <span class="stringliteral">"fips"</span>)
00291                                 FIPS140_SampleApplication();
00292                         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command == <span class="stringliteral">"fips-rand"</span>)
00293                                 FIPS140_GenerateRandomFiles();
00294                         <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command == <span class="stringliteral">"ft"</span>)
00295                                 ForwardTcpPort(argv[2], argv[3], argv[4]);
00296                         <span class="keywordflow">return</span> 0;
00297                 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>:
00298                         <span class="keywordflow">if</span> (command == <span class="stringliteral">"hmac"</span>)
00299                         {
00300                                 HmacFile(argv[2], argv[3]);
00301                                 <span class="keywordflow">return</span> 0;
00302                         }
00303                         <span class="comment">// fall through</span>
00304                 <span class="keywordflow">default</span>:
00305                         <a class="code" href="class_file_source.html">FileSource</a> usage(<span class="stringliteral">"usage.dat"</span>, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(cout));
00306                         <span class="keywordflow">return</span> 1;
00307                 }
00308         }
00309         <span class="keywordflow">catch</span>(CryptoPP::Exception &amp;e)
00310         {
00311                 cout &lt;&lt; <span class="stringliteral">"\nCryptoPP::Exception caught: "</span> &lt;&lt; e.what() &lt;&lt; endl;
00312                 <span class="keywordflow">return</span> -1;
00313         }
00314         <span class="keywordflow">catch</span>(std::exception &amp;e)
00315         {
00316                 cout &lt;&lt; <span class="stringliteral">"\nstd::exception caught: "</span> &lt;&lt; e.what() &lt;&lt; endl;
00317                 <span class="keywordflow">return</span> -2;
00318         }
00319 }
00320 
00321 <span class="keywordtype">void</span> FIPS140_GenerateRandomFiles()
00322 {
00323 <span class="preprocessor">#ifdef OS_RNG_AVAILABLE</span>
00324 <span class="preprocessor"></span>        <a class="code" href="class_auto_seeded_x917_r_n_g.html">AutoSeededX917RNG&lt;DES_EDE3&gt;</a> rng;
00325         <a class="code" href="class_random_number_store.html">RandomNumberStore</a> store(rng, ULONG_MAX);
00326 
00327         <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i&lt;100000; i++)
00328                 store.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_10">TransferTo</a>(<a class="code" href="class_file_sink.html">FileSink</a>((IntToString(i) + <span class="stringliteral">".rnd"</span>).c_str()).Ref(), 20000);
00329 <span class="preprocessor">#else</span>
00330 <span class="preprocessor"></span>        cout &lt;&lt; <span class="stringliteral">"OS provided RNG not available.\n"</span>;
00331         exit(-1);
00332 <span class="preprocessor">#endif</span>
00333 <span class="preprocessor"></span>}
00334 
00335 <a class="code" href="class_random_pool.html">RandomPool</a> &amp; GlobalRNG()
00336 {
00337         <span class="keyword">static</span> <a class="code" href="class_random_pool.html">RandomPool</a> randomPool;
00338         <span class="keywordflow">return</span> randomPool;
00339 }
00340 
00341 <span class="keywordtype">void</span> GenerateRSAKey(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> keyLength, <span class="keyword">const</span> <span class="keywordtype">char</span> *privFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *pubFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *seed)
00342 {
00343         <a class="code" href="class_random_pool.html">RandomPool</a> randPool;
00344         randPool.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_0">Put</a>((byte *)seed, strlen(seed));
00345 
00346         <a class="code" href="struct_r_s_a_e_s.html">RSAES_OAEP_SHA_Decryptor</a> priv(randPool, keyLength);
00347         <a class="code" href="class_hex_encoder.html">HexEncoder</a> privFile(<span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(privFilename));
00348         priv.DEREncode(privFile);
00349         privFile.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_7">MessageEnd</a>();
00350 
00351         <a class="code" href="struct_r_s_a_e_s.html">RSAES_OAEP_SHA_Encryptor</a> pub(priv);
00352         <a class="code" href="class_hex_encoder.html">HexEncoder</a> pubFile(<span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(pubFilename));
00353         pub.DEREncode(pubFile);
00354         pubFile.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_7">MessageEnd</a>();
00355 }
00356 
00357 string RSAEncryptString(<span class="keyword">const</span> <span class="keywordtype">char</span> *pubFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *seed, <span class="keyword">const</span> <span class="keywordtype">char</span> *message)
00358 {
00359         <a class="code" href="class_file_source.html">FileSource</a> pubFile(pubFilename, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hex_decoder.html">HexDecoder</a>);
00360         <a class="code" href="struct_r_s_a_e_s.html">RSAES_OAEP_SHA_Encryptor</a> pub(pubFile);
00361 
00362         <a class="code" href="class_random_pool.html">RandomPool</a> randPool;
00363         randPool.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_0">Put</a>((byte *)seed, strlen(seed));
00364 
00365         string result;
00366         <a class="code" href="class_string_source.html">StringSource</a>(message, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_p_k___encryptor_filter.html">PK_EncryptorFilter</a>(randPool, pub, <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>(result))));
00367         <span class="keywordflow">return</span> result;
00368 }
00369 
00370 string RSADecryptString(<span class="keyword">const</span> <span class="keywordtype">char</span> *privFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *ciphertext)
