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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++: safer.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>safer.h</h1><a href="safer_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_SAFER_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_SAFER_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 "seckey.h"</span><a name="l00008"></a>00008 <span class="preprocessor">#include "secblock.h"</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 NAMESPACE_BEGIN(CryptoPP)<a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="comment">/// base class, do not use directly</span><a name="l00013"></a><a class="code" href="class_s_a_f_e_r.html">00013</a> <span class="comment"></span>class <a class="code" href="class_s_a_f_e_r.html" title="base class, do not use directly">SAFER</a><a name="l00014"></a>00014 {<a name="l00015"></a>00015 <span class="keyword">public</span>:<a name="l00016"></a><a class="code" href="class_s_a_f_e_r_1_1_base.html">00016</a> <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Base : <span class="keyword">public</span> <a class="code" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">BlockCipher</a><a name="l00017"></a>00017 {<a name="l00018"></a>00018 <span class="keyword">public</span>:<a name="l00019"></a><a class="code" href="class_s_a_f_e_r_1_1_base.html#0d00d16d1a495ffe932e3ba7cbee2c31">00019</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GetAlignment()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 1;}<a name="l00020"></a>00020 <span class="keywordtype">void</span> UncheckedSetKey(<span class="keyword">const</span> byte *userkey, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &params);<a name="l00021"></a>00021 <a name="l00022"></a>00022 <span class="keyword">protected</span>:<a name="l00023"></a>00023 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> Strengthened() <span class="keyword">const</span> =0;<a name="l00024"></a>00024 <a name="l00025"></a><a class="code" href="class_s_a_f_e_r_1_1_base.html#7a0b1cf722b42cbadc175cf6ff93366d">00025</a> <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> keySchedule;<a name="l00026"></a><a class="code" href="class_s_a_f_e_r_1_1_base.html#fc85e8b4c25fa113bfd17e030b376b33">00026</a> <span class="keyword">static</span> <span class="keyword">const</span> byte exp_tab[256];<a name="l00027"></a><a class="code" href="class_s_a_f_e_r_1_1_base.html#4d810b8ff6a4970e23aa5fc1d7bc932b">00027</a> <span class="keyword">static</span> <span class="keyword">const</span> byte log_tab[256];<a name="l00028"></a>00028 };<a name="l00029"></a>00029 <a name="l00030"></a><a class="code" href="class_s_a_f_e_r_1_1_enc.html">00030</a> <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Enc : <span class="keyword">public</span> Base<a name="l00031"></a>00031 {<a name="l00032"></a>00032 <span class="keyword">public</span>:<a name="l00033"></a>00033 <span class="keywordtype">void</span> <a class="code" href="class_block_transformation.html#1904cf145e4c5c650dd7aff32f54e153" title="encrypt or decrypt inBlock, xor with xorBlock, and write to outBlock">ProcessAndXorBlock</a>(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock) <span class="keyword">const</span>;<a name="l00034"></a>00034 };<a name="l00035"></a>00035 <a name="l00036"></a><a class="code" href="class_s_a_f_e_r_1_1_dec.html">00036</a> <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Dec : <span class="keyword">public</span> Base<a name="l00037"></a>00037 {<a name="l00038"></a>00038 <span class="keyword">public</span>:<a name="l00039"></a>00039 <span class="keywordtype">void</span> <a class="code" href="class_block_transformation.html#1904cf145e4c5c650dd7aff32f54e153" title="encrypt or decrypt inBlock, xor with xorBlock, and write to outBlock">ProcessAndXorBlock</a>(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock) <span class="keyword">const</span>;<a name="l00040"></a>00040 };<a name="l00041"></a>00041 };<a name="l00042"></a>00042 <a name="l00043"></a>00043 <span class="keyword">template</span> <<span class="keyword">class</span> BASE, <span class="keyword">class</span> INFO, <span class="keywordtype">bool</span> STR><a name="l00044"></a><a class="code" href="class_s_a_f_e_r___impl.html">00044</a> <span class="keyword">class </span>CRYPTOPP_NO_VTABLE SAFER_Impl : <span class="keyword">public</span> <a class="code" href="class_block_cipher_impl.html">BlockCipherImpl</a><INFO, BASE><a name="l00045"></a>00045 {<a name="l00046"></a>00046 <span class="keyword">protected</span>:<a name="l00047"></a><a class="code" href="class_s_a_f_e_r___impl.html#5a7003049453966212b8499bab3ba7cd">00047</a> <span class="keywordtype">bool</span> Strengthened()<span class="keyword"> const </span>{<span class="keywordflow">return</span> STR;}<a name="l00048"></a>00048 };<a name="l00049"></a>00049 <span class="comment"></span><a name="l00050"></a>00050 <span class="comment">//! _</span><a name="l00051"></a><a class="code" href="struct_s_a_f_e_r___k___info.html">00051</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_s_a_f_e_r___k___info.html" title="_">SAFER_K_Info</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><8>, <span class="keyword">public</span> <a class="code" href="class_variable_key_length.html" title="support query of variable key length, template parameters are default, min, max,...">VariableKeyLength</a><16, 8, 16, 8>, <span class="keyword">public</span> <a class="code" href="class_variable_rounds.html" title="to be inherited by ciphers with variable number of rounds">VariableRounds</a><10, 1, 13><a name="l00052"></a>00052 {<a name="l00053"></a><a class="code" href="struct_s_a_f_e_r___k___info.html#d0e675e73ae8e8904c4cedc0c42c2f79">00053</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="struct_s_a_f_e_r___k___info.html#d0e675e73ae8e8904c4cedc0c42c2f79">StaticAlgorithmName</a>() {<span