validat1_8cpp-source.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<a name="l00214"></a>00214         <span class="keywordflow">if</span> (<span class="keyword">sizeof</span>(word) == 2*<span class="keyword">sizeof</span>(hword)
<a name="l00215"></a>00215 #ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE
<a name="l00216"></a>00216                 &amp;&amp; <span class="keyword">sizeof</span>(dword) == 2*<span class="keyword">sizeof</span>(word)
<a name="l00217"></a>00217 #endif
<a name="l00218"></a>00218                 )
<a name="l00219"></a>00219                 cout &lt;&lt; <span class="stringliteral">"passed:  "</span>;
<a name="l00220"></a>00220         <span class="keywordflow">else</span>
<a name="l00221"></a>00221         {
<a name="l00222"></a>00222                 cout &lt;&lt; <span class="stringliteral">"FAILED:  "</span>;
<a name="l00223"></a>00223                 pass = <span class="keyword">false</span>;
<a name="l00224"></a>00224         }
<a name="l00225"></a>00225         cout &lt;&lt; <span class="stringliteral">"sizeof(hword) == "</span> &lt;&lt; <span class="keyword">sizeof</span>(hword) &lt;&lt; <span class="stringliteral">", sizeof(word) == "</span> &lt;&lt; <span class="keyword">sizeof</span>(word);
<a name="l00226"></a>00226 <span class="preprocessor">#ifdef CRYPTOPP_NATIVE_DWORD_AVAILABLE</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span>        cout &lt;&lt; <span class="stringliteral">", sizeof(dword) == "</span> &lt;&lt; <span class="keyword">sizeof</span>(dword);
<a name="l00228"></a>00228 <span class="preprocessor">#endif</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span>        cout &lt;&lt; endl;
<a name="l00230"></a>00230 
<a name="l00231"></a>00231         <span class="keywordtype">bool</span> hasMMX = HasMMX();
<a name="l00232"></a>00232         <span class="keywordtype">bool</span> hasSSE2 = HasSSE2();
<a name="l00233"></a>00233         <span class="keywordtype">bool</span> hasSSSE3 = HasSSSE3();
<a name="l00234"></a>00234         <span class="keywordtype">bool</span> isP4 = IsP4();
<a name="l00235"></a>00235         <span class="keywordtype">int</span> cacheLineSize = GetCacheLineSize();
<a name="l00236"></a>00236 
<a name="l00237"></a>00237         <span class="keywordflow">if</span> ((isP4 &amp;&amp; (!hasMMX || !hasSSE2)) || (hasSSE2 &amp;&amp; !hasMMX) || (cacheLineSize &lt; 16 || cacheLineSize &gt; 256 || !IsPowerOf2(cacheLineSize)))
<a name="l00238"></a>00238         {
<a name="l00239"></a>00239                 cout &lt;&lt; <span class="stringliteral">"FAILED:  "</span>;
<a name="l00240"></a>00240                 pass = <span class="keyword">false</span>;
<a name="l00241"></a>00241         }
<a name="l00242"></a>00242         <span class="keywordflow">else</span>
<a name="l00243"></a>00243                 cout &lt;&lt; <span class="stringliteral">"passed:  "</span>;
<a name="l00244"></a>00244 
<a name="l00245"></a>00245         cout &lt;&lt; <span class="stringliteral">"hasMMX == "</span> &lt;&lt; hasMMX &lt;&lt; <span class="stringliteral">", hasSSE2 == "</span> &lt;&lt; hasSSE2 &lt;&lt; <span class="stringliteral">", hasSSSE3 == "</span> &lt;&lt; hasSSSE3 &lt;&lt; <span class="stringliteral">", isP4 == "</span> &lt;&lt; isP4 &lt;&lt; <span class="stringliteral">", cacheLineSize == "</span> &lt;&lt; cacheLineSize;
<a name="l00246"></a>00246 
<a name="l00247"></a>00247         <span class="keywordflow">if</span> (!pass)
<a name="l00248"></a>00248         {
<a name="l00249"></a>00249                 cout &lt;&lt; <span class="stringliteral">"Some critical setting in config.h is in error.  Please fix it and recompile."</span> &lt;&lt; endl;
<a name="l00250"></a>00250                 abort();
<a name="l00251"></a>00251         }
<a name="l00252"></a>00252         <span class="keywordflow">return</span> pass;
