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<a name="l00070"></a>00070 <a name="l00071"></a>00071 <span class="keyword">protected</span>:<a name="l00072"></a><a class="code" href="class_secret_sharing.html#8eca29688fdebc5ef5d9677f3075248a">00072</a> <a class="code" href="class_random_number_generator.html" title="interface for random number generators">RandomNumberGenerator</a> &<a class="code" href="class_secret_sharing.html#8eca29688fdebc5ef5d9677f3075248a">m_rng</a>;<a name="l00073"></a><a class="code" href="class_secret_sharing.html#e1d66bb234b7cbee456d58557b8d9129">00073</a> <a class="code" href="class_raw_i_d_a.html" title="base class for secret sharing and information dispersal">RawIDA</a> <a class="code" href="class_secret_sharing.html#e1d66bb234b7cbee456d58557b8d9129">m_ida</a>;<a name="l00074"></a><a class="code" href="class_secret_sharing.html#f2c48230d5e71fcf78c6ba5f3d34de0a">00074</a> <span class="keywordtype">bool</span> <a class="code" href="class_secret_sharing.html#f2c48230d5e71fcf78c6ba5f3d34de0a">m_pad</a>;<a name="l00075"></a>00075 };<a name="l00076"></a>00076 <span class="comment"></span><a name="l00077"></a>00077 <span class="comment">/// a variant of Shamir's Secret Sharing Algorithm</span><a name="l00078"></a><a class="code" href="class_secret_recovery.html">00078</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_secret_recovery.html" title="a variant of Shamir's Secret Sharing Algorithm">SecretRecovery</a> : <span class="keyword">public</span> <a class="code" href="class_raw_i_d_a.html" title="base class for secret sharing and information dispersal">RawIDA</a><a name="l00079"></a>00079 {<a name="l00080"></a>00080 <span class="keyword">public</span>:<a name="l00081"></a><a class="code" href="class_secret_recovery.html#7dea71685af8e496c18e7e42bb6c649b">00081</a> <a class="code" href="class_secret_recovery.html#7dea71685af8e496c18e7e42bb6c649b">SecretRecovery</a>(<span class="keywordtype">int</span> threshold, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL, <span class="keywordtype">bool</span> removePadding=<span class="keyword">true</span>)<a name="l00082"></a>00082 : <a class="code" href="class_raw_i_d_a.html" title="base class for secret sharing and information dispersal">RawIDA</a>(attachment)<a name="l00083"></a>00083 {IsolatedInitialize(MakeParameters(<span class="stringliteral">"RecoveryThreshold"</span>, threshold)(<span class="stringliteral">"RemovePadding"</span>, removePadding));}<a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters=g_nullNameValuePairs);<a name="l00086"></a>00086 <a name="l00087"></a>00087 <span class="keyword">protected</span>:<a name="l00088"></a>00088 <span class="keywordtype">void</span> FlushOutputQueues();<a name="l00089"></a>00089 <span class="keywordtype">void</span> OutputMessageEnds();<a name="l00090"></a>00090 <a name="l00091"></a><a class="code" href="class_secret_recovery.html#9f329e510c867744d20f82906c490eeb">00091</a> <span class="keywordtype">bool</span> <a class="code" href="class_secret_recovery.html#9f329e510c867744d20f82906c490eeb">m_pad</a>;<a name="l00092"></a>00092 };<a name="l00093"></a>00093 <span class="comment"></span><a name="l00094"></a>00094 <span class="comment">/// a variant of Rabin's Information Dispersal Algorithm</span><a name="l00095"></a><a class="code" href="class_information_dispersal.html">00095</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_information_dispersal.html" title="a variant of Rabin's Information Dispersal Algorithm">InformationDispersal</a> : <span class="keyword">public</span> <a class="code" href="class_custom_flush_propagation.html" title="_">CustomFlushPropagation</a><Filter><a name="l00096"></a>00096 {<a name="l00097"></a>00097 <span class="keyword">public</span>:<a name="l00098"></a><a class="code" href="class_information_dispersal.html#40e812ee9251c018efe7bff39e812efe">00098</a> <a class="code" href="class_information_dispersal.html#40e812ee9251c018efe7bff39e812efe">InformationDispersal</a>(<span class="keywordtype">int</span> threshold, <span