class="keywordflow">return</span> <span class="stringliteral">"SAFER-K"</span>;}<a name="l00054"></a>00054 };<a name="l00055"></a>00055 <span class="comment"></span><a name="l00056"></a>00056 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#SAFER-K">SAFER-K</a></span><a name="l00057"></a><a class="code" href="class_s_a_f_e_r___k.html">00057</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_s_a_f_e_r___k.html" title="SAFER-K">SAFER_K</a> : <span class="keyword">public</span> <a class="code" href="struct_s_a_f_e_r___k___info.html" title="_">SAFER_K_Info</a>, <span class="keyword">public</span> <a class="code" href="class_s_a_f_e_r.html" title="base class, do not use directly">SAFER</a>, <span class="keyword">public</span> <a class="code" href="struct_block_cipher_documentation.html" title="These objects usually should not be used directly. See CipherModeDocumentation instead...">BlockCipherDocumentation</a><a name="l00058"></a>00058 {<a name="l00059"></a>00059 <span class="keyword">public</span>:<a name="l00060"></a><a class="code" href="class_s_a_f_e_r___k.html#8be783e2fa1690f37ed228b3b136fb79">00060</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, SAFER_Impl<Enc, SAFER_K_Info, false></a> > <a class="code" href="class_block_cipher_final.html" title="_">Encryption</a>;<a name="l00061"></a><a class="code" href="class_s_a_f_e_r___k.html#f141d193777b4ea16eb84746f42d1cbb">00061</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, SAFER_Impl<Dec, SAFER_K_Info, false></a> > <a class="code" href="class_block_cipher_final.html" title="_">Decryption</a>;<a name="l00062"></a>00062 };<a name="l00063"></a>00063 <span class="comment"></span><a name="l00064"></a>00064 <span class="comment">//! _</span><a name="l00065"></a><a class="code" href="struct_s_a_f_e_r___s_k___info.html">00065</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_s_a_f_e_r___s_k___info.html" title="_">SAFER_SK_Info</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html" title="to be inherited by block ciphers with fixed block size">FixedBlockSize</a><8>, <span class="keyword">public</span> <a class="code" href="class_variable_key_length.html" title="support query of variable key length, template parameters are default, min, max,...">VariableKeyLength</a><16, 8, 16, 8>, <span class="keyword">public</span> <a class="code" href="class_variable_rounds.html" title="to be inherited by ciphers with variable number of rounds">VariableRounds</a><10, 1, 13><a name="l00066"></a>00066 {<a name="l00067"></a><a class="code" href="struct_s_a_f_e_r___s_k___info.html#112124b54ef7f3782da3a0803468009d">00067</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="struct_s_a_f_e_r___s_k___info.html#112124b54ef7f3782da3a0803468009d">StaticAlgorithmName</a>() {<span class="keywordflow">return</span> <span class="stringliteral">"SAFER-SK"</span>;}<a name="l00068"></a>00068 };<a name="l00069"></a>00069 <span class="comment"></span><a name="l00070"></a>00070 <span class="comment">/// <a href="http://www.weidai.com/scan-mirror/cs.html#SAFER-SK">SAFER-SK</a></span><a name="l00071"></a><a class="code" href="class_s_a_f_e_r___s_k.html">00071</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_s_a_f_e_r___s_k.html" title="SAFER-SK">SAFER_SK</a> : <span class="keyword">public</span> <a class="code" href="struct_s_a_f_e_r___s_k___info.html" title="_">SAFER_SK_Info</a>, <span class="keyword">public</span> <a class="code" href="class_s_a_f_e_r.html" title="base class, do not use directly">SAFER</a>, <span class="keyword">public</span> <a class="code" href="struct_block_cipher_documentation.html" title="These objects usually should not be used directly. See CipherModeDocumentation instead...">BlockCipherDocumentation</a><a name="l00072"></a>00072 {<a name="l00073"></a>00073 <span class="keyword">public</span>:<a name="l00074"></a><a class="code" href="class_s_a_f_e_r___s_k.html#a9d0cd529b19ba54c2eeb14ebe89849b">00074</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<ENCRYPTION, SAFER_Impl<Enc, SAFER_SK_Info, true></a> > <a class="code" href="class_block_cipher_final.html" title="_">Encryption</a>;<a name="l00075"></a><a class="code" href="class_s_a_f_e_r___s_k.html#37b670c15d0a20b265b5d4140999390f">00075</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal<DECRYPTION, SAFER_Impl<Dec, SAFER_SK_Info, true></a> > <a class="code" href="class_block_cipher_final.html" title="_">Decryption</a>;<a name="l00076"></a>00076 };<a name="l00077"></a>00077 <a name="l00078"></a><a class="code" href="safer_8h.html#c3c6fe05600077d83eb8c45c6d6dfece">00078</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_K::Encryption</a> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_K_Encryption</a>;<a name="l00079"></a><a class="code" href="safer_8h.html#8ad8fe83c97fddae4c4cfbb89099dd4e">00079</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_K::Decryption</a> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_K_Decryption</a>;<a name="l00080"></a>00080 <a name="l00081"></a><a class="code" href="safer_8h.html#05a4324381e757bb2560482d59634eca">00081</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_SK::Encryption</a> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_SK_Encryption</a>;<a name="l00082"></a><a class="code" href="safer_8h.html#6f8f177d2afb1886f96721c81314fd3f">00082</a> <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_SK::Decryption</a> <a class="code" href="class_block_cipher_final.html" title="_">SAFER_SK_Decryption</a>;<a name="l00083"></a>00083 <a name="l00084"></a>00084 NAMESPACE_END<a name="l00085"></a>00085 <a name="l00086"></a>00086 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:24 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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