00371 {
00372         <a class="code" href="class_file_source.html">FileSource</a> privFile(privFilename, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hex_decoder.html">HexDecoder</a>);
00373         <a class="code" href="struct_r_s_a_e_s.html">RSAES_OAEP_SHA_Decryptor</a> priv(privFile);
00374 
00375         string result;
00376         <a class="code" href="class_string_source.html">StringSource</a>(ciphertext, <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_p_k___decryptor_filter.html">PK_DecryptorFilter</a>(priv, <span class="keyword">new</span> <a class="code" href="class_string_sink_template.html">StringSink</a>(result))));
00377         <span class="keywordflow">return</span> result;
00378 }
00379 
00380 <span class="keywordtype">void</span> RSASignFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *privFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *messageFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *signatureFilename)
00381 {
00382         <a class="code" href="class_file_source.html">FileSource</a> privFile(privFilename, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hex_decoder.html">HexDecoder</a>);
00383         <a class="code" href="struct_r_s_a_s_s_a.html">RSASSA_PKCS1v15_SHA_Signer</a> priv(privFile);
00384         <span class="comment">// RSASSA_PKCS1v15_SHA_Signer ignores the rng. Use a real RNG for other signature schemes!</span>
00385         <a class="code" href="class_file_source.html">FileSource</a> f(messageFilename, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_signer_filter.html">SignerFilter</a>(NullRNG(), priv, <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>(signatureFilename))));
00386 }
00387 
00388 <span class="keywordtype">bool</span> RSAVerifyFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *pubFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *messageFilename, <span class="keyword">const</span> <span class="keywordtype">char</span> *signatureFilename)
00389 {
00390         <a class="code" href="class_file_source.html">FileSource</a> pubFile(pubFilename, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hex_decoder.html">HexDecoder</a>);
00391         <a class="code" href="struct_r_s_a_s_s_a.html">RSASSA_PKCS1v15_SHA_Verifier</a> pub(pubFile);
00392 
00393         <a class="code" href="class_file_source.html">FileSource</a> signatureFile(signatureFilename, <span class="keyword">true</span>, <span class="keyword">new</span> <a class="code" href="class_hex_decoder.html">HexDecoder</a>);
00394         <span class="keywordflow">if</span> (signatureFile.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_0">MaxRetrievable</a>() != pub.SignatureLength())
00395                 <span class="keywordflow">return</span> <span class="keyword">false</span>;
00396         <a class="code" href="class_sec_block.html">SecByteBlock</a> signature(pub.SignatureLength());
00397         signatureFile.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_2">Get</a>(signature, signature.<a class="code" href="class_sec_block.html#_sec_block_with_hinta13">size</a>());
00398 
00399         <a class="code" href="class_signature_verification_filter.html">VerifierFilter</a> *verifierFilter = <span class="keyword">new</span> <a class="code" href="class_signature_verification_filter.html">VerifierFilter</a>(pub);
00400         verifierFilter-&gt;<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz1_0">Put</a>(signature, pub.SignatureLength());
00401         <a class="code" href="class_file_source.html">FileSource</a> f(messageFilename, <span class="keyword">true</span>, verifierFilter);
00402 
00403         <span class="keywordflow">return</span> verifierFilter-&gt;<a class="code" href="class_signature_verification_filter.html#_signature_verification_filtera1">GetLastResult</a>();
00404 }
00405 
00406 <span class="keywordtype">void</span> DigestFile(<span class="keyword">const</span> <span class="keywordtype">char</span> *filename)
00407 {
00408         <a class="code" href="class_m_d5.html">MD5</a> md5;
00409         <a class="code" href="class_s_h_a.html">SHA</a> sha;
00410         <a class="code" href="class_r_i_p_e_m_d160.html">RIPEMD160</a> ripemd;
00411         <a class="code" href="class_s_h_a256.html">SHA256</a> sha256;
00412         <a class="code" href="class_hash_filter.html">HashFilter</a> md5Filter(md5), shaFilter(sha), ripemdFilter(ripemd), sha256Filter(sha256);
00413 
00414         auto_ptr&lt;ChannelSwitch&gt; channelSwitch(<span class="keyword">new</span> <a class="code" href="class_channel_switch.html">ChannelSwitch</a>);
00415         channelSwitch-&gt;AddDefaultRoute(md5Filter);
00416         channelSwitch-&gt;AddDefaultRoute(shaFilter);
00417         channelSwitch-&gt;AddDefaultRoute(ripemdFilter);
00418         channelSwitch-&gt;AddDefaultRoute(sha256Filter);
00419         <a class="code" href="class_file_source.html">FileSource</a>(filename, <span class="keyword">true</span>, channelSwitch.release());
00420 
00421         <a class="code" href="class_hex_encoder.html">HexEncoder</a> encoder(<span class="keyword">new</span> <a class="code" href="class_file_sink.html">FileSink</a>(cout), <span class="keyword">false</span>);
00422         cout &lt;&lt; <span class="stringliteral">"\nMD5: "</span>;
00423         md5Filter.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_10">TransferTo</a>(encoder);
00424         cout &lt;&lt; <span class="stringliteral">"\nSHA-1: "</span>;
00425         shaFilter.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_10">TransferTo</a>(encoder);
00426         cout &lt;&lt; <span class="stringliteral">"\nRIPEMD-160: "</span>;
00427         ripemdFilter.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_10">TransferTo</a>(encoder);
00428         cout &lt;&lt; <span class="stringliteral">"\nSHA-256: "</span>;
00429         sha256Filter.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_10">TransferTo</a>(encoder);
00430 }
00431