class="keywordtype">int</span> nShares, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL, <span class="keywordtype">bool</span> addPadding=<span class="keyword">true</span>)<a name="l00099"></a>00099 : <a class="code" href="class_information_dispersal.html#fd962aac086ce5c3fbf16157d59e4e63">m_ida</a>(new <a class="code" href="class_output_proxy.html">OutputProxy</a>(*this, true))<a name="l00100"></a>00100 {<a name="l00101"></a>00101 <a class="code" href="class_filter.html#93817876b45172108fe0342de6442f75" title="delete the current attachment chain and replace it with newAttachment">Detach</a>(attachment);<a name="l00102"></a>00102 IsolatedInitialize(MakeParameters(<span class="stringliteral">"RecoveryThreshold"</span>, threshold)(<span class="stringliteral">"NumberOfShares"</span>, nShares)(<span class="stringliteral">"AddPadding"</span>, addPadding));<a name="l00103"></a>00103 }<a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters=g_nullNameValuePairs);<a name="l00106"></a>00106 <span class="keywordtype">size_t</span> <a class="code" href="class_information_dispersal.html#0dd51a1bdc83cea84cd72218730f4744" title="input multiple bytes for blocking or non-blocking processing">Put2</a>(<span class="keyword">const</span> byte *begin, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);<a name="l00107"></a><a class="code" href="class_information_dispersal.html#a348e2dd4609c563196f89e1cf2ad35c">00107</a> <span class="keywordtype">bool</span> <a class="code" href="class_information_dispersal.html#a348e2dd4609c563196f89e1cf2ad35c" title="flush buffered input and/or output">Flush</a>(<span class="keywordtype">bool</span> hardFlush, <span class="keywordtype">int</span> propagation=-1, <span class="keywordtype">bool</span> blocking=<span class="keyword">true</span>) {<span class="keywordflow">return</span> <a class="code" href="class_information_dispersal.html#fd962aac086ce5c3fbf16157d59e4e63">m_ida</a>.<a class="code" href="class_unflushable.html#e5070b5e2895ca6cf458ff7ccef9f1e1">Flush</a>(hardFlush, propagation, blocking);}<a name="l00108"></a>00108 <a name="l00109"></a>00109 <span class="keyword">protected</span>:<a name="l00110"></a><a class="code" href="class_information_dispersal.html#fd962aac086ce5c3fbf16157d59e4e63">00110</a> <a class="code" href="class_raw_i_d_a.html" title="base class for secret sharing and information dispersal">RawIDA</a> <a class="code" href="class_information_dispersal.html#fd962aac086ce5c3fbf16157d59e4e63">m_ida</a>;<a name="l00111"></a><a class="code" href="class_information_dispersal.html#fc464de54c9d574c9bff3d674907fd42">00111</a> <span class="keywordtype">bool</span> <a class="code" href="class_information_dispersal.html#fc464de54c9d574c9bff3d674907fd42">m_pad</a>;<a name="l00112"></a><a class="code" href="class_information_dispersal.html#4bd5ab80c6221a3274033470cbc83620">00112</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_information_dispersal.html#4bd5ab80c6221a3274033470cbc83620">m_nextChannel</a>;<a name="l00113"></a>00113 };<a name="l00114"></a>00114 <span class="comment"></span><a name="l00115"></a>00115 <span class="comment">/// a variant of Rabin's Information Dispersal Algorithm</span><a name="l00116"></a><a class="code" href="class_information_recovery.html">00116</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_information_recovery.html" title="a variant of Rabin's Information Dispersal Algorithm">InformationRecovery</a> : <span class="keyword">public</span> <a class="code" href="class_raw_i_d_a.html" title="base class for secret sharing and information dispersal">RawIDA</a><a name="l00117"></a>00117 {<a name="l00118"></a>00118 <span class="keyword">public</span>:<a name="l00119"></a><a class="code" href="class_information_recovery.html#2722185d09cec0d2adbbc2822982281a">00119</a> <a class="code" href="class_information_recovery.html#2722185d09cec0d2adbbc2822982281a">InformationRecovery</a>(<span class="keywordtype">int</span> threshold, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL, <span class="keywordtype">bool</span> removePadding=<span class="keyword">true</span>)<a