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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++: oaep.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>oaep.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_OAEP_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_OAEP_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 "sha.h"</span><a name="l00006"></a>00006 <a name="l00007"></a>00007 NAMESPACE_BEGIN(CryptoPP)<a name="l00008"></a>00008 <a name="l00009"></a>00009 <span class="comment">//! _</span><a name="l00010"></a><a class="code" href="class_o_a_e_p___base.html">00010</a> <span class="comment"></span>class CRYPTOPP_DLL <a class="code" href="class_o_a_e_p___base.html" title="_">OAEP_Base</a> : public <a class="code" href="class_p_k___encryption_message_encoding_method.html" title="message encoding method for public key encryption">PK_EncryptionMessageEncodingMethod</a><a name="l00011"></a>00011 {<a name="l00012"></a>00012 <span class="keyword">public</span>:<a name="l00013"></a><a class="code" href="class_o_a_e_p___base.html#40d817ec29920de0f0aa0f65209ec49a">00013</a> <span class="keywordtype">bool</span> ParameterSupported(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)<span class="keyword"> const </span>{<span class="keywordflow">return</span> strcmp(name, <a class="code" href="namespace_name.html#bfc2af8f8cc15abc866b9a48478c763f" title="ConstByteArrayParameter.">Name::EncodingParameters</a>()) == 0;}<a name="l00014"></a>00014 <span class="keywordtype">size_t</span> MaxUnpaddedLength(<span class="keywordtype">size_t</span> paddedLength) <span class="keyword">const</span>;<a name="l00015"></a>00015 <span class="keywordtype">void</span> Pad(<a class="code" href="class_random_number_generator.html" title="interface for random number generators">RandomNumberGenerator</a> &rng, <span class="keyword">const</span> byte *raw, <span class="keywordtype">size_t</span> inputLength, byte *padded, <span class="keywordtype">size_t</span> paddedLength, <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) <span class="keyword">const</span>;<a name="l00016"></a>00016 <a class="code" href="struct_decoding_result.html" title="used to return decoding results">DecodingResult</a> Unpad(<span class="keyword">const</span> byte *padded, <span class="keywordtype">size_t</span> paddedLength, byte *raw, <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) <span class="keyword">const</span>;<a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="keyword">protected</span>:<a name="l00019"></a>00019 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> DigestSize() <span class="keyword">const</span> =0;<a name="l00020"></a>00020 <span class="keyword">virtual</span> <a class="code" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> * NewHash() <span class="keyword">const</span> =0;<a name="l00021"></a>00021 <span class="keyword">virtual</span> <a class="code" href="class_mask_generating_function.html" title="_">MaskGeneratingFunction</a> * NewMGF() <span class="keyword">const</span> =0;<a name="l00022"></a>00022 };<a name="l00023"></a>00023 <span class="comment"></span><a name="l00024"></a>00024 <span class="comment">//! <a href="http://www.weidai.com/scan-mirror/ca.html#cem_OAEP-MGF1">EME-OAEP</a>, for use with classes derived from TF_ES</span><a name="l00025"></a>00025 <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> H, <span class="keyword">class</span> MGF=P1363_MGF1><a name="l00026"></a><a class="code" href="class_o_a_e_p.html">00026</a> <span class="keyword">class </span><a class="code" href="class_o_a_e_p.html" title="EME-OAEP, for use with classes derived from TF_ES">OAEP</a> : <span class="keyword">public</span> <a class="code" href="class_o_a_e_p___base.html" title="_">OAEP_Base</a>, <span class="keyword">public</span> <a class="code" href="struct_encryption_standard.html" title="Base class for public key encryption standard classes. These classes are used to...">EncryptionStandard</a><a name="l00027"></a>00027 {<a name="l00028"></a>00028 <span class="keyword">public</span>:<a name="l00029"></a><a class="code" href="class_o_a_e_p.html#9251c56685e893b12c2e65ca69481b09">00029</a> <span class="keyword">static</span> std::string CRYPTOPP_API <a class="code" href="class_o_a_e_p.html#9251c56685e893b12c2e65ca69481b09">StaticAlgorithmName</a>() {<span class="keywordflow">return</span> std::string(<span class="stringliteral">"OAEP-"</span>) + MGF::StaticAlgorithmName() + <span class="stringliteral">"("</span> + H::StaticAlgorithmName() + <span class="stringliteral">")"</span>;}<a name="l00030"></a><a class="code" href="class_o_a_e_p.html#0211b33ec3adddcc0279ad85ccd1906c">00030</a> <span class="keyword">typedef</span> <a class="code" href="class_o_a_e_p.html" title="EME-OAEP, for use with classes derived from TF_ES">OAEP<H, MGF></a> <a class="code" href="class_o_a_e_p.html" title="EME-OAEP, for use with classes derived from TF_ES">EncryptionMessageEncodingMethod</a>;<a name="l00031"></a>00031 <a name="l00032"></a>00032 <span class="keyword">protected</span>:<a name="l00033"></a><a class="code" href="class_o_a_e_p.html#bafbdfc215ba9eb5c08ec2c1b4b66ecb">00033</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_o_a_e_p.html#bafbdfc215ba9eb5c08ec2c1b4b66ecb">DigestSize</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> H::DIGESTSIZE;}<a name="l00034"></a><a class="code" href="class_o_a_e_p.html#06963c3965a85b6d352ba2166c30d658">00034</a> <a class="code" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> * <a class="code" href="class_o_a_e_p.html#06963c3965a85b6d352ba2166c30d658">NewHash</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">new</span> H;}<a name="l00035"></a><a class="code" href="class_o_a_e_p.html#86c0e160ea19a201d32579520f2b62af">00035</a> <a class="code" href="class_mask_generating_function.html" title="_">MaskGeneratingFunction</a> * <a class="code" href="class_o_a_e_p.html#86c0e160ea19a201d32579520f2b62af">NewMGF</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">new</span> MGF;}<a name="l00036"></a>00036 };<a name="l00037"></a>00037 <a name="l00038"></a>00038 CRYPTOPP_DLL_TEMPLATE_CLASS <a class="code" href="class_o_a_e_p.html" title="EME-OAEP, for use with classes derived from TF_ES">OAEP<SHA></a>;<a name="l00039"></a>00039 <a name="l00040"></a>00040 NAMESPACE_END<a name="l00041"></a>00041 <a name="l00042"></a>00042 <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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