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 
<a name="l00255"></a>00255 <span class="keywordtype">bool</span> TestOS_RNG()
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257         <span class="keywordtype">bool</span> pass = <span class="keyword">true</span>;
<a name="l00258"></a>00258 
<a name="l00259"></a>00259         <a class="code" href="classmember__ptr.html">member_ptr&lt;RandomNumberGenerator&gt;</a> rng;
<a name="l00260"></a>00260 <span class="preprocessor">#ifdef BLOCKING_RNG_AVAILABLE</span>
<a name="l00261"></a>00261 <span class="preprocessor"></span>        <span class="keywordflow">try</span> {rng.<a class="code" href="classmember__ptr.html#0191c833924d93e9093b07bab31010fe">reset</a>(<span class="keyword">new</span> <a class="code" href="class_blocking_rng.html" title="encapsulate /dev/random, or /dev/srandom on OpenBSD">BlockingRng</a>);}
<a name="l00262"></a>00262         <span class="keywordflow">catch</span> (<a class="code" href="class_o_s___r_n_g___err.html" title="Exception class for Operating-System Random Number Generator.">OS_RNG_Err</a> &amp;) {}
<a name="l00263"></a>00263 <span class="preprocessor">#endif</span>
<a name="l00264"></a>00264 <span class="preprocessor"></span>
<a name="l00265"></a>00265         <span class="keywordflow">if</span> (rng.<a class="code" href="classmember__ptr.html#2d10dec2a51691b589d56b71ec78e59a">get</a>())
<a name="l00266"></a>00266         {
<a name="l00267"></a>00267                 cout &lt;&lt; <span class="stringliteral">"\nTesting operating system provided blocking random number generator...\n\n"</span>;
<a name="l00268"></a>00268 
<a name="l00269"></a>00269                 <a class="code" href="class_array_sink.html" title="Copy input to a memory buffer.">ArraySink</a> *sink;
<a name="l00270"></a>00270                 <a class="code" href="class_random_number_source.html" title="RNG-based implementation of Source interface.">RandomNumberSource</a> test(*rng, UINT_MAX, <span class="keyword">false</span>, <span class="keyword">new</span> <a class="code" href="class_deflator.html" title="DEFLATE (RFC 1951) compressor.">Deflator</a>(sink=<span class="keyword">new</span> <a class="code" href="class_array_sink.html" title="Copy input to a memory buffer.">ArraySink</a>(NULL,0)));
<a name="l00271"></a>00271                 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> total=0, length=0;
<a name="l00272"></a>00272                 time_t t = time(NULL), t1 = 0;
<a name="l00273"></a>00273 
<a name="l00274"></a>00274                 <span class="comment">// check that it doesn't take too long to generate a reasonable amount of randomness</span>
<a name="l00275"></a>00275                 <span class="keywordflow">while</span> (total &lt; 16 &amp;&amp; (t1 &lt; 10 || total*8 &gt; (<span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>)t1))
<a name="l00276"></a>00276                 {
<a name="l00277"></a>00277                         test.Pump(1);
<a name="l00278"></a>00278                         total += 1;
<a name="l00279"></a>00279                         t1 = time(NULL) - t;
<a name="l00280"></a>00280                 }
<a name="l00281"></a>00281 
<a name="l00282"></a>00282                 <span class="keywordflow">if</span> (total &lt; 16)
<a name="l00283"></a>00283                 {
<a name="l00284"></a>00284                         cout &lt;&lt; <span class="stringliteral">"FAILED:"</span>;
<a name="l00285"></a>00285                         pass = <span class="keyword">false</span>;
<a name="l00286"></a>00286                 }
<a name="l00287"></a>00287                 <span class="keywordflow">else</span>
<a name="l00288"></a>00288                         cout &lt;&lt; <span class="stringliteral">"passed:"</span>;
<a name="l00289"></a>00289                 cout &lt;&lt; <span class="stringliteral">"  it took "</span> &lt;&lt; long(t1) &lt;&lt; <span class="stringliteral">" seconds to generate "</span> &lt;&lt; total &lt;&lt; <span class="stringliteral">" bytes"</span> &lt;&lt; endl;
<a name="l00290"></a>00290 
<a name="l00291"></a>00291 <span class="preprocessor">#if 0   // disable this part. it's causing an unpredictable pause during the validation testing</span>
<a name="l00292"></a>00292 <span class="preprocessor"></span>                <span class="keywordflow">if</span> (t1 &lt; 2)
<a name="l00293"></a>00293                 {
<a name="l00294"></a>00294                         <span class="comment">// that was fast, are we really blocking?</span>
<a name="l00295"></a>00295                         <span class="comment">// first exhaust the extropy reserve</span>
<a name="l00296"></a>00296                         t = time(NULL);
<a name="l00297"></a>00297                         <span class="keywordflow">while</span> (time(NULL) - t &lt; 2)
<a name="l00298"></a>00298                         {
<a name="l00299"></a>00299                                 test.Pump(1);
<a name="l00300"></a>00300                                 total += 1;
<a name="l00301"></a>00301                         }
<a name="l00302"></a>00302 
<a name="l00303"></a>00303                         <span class="comment">// if it generates too many bytes in a certain amount of time,</span>
<a name="l00304"></a>00304                         <span class="comment">// something's probably wrong</span>
<a name="l00305"></a>00305                         t = time(NULL);
<a name="l00306"></a>00306                         <span class="keywordflow">while</span> (time(NULL) - t &lt; 2)
<a name="l00307"></a>00307                         {
<a name="l00308"></a>00308                                 test.Pump(1);
<a name="l00309"></a>00309                                 total += 1;
<a name="l00310"></a>00310                                 length += 1;
<a name="l00311"></a>00311                         }
<a name="l00312"></a>00312                         <span class="keywordflow">if</span> (length &gt; 1024)
<a name="l00313"></a>00313                         {
<a name="l00314"></a>00314                                 cout &lt;&lt; <span class="stringliteral">"FAILED:"</span>;
<a name="l00315"></a>00315                                 pass = <span class="keyword">false</span>;
<a name="l00316"></a>00316                         }
<a name="l00317"></a>00317                         <span class="keywordflow">else</span>
<a name="l00318"></a>00318                                 cout &lt;&lt; <span class="stringliteral">"passed:"</span>;
<a name="l00319"></a>00319                         cout &lt;&lt; <span class="stringliteral">"  it generated "</span> &lt;&lt; length &lt;&lt; <span class="stringliteral">" bytes in "</span> &lt;&lt; long(time(NULL) - t) &lt;&lt; <span class="stringliteral">" seconds"</span> &lt;&lt; endl;
<a name="l00320"></a>00320                 }
<a name="l00321"></a>00321 <span class="preprocessor">#endif</span>
<a name="l00322"></a>00322 <span class="preprocessor"></span>
<a name="l00323"></a>00323                 test.AttachedTransformation()-&gt;MessageEnd();
<a name="l00324"></a>00324 
<a name="l00325"></a>00325                 <span class="keywordflow">if</span> (sink-&gt;<a class="code" href="class_array_sink.html#36374569bfaf3711c3a7a306a46ea6d9">TotalPutLength</a>() &lt; total)
<a name="l00326"></a>00326                 {
<a name="l00327"></a>00327                         cout &lt;&lt; <span class="stringliteral">"FAILED:"</span>;
<a name="l00328"></a>00328                         pass = <span class="keyword">false</span>;
<a name="l00329"></a>00329                 }
<a name="l00330"></a>00330                 <span class="keywordflow">else</span>