name="l00120"></a>00120 : <a class="code" href="class_raw_i_d_a.html" title="base class for secret sharing and information dispersal">RawIDA</a>(attachment)<a name="l00121"></a>00121 {IsolatedInitialize(MakeParameters(<span class="stringliteral">"RecoveryThreshold"</span>, threshold)(<span class="stringliteral">"RemovePadding"</span>, removePadding));}<a name="l00122"></a>00122 <a name="l00123"></a>00123 <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters=g_nullNameValuePairs);<a name="l00124"></a>00124 <a name="l00125"></a>00125 <span class="keyword">protected</span>:<a name="l00126"></a>00126 <span class="keywordtype">void</span> FlushOutputQueues();<a name="l00127"></a>00127 <span class="keywordtype">void</span> OutputMessageEnds();<a name="l00128"></a>00128 <a name="l00129"></a><a class="code" href="class_information_recovery.html#8836fa3444af96b7d9a3bc0e45afd4f7">00129</a> <span class="keywordtype">bool</span> <a class="code" href="class_information_recovery.html#8836fa3444af96b7d9a3bc0e45afd4f7">m_pad</a>;<a name="l00130"></a><a class="code" href="class_information_recovery.html#3d12ccc4618e3fa5e0c0412fe2f8f0e1">00130</a> <a class="code" href="class_byte_queue.html" title="Byte Queue.">ByteQueue</a> <a class="code" href="class_information_recovery.html#3d12ccc4618e3fa5e0c0412fe2f8f0e1">m_queue</a>;<a name="l00131"></a>00131 };<a name="l00132"></a>00132 <a name="l00133"></a><a class="code" href="class_padding_remover.html">00133</a> <span class="keyword">class </span><a class="code" href="class_padding_remover.html">PaddingRemover</a> : <span class="keyword">public</span> <a class="code" href="class_unflushable.html" title="_">Unflushable</a><Filter><a name="l00134"></a>00134 {<a name="l00135"></a>00135 <span class="keyword">public</span>:<a name="l00136"></a><a class="code" href="class_padding_remover.html#036514af7dd2076536b166d40dc07045">00136</a> <a class="code" href="class_padding_remover.html#036514af7dd2076536b166d40dc07045">PaddingRemover</a>(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL)<a name="l00137"></a>00137 : m_possiblePadding(false) {<a class="code" href="class_filter.html#93817876b45172108fe0342de6442f75" title="delete the current attachment chain and replace it with newAttachment">Detach</a>(attachment);}<a name="l00138"></a>00138 <a name="l00139"></a><a class="code" href="class_padding_remover.html#069c4ebead6f2ed5393628b039b1688f">00139</a> <span class="keywordtype">void</span> <a class="code" href="class_padding_remover.html#069c4ebead6f2ed5393628b039b1688f">IsolatedInitialize</a>(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters) {m_possiblePadding = <span class="keyword">false</span>;}<a name="l00140"></a>00140 <span class="keywordtype">size_t</span> <a class="code" href="class_padding_remover.html#ae803b9a474a16cc10ae3ab66630b299" title="input multiple bytes for blocking or non-blocking processing">Put2</a>(<span class="keyword">const</span> byte *begin, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);<a name="l00141"></a>00141 <a name="l00142"></a>00142 <span class="comment">// GetPossiblePadding() == false at the end of a message indicates incorrect padding</span><a name="l00143"></a><a class="code" href="class_padding_remover.html#97895ba0905fa850056e3d2e2a4f6369">00143</a> <span class="keywordtype">bool</span> <a class="code" href="class_padding_remover.html#97895ba0905fa850056e3d2e2a4f6369">GetPossiblePadding</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_possiblePadding;}<a name="l00144"></a>00144 <a name="l00145"></a>00145 <span class="keyword">private</span>:<a name="l00146"></a>00146 <span class="keywordtype">bool</span> m_possiblePadding;<a name="l00147"></a>00147 lword m_zeroCount;<a name="l00148"></a>00148 };<a name="l00149"></a>00149 <a name="l00150"></a>00150 NAMESPACE_END<a name="l00151"></a>00151 <a name="l00152"></a>00152 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:21 2007 for Crypto++ by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address></body></html>⌨️ 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