<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.14"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Crypto++: lubyrack.h Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Crypto++  <span id="projectnumber">7.0</span> </div> <div id="projectbrief">Free C++ class library of cryptographic schemes</div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.14 --> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',false,false,'search.php','Search'); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">lubyrack.h</div> </div> </div><!--header--> <div class="contents"> <a href="lubyrack_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// lubyrack.h - originally written and placed in the public domain by Wei Dai</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/// \file lubyrack.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief Classes for the Luby-Rackoff block cipher</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef CRYPTOPP_LUBYRACK_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define CRYPTOPP_LUBYRACK_H</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="simple_8h.html">simple.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="secblock_8h.html">secblock.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/// \brief Luby-Rackoff block cipher information</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00016"></a><span class="lineno"><a class="line" href="struct_l_r___info.html"> 16</a></span> <span class="keyword">struct </span><a class="code" href="struct_l_r___info.html">LR_Info</a> : <span class="keyword">public</span> <a class="code" href="class_variable_key_length.html">VariableKeyLength</a><16, 0, 2*(INT_MAX/2), 2>, <span class="keyword">public</span> <a class="code" href="class_fixed_block_size.html">FixedBlockSize</a><2*T::DIGESTSIZE></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> {</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">static</span> std::string StaticAlgorithmName() {<span class="keywordflow">return</span> std::string(<span class="stringliteral">"LR/"</span>)+T::StaticAlgorithmName();}</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> };</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">/// \brief Luby-Rackoff block cipher</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00023"></a><span class="lineno"><a class="line" href="class_l_r.html"> 23</a></span> <span class="keyword">class </span><a class="code" href="class_l_r.html">LR</a> : <span class="keyword">public</span> <a class="code" href="struct_l_r___info.html">LR_Info</a><T>, <span class="keyword">public</span> <a class="code" href="struct_block_cipher_documentation.html">BlockCipherDocumentation</a></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> {</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Base : <span class="keyword">public</span> <a class="code" href="class_block_cipher_impl.html">BlockCipherImpl</a><LR_Info<T> ></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="comment">// VC60 workaround: have to define these functions within class definition</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <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">NameValuePairs</a> &params)</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  this->AssertValidKeyLength(length);</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  L = length/2;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  buffer.New(2*S);</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  digest.New(S);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  key.Assign(userKey, 2*L);</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  }</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">protected</span>:</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  CRYPTOPP_CONSTANT(S=T::DIGESTSIZE)</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> L; <span class="comment">// key length / 2</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> key;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">mutable</span> T hm;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">mutable</span> <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> buffer, digest;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  };</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Enc : <span class="keyword">public</span> Base</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> </div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define KL this->key</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define KR this->key+this->L</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define BL this->buffer</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define BR this->buffer+this->S</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define IL inBlock</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#define IR inBlock+this->S</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#define OL outBlock</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define OR outBlock+this->S</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> ProcessAndXorBlock(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock)<span class="keyword"> const</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  this->hm.Update(KL, this->L);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  this->hm.Update(IL, this->S);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  this->hm.Final(BR);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BR, IR, this->S);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  this->hm.Update(KR, this->L);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  this->hm.Update(BR, this->S);</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  this->hm.Final(BL);</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BL, IL, this->S);</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  this->hm.Update(KL, this->L);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  this->hm.Update(BL, this->S);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  this->hm.Final(this->digest);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BR, this->digest, this->S);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  this->hm.Update(KR, this->L);</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  this->hm.Update(OR, this->S);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  this->hm.Final(this->digest);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BL, this->digest, this->S);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">if</span> (xorBlock)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(outBlock, xorBlock, this->buffer, 2*this->S);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="misc_8h.html#a5f6fcbaaf6f72fe46a6d911b033dfea0">memcpy_s</a>(outBlock, 2*this->S, this->buffer, 2*this->S);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  };</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">class </span>CRYPTOPP_NO_VTABLE Dec : <span class="keyword">public</span> