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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++: pssr.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>pssr.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_PSSR_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_PSSR_H</span><a name="l00003"></a>00003 <span class="preprocessor"></span><a name="l00004"></a>00004 <span class="preprocessor">#include "<a class="code" href="pubkey_8h.html" title="This file contains helper classes/functions for implementing public key algorithms...">pubkey.h</a>"</span><a name="l00005"></a>00005 <span class="preprocessor">#include "<a class="code" href="emsa2_8h.html" title="This file contains various padding schemes for public key algorithms.">emsa2.h</a>"</span><a name="l00006"></a>00006 <a name="l00007"></a>00007 <span class="preprocessor">#ifdef CRYPTOPP_IS_DLL</span><a name="l00008"></a>00008 <span class="preprocessor"></span><span class="preprocessor">#include "sha.h"</span><a name="l00009"></a>00009 <span class="preprocessor">#endif</span><a name="l00010"></a>00010 <span class="preprocessor"></span><a name="l00011"></a>00011 NAMESPACE_BEGIN(CryptoPP)<a name="l00012"></a>00012 <a name="l00013"></a><a class="code" href="class_p_s_s_r___m_e_m___base.html">00013</a> class CRYPTOPP_DLL <a class="code" href="class_p_s_s_r___m_e_m___base.html">PSSR_MEM_Base</a> : public <a class="code" href="class_p_k___recoverable_signature_message_encoding_method.html">PK_RecoverableSignatureMessageEncodingMethod</a><a name="l00014"></a>00014 {<a name="l00015"></a>00015 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> AllowRecovery() <span class="keyword">const</span> =0;<a name="l00016"></a>00016 <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> SaltLen(<span class="keywordtype">size_t</span> hashLen) <span class="keyword">const</span> =0;<a name="l00017"></a>00017 <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> MinPadLen(<span class="keywordtype">size_t</span> hashLen) <span class="keyword">const</span> =0;<a name="l00018"></a>00018 <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="class_mask_generating_function.html" title="_">MaskGeneratingFunction</a> & GetMGF() <span class="keyword">const</span> =0;<a name="l00019"></a>00019 <a name="l00020"></a>00020 <span class="keyword">public</span>:<a name="l00021"></a>00021 <span class="keywordtype">size_t</span> MinRepresentativeBitLength(<span class="keywordtype">size_t</span> hashIdentifierLength, <span class="keywordtype">size_t</span> digestLength) <span class="keyword">const</span>;<a name="l00022"></a>00022 <span class="keywordtype">size_t</span> MaxRecoverableLength(<span class="keywordtype">size_t</span> representativeBitLength, <span class="keywordtype">size_t</span> hashIdentifierLength, <span class="keywordtype">size_t</span> digestLength) <span class="keyword">const</span>;<a name="l00023"></a>00023 <span class="keywordtype">bool</span> IsProbabilistic() <span class="keyword">const</span>;<a name="l00024"></a>00024 <span class="keywordtype">bool</span> AllowNonrecoverablePart() <span class="keyword">const</span>;<a name="l00025"></a>00025 <span class="keywordtype">bool</span> RecoverablePartFirst() <span class="keyword">const</span>;<a name="l00026"></a>00026 <span class="keywordtype">void</span> ComputeMessageRepresentative(<a class="code" href="class_random_number_generator.html" title="interface for random number generators">RandomNumberGenerator</a> &rng, <a name="l00027"></a>00027 <span class="keyword">const</span> byte *recoverableMessage, <span class="keywordtype">size_t</span> recoverableMessageLength,<a name="l00028"></a>00028 <a class="code" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> &hash, <a class="code" href="pubkey_8h.html#ef874ed3f2d212ac4629255c8ef86dd0">HashIdentifier</a> hashIdentifier, <span class="keywordtype">bool</span> messageEmpty,<a name="l00029"></a>00029 byte *representative, <span class="keywordtype">size_t</span> representativeBitLength) <span class="keyword">const</span>;<a name="l00030"></a>00030 <a class="code" href="struct_decoding_result.html" title="used to return decoding results">DecodingResult</a> RecoverMessageFromRepresentative(<a name="l00031"></a>00031 <a class="code" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> &hash, <a class="code" href="pubkey_8h.html#ef874ed3f2d212ac4629255c8ef86dd0">HashIdentifier</a> hashIdentifier, <span class="keywordtype">bool</span> messageEmpty,<a name="l00032"></a>00032 byte *representative, <span class="keywordtype">size_t</span> representativeBitLength,<a name="l00033"></a>00033 byte *recoverableMessage) <span class="keyword">const</span>;<a name="l00034"></a>00034 };<a name="l00035"></a>00035 <a name="l00036"></a>00036 <span class="keyword">template</span> <<span class="keywordtype">bool</span> USE_HASH_ID> <span class="keyword">class </span>PSSR_MEM_BaseWithHashId;<a name="l00037"></a><a class="code" href="class_p_s_s_r___m_e_m___base_with_hash_id_3_01true_01_4.html">00037</a> <span class="keyword">template</span><> <span class="keyword">class </span>PSSR_MEM_BaseWithHashId<true> : <span class="keyword">public</span> <a class="code" href="class_e_m_s_a2_hash_id_lookup.html">EMSA2HashIdLookup</a><PSSR_MEM_Base> {};<a name="l00038"></a><a class="code" href="class_p_s_s_r___m_e_m___base_with_hash_id_3_01false_01_4.html">00038</a> <span class="keyword">template</span><> <span class="keyword">class </span>PSSR_MEM_BaseWithHashId<false> : <span class="keyword">public</span> <a class="code" href="class_p_s_s_r___m_e_m___base.html">PSSR_MEM_Base</a> {};<a name="l00039"></a>00039 <a name="l00040"></a>00040 <span class="keyword">template</span> <<span class="keywordtype">bool</span> ALLOW_RECOVERY, <span class="keyword">class </span>MGF=<a class="code" href="class_p1363___m_g_f1.html" title="_">P1363_MGF1</a>, <span class="keywordtype">int</span> SALT_LEN=-1, <span class="keywordtype">int</span> MIN_PAD_LEN=0, <span class="keywordtype">bool</span> USE_HASH_ID=<span class="keyword">false</span>><a name="l00041"></a><a class="code" href="class_p_s_s_r___m_e_m.html">00041</a> <span class="keyword">class </span><a class="code" href="class_p_s_s_r___m_e_m.html">PSSR_MEM</a> : <span class="keyword">public</span> PSSR_MEM_BaseWithHashId<USE_HASH_ID><a name="l00042"></a>00042 {<a name="l00043"></a>00043 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> AllowRecovery()<span class="keyword"> const </span>{<span class="keywordflow">return</span> ALLOW_RECOVERY;}<a name="l00044"></a>00044 <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> SaltLen(<span class="keywordtype">size_t</span> hashLen)<span class="keyword"> const </span>{<span class="keywordflow">return</span> SALT_LEN < 0 ? hashLen : SALT_LEN;}<a name="l00045"></a>00045 <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> MinPadLen(<span class="keywordtype">size_t</span> hashLen)<span class="keyword"> const </span>{<span class="keywordflow">return</span> MIN_PAD_LEN < 0 ? hashLen : MIN_PAD_LEN;}<a name="l00046"></a>00046 <span class="keyword">virtual</span> <span class="keyword">const</span> <a class="code" href="class_mask_generating_function.html" title="_">MaskGeneratingFunction</a> & GetMGF()<span class="keyword"> const </span>{<span class="keyword">static</span> MGF mgf; <span class="keywordflow">return</span> mgf;}<a name="l00047"></a>00047 <a name="l00048"></a>00048 <span class="keyword">public</span>:<a name="l00049"></a><a class="code" href="class_p_s_s_r___m_e_m.html#b97e899086d1f556718b2ce6dc72f265">00049</a> <span class="keyword">static</span> std::string CRYPTOPP_API <a class="code" href="class_p_s_s_r___m_e_m.html#b97e899086d1f556718b2ce6dc72f265">StaticAlgorithmName</a>() {<span class="keywordflow">return</span> std::string(ALLOW_RECOVERY ? <span class="stringliteral">"PSSR-"</span> : <span class="stringliteral">"PSS-"</span>) + MGF::StaticAlgorithmName();}<a name="l00050"></a>00050 };<a name="l00051"></a>00051 <span class="comment"></span><a name="l00052"></a>00052 <span class="comment">//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSSR-MGF1">PSSR-MGF1</a></span><a name="l00053"></a><a class="code" href="struct_p_s_s_r.html">00053</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_p_s_s_r.html" title="PSSR-MGF1">PSSR</a> : <span class="keyword">public</span> <a class="code" href="struct_signature_standard.html" title="Base class for public key signature standard classes. These classes are used to select...">SignatureStandard</a><a name="l00054"></a>00054 {<a name="l00055"></a><a class="code" href="struct_p_s_s_r.html#ca8ac72d7e47e36c779a847fa5f813d3">00055</a> <span class="keyword">typedef</span> <a class="code" href="class_p_s_s_r___m_e_m.html">PSSR_MEM<true></a> <a class="code" href="class_p_s_s_r___m_e_m.html">SignatureMessageEncodingMethod</a>;<a name="l00056"></a>00056 };<a name="l00057"></a>00057 <span class="comment"></span><a name="l00058"></a>00058 <span class="comment">//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PSS-MGF1">PSS-MGF1</a></span><a name="l00059"></a><a class="code" href="struct_p_s_s.html">00059</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_p_s_s.html" title="PSS-MGF1">PSS</a> : <span class="keyword">public</span> <a class="code" href="struct_signature_standard.html" title="Base class for public key signature standard classes. These classes are used to select...">SignatureStandard</a><a name="l00060"></a>00060 {<a name="l00061"></a><a class="code" href="struct_p_s_s.html#d8a949ccb1a4cfe12b14dafc0ad66a75">00061</a> <span class="keyword">typedef</span> <a class="code" href="class_p_s_s_r___m_e_m.html">PSSR_MEM<false></a> <a class="code" href="class_p_s_s_r___m_e_m.html">SignatureMessageEncodingMethod</a>;<a name="l00062"></a>00062 };<a name="l00063"></a>00063 <a name="l00064"></a>00064 NAMESPACE_END<a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:23 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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