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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++: dsa.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>dsa.h</h1><a href="dsa_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_DSA_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_DSA_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 "<a class="code" href="gfpcrypt_8h.html" title="Implementation of schemes based on DL over GF(p).">gfpcrypt.h</a>"</span><a name="l00008"></a>00008 <a name="l00009"></a>00009 NAMESPACE_BEGIN(CryptoPP)<a name="l00010"></a>00010 <a name="l00011"></a>00011 <span class="comment">/*! The DSA signature format used by Crypto++ is as defined by IEEE P1363.</span><a name="l00012"></a>00012 <span class="comment"> Java uses the DER format, and OpenPGP uses the OpenPGP format. */</span><a name="l00013"></a><a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94">00013</a> enum <a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94">DSASignatureFormat</a> {<a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94c021b0f700ffc5a1a60fbe1b3306b58a">DSA_P1363</a>, <a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94ca50e4543c82e6ae2f04358592c569d7">DSA_DER</a>, <a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94b6a0ff8c8d8721382dbb821397609b18">DSA_OPENPGP</a>};<span class="comment"></span><a name="l00014"></a>00014 <span class="comment">/** This function converts between these formats, and returns length of signature in the target format.</span><a name="l00015"></a>00015 <span class="comment"> If toFormat == DSA_P1363, bufferSize must equal publicKey.SignatureLength() */</span><a name="l00016"></a>00016 <span class="keywordtype">size_t</span> DSAConvertSignatureFormat(byte *buffer, <span class="keywordtype">size_t</span> bufferSize, <a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94">DSASignatureFormat</a> toFormat, <a name="l00017"></a>00017 <span class="keyword">const</span> byte *signature, <span class="keywordtype">size_t</span> signatureLen, <a class="code" href="dsa_8h.html#a37ccfd70d4cc99ec03ebb6f9075fc94">DSASignatureFormat</a> fromFormat);<a name="l00018"></a>00018 <a name="l00019"></a>00019 <span class="preprocessor">#ifdef CRYPTOPP_MAINTAIN_BACKWARDS_COMPATIBILITY</span><a name="l00020"></a>00020 <span class="preprocessor"></span><a name="l00021"></a>00021 <span class="keyword">typedef</span> <a class="code" href="class_p_k___final_template.html" title="A template implementing constructors for public key algorithm classes.">DSA::Signer</a> DSAPrivateKey;<a name="l00022"></a>00022 <span class="keyword">typedef</span> <a class="code" href="class_p_k___final_template.html" title="A template implementing constructors for public key algorithm classes.">DSA::Verifier</a> DSAPublicKey;<a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="keyword">const</span> <span class="keywordtype">int</span> MIN_DSA_PRIME_LENGTH = <a class="code" href="struct_d_s_a.html#116b2ce7571a9763a4c59db13df29ac4413962145fccf747bdea3bac1ae4c5f4">DSA::MIN_PRIME_LENGTH</a>;<a name="l00025"></a>00025 <span class="keyword">const</span> <span class="keywordtype">int</span> MAX_DSA_PRIME_LENGTH = <a class="code" href="struct_d_s_a.html#116b2ce7571a9763a4c59db13df29ac4ca432ae49e56b3a9e1bd1c807918a947">DSA::MAX_PRIME_LENGTH</a>;<a name="l00026"></a>00026 <span class="keyword">const</span> <span class="keywordtype">int</span> DSA_PRIME_LENGTH_MULTIPLE = <a class="code" href="struct_d_s_a.html#116b2ce7571a9763a4c59db13df29ac4bc6f89b1820fc7d4b9dcfcfcc9f6cee1">DSA::PRIME_LENGTH_MULTIPLE</a>;<a name="l00027"></a>00027 <a name="l00028"></a>00028 <span class="keyword">inline</span> <span class="keywordtype">bool</span> GenerateDSAPrimes(<span class="keyword">const</span> byte *seed, <span class="keywordtype">size_t</span> seedLength, <span class="keywordtype">int</span> &counter, <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> &p, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> primeLength, <a class="code" href="class_integer.html" title="multiple precision integer and basic arithmetics">Integer</a> &q)<a name="l00029"></a>00029 {<span class="keywordflow">return</span> <a class="code" href="struct_d_s_a.html#48eab0da4234a2d20f3ef7250fbad5f5" title="Generate DSA primes according to NIST standard.">DSA::GeneratePrimes</a>(seed, seedLength, counter, p, primeLength, q);}<a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="preprocessor">#endif</span><a name="l00032"></a>00032 <span class="preprocessor"></span><a name="l00033"></a>00033 NAMESPACE_END<a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:20 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>⌨️ 快捷键说明
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