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Crypto++是一个非常强大的密码学库,主要是功能全

00114 
00115         word32 m_flags;
00116         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_nObjects, m_nCurrentObject, m_level;
00117         std::vector&lt;unsigned int&gt; m_positions;
00118         <a class="code" href="class_byte_queue.html">ByteQueue</a> m_queue;
00119         <span class="keyword">enum</span> State {IDENTIFIER, LENGTH, BODY, TAIL, ALL_DONE} m_state;
00120         byte m_id;
00121         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_lengthRemaining;
00122 };
00123 <span class="comment"></span>
00124 <span class="comment">//! BER General Decoder</span>
<a name="l00125"></a><a class="code" href="class_b_e_r_general_decoder.html">00125</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL BERGeneralDecoder : <span class="keyword">public</span> <a class="code" href="class_store.html">Store</a>
00126 {
00127 <span class="keyword">public</span>:
00128         <span class="keyword">explicit</span> BERGeneralDecoder(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;inQueue, byte asnTag);
00129         <span class="keyword">explicit</span> BERGeneralDecoder(BERGeneralDecoder &amp;inQueue, byte asnTag);
00130         ~BERGeneralDecoder();
00131 
00132         <span class="keywordtype">bool</span> IsDefiniteLength()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_definiteLength;}
00133         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> RemainingLength()<span class="keyword"> const </span>{assert(m_definiteLength); <span class="keywordflow">return</span> m_length;}
00134         <span class="keywordtype">bool</span> EndReached() <span class="keyword">const</span>;
00135         byte PeekByte() <span class="keyword">const</span>;
00136         <span class="keywordtype">void</span> CheckByte(byte b);
00137 
00138         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_buffered_transformation.html#_storez11_0">TransferTo2</a>(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;target, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> &amp;transferBytes, <span class="keyword">const</span> std::string &amp;channel=NULL_CHANNEL, <span class="keywordtype">bool</span> blocking=<span class="keyword">true</span>);
00139         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> CopyRangeTo2(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;target, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> &amp;begin, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> end=ULONG_MAX, <span class="keyword">const</span> std::string &amp;channel=NULL_CHANNEL, <span class="keywordtype">bool</span> blocking=<span class="keyword">true</span>) <span class="keyword">const</span>;
00140 
00141         <span class="comment">// call this to denote end of sequence</span>
00142         <span class="keywordtype">void</span> MessageEnd();
00143 
00144 <span class="keyword">protected</span>:
00145         <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;m_inQueue;
00146         <span class="keywordtype">bool</span> m_finished, m_definiteLength;
00147         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_length;
00148 
00149 <span class="keyword">private</span>:
00150         <span class="keywordtype">void</span> StoreInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &amp;parameters) {assert(<span class="keyword">false</span>);}
00151         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ReduceLength(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> delta);
00152 };
00153 <span class="comment"></span>
00154 <span class="comment">//! DER General Encoder</span>
<a name="l00155"></a><a class="code" href="class_d_e_r_general_encoder.html">00155</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL DERGeneralEncoder : <span class="keyword">public</span> <a class="code" href="class_byte_queue.html">ByteQueue</a>
00156 {
00157 <span class="keyword">public</span>:
00158         <span class="keyword">explicit</span> DERGeneralEncoder(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;outQueue, byte asnTag = SEQUENCE | CONSTRUCTED);
00159         <span class="keyword">explicit</span> DERGeneralEncoder(DERGeneralEncoder &amp;outQueue, byte asnTag = SEQUENCE | CONSTRUCTED);
00160         ~DERGeneralEncoder();
00161 
00162         <span class="comment">// call this to denote end of sequence</span>
00163         <span class="keywordtype">void</span> MessageEnd();
00164 
00165 <span class="keyword">private</span>:
00166         <a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;m_outQueue;
00167         <span class="keywordtype">bool</span> m_finished;
00168 
00169         byte m_asnTag;
00170 };
00171 <span class="comment"></span>
00172 <span class="comment">//! BER Sequence Decoder</span>
<a name="l00173"></a><a class="code" href="class_b_e_r_sequence_decoder.html">00173</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL BERSequenceDecoder : <span class="keyword">public</span> BERGeneralDecoder
00174 {
00175 <span class="keyword">public</span>:
00176         <span class="keyword">explicit</span> BERSequenceDecoder(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;inQueue, byte asnTag = SEQUENCE | CONSTRUCTED)
00177                 : BERGeneralDecoder(inQueue, asnTag) {}
00178         <span class="keyword">explicit</span> BERSequenceDecoder(BERSequenceDecoder &amp;inQueue, byte asnTag = SEQUENCE | CONSTRUCTED)
00179                 : BERGeneralDecoder(inQueue, asnTag) {}
00180 };
00181 <span class="comment"></span>
00182 <span class="comment">//! DER Sequence Encoder</span>
<a name="l00183"></a><a class="code" href="class_d_e_r_sequence_encoder.html">00183</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL DERSequenceEncoder : <span class="keyword">public</span> DERGeneralEncoder
00184 {
00185 <span class="keyword">public</span>:
00186         <span class="keyword">explicit</span> DERSequenceEncoder(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;outQueue, byte asnTag = SEQUENCE | CONSTRUCTED)
00187                 : DERGeneralEncoder(outQueue, asnTag) {}
00188         <span class="keyword">explicit</span> DERSequenceEncoder(DERSequenceEncoder &amp;outQueue, byte asnTag = SEQUENCE | CONSTRUCTED)
00189                 : DERGeneralEncoder(outQueue, asnTag) {}
00190 };
00191 <span class="comment"></span>
00192 <span class="comment">//! BER Set Decoder</span>
<a name="l00193"></a><a class="code" href="class_b_e_r_set_decoder.html">00193</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL BERSetDecoder : <span class="keyword">public</span> BERGeneralDecoder
00194 {
00195 <span class="keyword">public</span>:
00196         <span class="keyword">explicit</span> BERSetDecoder(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;inQueue, byte asnTag = SET | CONSTRUCTED)
00197                 : BERGeneralDecoder(inQueue, asnTag) {}
00198         <span class="keyword">explicit</span> BERSetDecoder(BERSetDecoder &amp;inQueue, byte asnTag = SET | CONSTRUCTED)
00199                 : BERGeneralDecoder(inQueue, asnTag) {}
00200 };
00201 <span class="comment"></span>
00202 <span class="comment">//! DER Set Encoder</span>
<a name="l00203"></a><a class="code" href="class_d_e_r_set_encoder.html">00203</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL DERSetEncoder : <span class="keyword">public</span> DERGeneralEncoder
00204 {
00205 <span class="keyword">public</span>:
00206         <span class="keyword">explicit</span> DERSetEncoder(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;outQueue, byte asnTag = SET | CONSTRUCTED)
00207                 : DERGeneralEncoder(outQueue, asnTag) {}
00208         <span class="keyword">explicit</span> DERSetEncoder(DERSetEncoder &amp;outQueue, byte asnTag = SET | CONSTRUCTED)
00209                 : DERGeneralEncoder(outQueue, asnTag) {}
00210 };
00211 
00212 <span class="keyword">template</span> &lt;<span class="keyword">class</span> T&gt;
00213 <span class="keyword">class </span>ASNOptional : <span class="keyword">public</span> member_ptr&lt;T&gt;
00214 {
00215 <span class="keyword">public</span>:
00216         <span class="keywordtype">void</span> BERDecode(BERSequenceDecoder &amp;seqDecoder, byte tag, byte mask = ~CONSTRUCTED)
00217         {
00218                 byte b;
00219                 <span class="keywordflow">if</span> (seqDecoder.<a class="code" href="class_buffered_transformation.html#_zlib_decompressorz7_4">Peek</a>(b) &amp;&amp; (b &amp; mask) == tag)
00220                         reset(<span class="keyword">new</span> T(seqDecoder));
00221         }
00222         <span class="keywordtype">void</span> DEREncode(<a class="code" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;out)
00223         {
00224                 <span class="keywordflow">if</span> (get() != NULL)
00225                         get()-&gt;DEREncode(out);
00226         }
00227 };
00228 <span class="comment"></span>
00229 <span class="comment">//! .</span>
<a name="l00230"></a><a class="code" href="class_a_s_n1_key.html">00230</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL ASN1Key : <span class="keyword">public</span> <a class="code" href="class_a_s_n1_crypto_material.html">ASN1CryptoMaterial</a>
00231 {
00232 <span class="keyword">public</span>:
00233         <span class="keyword">virtual</span> OID GetAlgorithmID() <span class="keyword">const</span> =0;