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cryptopp-doc-5.6.1-0.1.svn479.fc13.i686.rpm

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<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 &quot;seckey.h&quot;</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include &quot;secblock.h&quot;</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 <a class="code" href="class_s_a_f_e_r_1_1_base.html">Base</a> : <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#ab76d562df30b5419ed2025b663b1c974">00019</a>                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_s_a_f_e_r_1_1_base.html#ab76d562df30b5419ed2025b663b1c974" title="returns how inputs and outputs should be aligned for optimal performance">OptimalDataAlignment</a>()<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> &amp;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>00025                 <a class="code" href="class_sec_block.html">SecByteBlock</a> keySchedule;
<a name="l00026"></a>00026                 <span class="keyword">static</span> <span class="keyword">const</span> byte exp_tab[256];
<a name="l00027"></a>00027                 <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 <a class="code" href="class_s_a_f_e_r_1_1_enc.html">Enc</a> : <span class="keyword">public</span> <a class="code" href="class_s_a_f_e_r_1_1_base.html">Base</a>
<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#a1904cf145e4c5c650dd7aff32f54e153" 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 <a class="code" href="class_s_a_f_e_r_1_1_dec.html">Dec</a> : <span class="keyword">public</span> <a class="code" href="class_s_a_f_e_r_1_1_base.html">Base</a>
<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#a1904cf145e4c5c650dd7aff32f54e153" 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> &lt;<span class="keyword">class</span> BASE, <span class="keyword">class</span> INFO, <span class="keywordtype">bool</span> STR&gt;
<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 <a class="code" href="class_s_a_f_e_r___impl.html">SAFER_Impl</a> : <span class="keyword">public</span> <a class="code" href="class_block_cipher_impl.html">BlockCipherImpl</a>&lt;INFO, BASE&gt;
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">protected</span>:
<a name="l00047"></a>00047         <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>&lt;8&gt;, <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>&lt;16, 8, 16, 8&gt;, <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>&lt;10, 1, 13&gt;
<a name="l00052"></a>00052 {
<a name="l00053"></a>00053         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">&quot;SAFER-K&quot;</span>;}
<a name="l00054"></a>00054 };
<a name="l00055"></a>00055 <span class="comment"></span>
<a name="l00056"></a>00056 <span class="comment">/// &lt;a href=&quot;http://www.weidai.com/scan-mirror/cs.html#SAFER-K&quot;&gt;SAFER-K&lt;/a&gt;</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#a8be783e2fa1690f37ed228b3b136fb79">00060</a>         <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal&lt;ENCRYPTION, SAFER_Impl&lt;Enc, SAFER_K_Info, false&gt;</a> &gt; <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#af141d193777b4ea16eb84746f42d1cbb">00061</a>         <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal&lt;DECRYPTION, SAFER_Impl&lt;Dec, SAFER_K_Info, false&gt;</a> &gt; <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>&lt;8&gt;, <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>&lt;16, 8, 16, 8&gt;, <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>&lt;10, 1, 13&gt;
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *StaticAlgorithmName() {<span class="keywordflow">return</span> <span class="stringliteral">&quot;SAFER-SK&quot;</span>;}
<a name="l00068"></a>00068 };
<a name="l00069"></a>00069 <span class="comment"></span>
<a name="l00070"></a>00070 <span class="comment">/// &lt;a href=&quot;http://www.weidai.com/scan-mirror/cs.html#SAFER-SK&quot;&gt;SAFER-SK&lt;/a&gt;</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#aa9d0cd529b19ba54c2eeb14ebe89849b">00074</a>         <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal&lt;ENCRYPTION, SAFER_Impl&lt;Enc, SAFER_SK_Info, true&gt;</a> &gt; <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#a37b670c15d0a20b265b5d4140999390f">00075</a>         <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html" title="_">BlockCipherFinal&lt;DECRYPTION, SAFER_Impl&lt;Dec, SAFER_SK_Info, true&gt;</a> &gt; <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>00078 <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>00079 <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>00081 <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>00082 <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></div>
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