📄 blumshub_8h-source.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Crypto++: blumshub.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.2 --><div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Compound List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Compound Members</a> | <a class="qindex" href="globals.html">File Members</a></div><h1>blumshub.h</h1><div class="fragment"><pre>00001 <span class="preprocessor">#ifndef CRYPTOPP_BLUMSHUB_H</span>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_BLUMSHUB_H</span>00003 <span class="preprocessor"></span>00004 <span class="preprocessor">#include "modarith.h"</span>00005 00006 NAMESPACE_BEGIN(CryptoPP)00007 00008 <span class="keyword">class </span>BlumGoldwasserPublicKey;00009 <span class="keyword">class </span>BlumGoldwasserPrivateKey;00010 <span class="comment"></span>00011 <span class="comment">//! BlumBlumShub without factorization of the modulus</span><a name="l00012"></a><a class="code" href="class_public_blum_blum_shub.html">00012</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_public_blum_blum_shub.html">PublicBlumBlumShub</a> : <span class="keyword">public</span> <a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a>,00013 <span class="keyword">public</span> <a class="code" href="class_stream_transformation.html">StreamTransformation</a>00014 {00015 <span class="keyword">public</span>:00016 <a class="code" href="class_public_blum_blum_shub.html">PublicBlumBlumShub</a>(<span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &n, <span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &seed);00017 00018 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba1">GenerateBit</a>();00019 byte <a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba2">GenerateByte</a>();00020 <a name="l00021"></a><a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba3">00021</a> <span class="keywordtype">void</span> <a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba3">ProcessData</a>(byte *outString, <span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)00022 {00023 <span class="keywordflow">while</span> (length--)00024 *outString++ = *inString ^ <a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba2">GenerateByte</a>();00025 }00026 <a name="l00027"></a><a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba4">00027</a> <span class="keywordtype">bool</span> <a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba4">IsSelfInverting</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">true</span>;}<a name="l00028"></a><a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba5">00028</a> <span class="keywordtype">bool</span> <a class="code" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba5">IsForwardTransformation</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">true</span>;}00029 00030 <span class="keyword">protected</span>:00031 <span class="keyword">const</span> <a class="code" href="class_modular_arithmetic.html">ModularArithmetic</a> modn;00032 <span class="keyword">const</span> <span class="keywordtype">int</span> maxBits;00033 <a class="code" href="class_integer.html">Integer</a> current;00034 <span class="keywordtype">int</span> bitsLeft;00035 00036 <span class="keyword">friend</span> <span class="keyword">class </span>BlumGoldwasserPublicKey;00037 <span class="keyword">friend</span> <span class="keyword">class </span>BlumGoldwasserPrivateKey;00038 };00039 <span class="comment"></span>00040 <span class="comment">//! BlumBlumShub with factorization of the modulus</span><a name="l00041"></a><a class="code" href="class_blum_blum_shub.html">00041</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_blum_blum_shub.html">BlumBlumShub</a> : <span class="keyword">public</span> <a class="code" href="class_public_blum_blum_shub.html">PublicBlumBlumShub</a>00042 {00043 <span class="keyword">public</span>:00044 <span class="comment">// Make sure p and q are both primes congruent to 3 mod 4 and at least 512 bits long,</span>00045 <span class="comment">// seed is the secret key and should be about as big as p*q</span>00046 <a class="code" href="class_blum_blum_shub.html">BlumBlumShub</a>(<span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &p, <span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &q, <span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> &seed);00047 <a name="l00048"></a><a class="code" href="class_blum_blum_shub.html#_blum_blum_shuba1">00048</a> <span class="keywordtype">bool</span> <a class="code" href="class_blum_blum_shub.html#_blum_blum_shuba1">IsRandomAccess</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">true</span>;}00049 <span class="keywordtype">void</span> <a class="code" href="class_blum_blum_shub.html#_blum_blum_shuba2">Seek</a>(dword index);00050 00051 <span class="keyword">protected</span>:00052 <span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> p, q;00053 <span class="keyword">const</span> <a class="code" href="class_integer.html">Integer</a> x0;00054 };00055 00056 NAMESPACE_END00057 00058 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Jul 8 23:34:09 2003 for Crypto++ by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.2 </small></address></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -