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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: luc.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>luc.h</h1><a href="luc_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_LUC_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_LUC_H</span><a name="l00003"></a>00003 <span class="preprocessor"></span><span class="comment"></span><a name="l00004"></a>00004 <span class="comment">/** \file</span><a name="l00005"></a>00005 <span class="comment">*/</span><a name="l00006"></a>00006 <a name="l00007"></a>00007 <span class="preprocessor">#include "pkcspad.h"</span><a name="l00008"></a>00008 <span class="preprocessor">#include "oaep.h"</span><a name="l00009"></a>00009 <span class="preprocessor">#include "<a class="code" href="integer_8h.html">integer.h</a>"</span><a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="dh_8h.html">dh.h</a>"</span><a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="preprocessor">#include <limits.h></span><a name="l00013"></a>00013 <a name="l00014"></a>00014 NAMESPACE_BEGIN(CryptoPP)<a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="comment">//! The LUC function.</span><a name="l00017"></a>00017 <span class="comment"></span><span class="comment">/*! This class is here for historical and pedagogical interest. It has no</span><a name="l00018"></a>00018 <span class="comment"> practical advantages over other trapdoor functions and probably shouldn't</span><a name="l00019"></a>00019 <span class="comment"> be used in production software. The discrete log based LUC schemes</span><a name="l00020"></a>00020 <span class="comment"> defined later in this .h file may be of more practical interest.</span><a name="l00021"></a>00021 <span class="comment">*/</span><a name="l00022"></a><a class="code" href="class_l_u_c_function.html">00022</a> class <a class="code" href="class_l_u_c_function.html" title="The LUC function.">LUCFunction</a> : public <a class="code" href="class_trapdoor_function.html" title="_">TrapdoorFunction</a>, public <a class="code" href="class_public_key.html" title="interface for public keys">PublicKey</a><a name="l00023"></a>00023 {<a name="l00024"></a>00024 <span class="keyword">typedef</span> <a class="code" href="class_l_u_c_function.html" title="The LUC function.">LUCFunction</a> <a class="code" href="class_l_u_c_function.html" title="The LUC function.">ThisClass</a>;<a name="l00025"></a>00025 <a name="l00026"></a>00026 <span class="keyword">public</span>:<a name="l00027"></a><a class="code" href="class_l_u_c_function.html#5d8eb9d2acd130a768326200e3c6ac40">00027</a> <span class="keywordtype">void</span> Initialize(<span class="keyword">const</span> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> &n, <span class="keyword">const</span> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> &e)<a name="l00028"></a>00028 {m_n = n; m_e = e;}<a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="keywordtype">void</span> BERDecode(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> &bt);<a name="l00031"></a>00031 <span class="keywordtype">void</span> DEREncode(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> &bt) <span class="keyword">const</span>;<a name="l00032"></a>00032 <a name="l00033"></a>00033 <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> ApplyFunction(<span class="keyword">const</span> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> &x) <span class="keyword">const</span>;<a name="l00034"></a><a class="code" href="class_l_u_c_function.html#1497f939adba34c6370c8a17f9389f68">00034</a> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> PreimageBound()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_n;}<a name="l00035"></a><a class="code" href="class_l_u_c_function.html#e80bec9ec3f76dbdb248aeef19777ef9">00035</a> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> ImageBound()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_n;}<a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="keywordtype">bool</span> Validate(<a class="code" href="class_random_number_generator.html" title="interface for random number generators">RandomNumberGenerator</a> &rng, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> level) <span class="keyword">const</span>;<a name="l00038"></a>00038 <span class="keywordtype">bool</span> GetVoidValue(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> std::type_info &valueType, <span class="keywordtype">void</span> *pValue) <span class="keyword">const</span>;<a name="l00039"></a>00039 <span class="keywordtype">void</span> AssignFrom(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &source);<a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="comment">// non-derived interface</span><a name="l00042"></a><a class="code" href="class_l_u_c_function.html#efaa2b4edac9236ef2f2fecb0d7801f0">00042</a> <span class="keyword">const</span> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> & GetModulus()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_n;}<a name="l00043"></a><a class="code" href="class_l_u_c_function.html#db5485e2919c45e0e69f1a20066d156f">00043</a> <span class="keyword">const</span> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> & GetPublicExponent()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_e;}<a name="l00044"></a>00044 <a name="l00045"></a><a class="code" href="class_l_u_c_function.html#835af704304ce8f7fca4c522a5493dfd">00045</a> <span class="keywordtype">void</span> SetModulus(<span class="keyword">const</span> <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> &n) {m_n = n;}⌨️ 快捷键说明
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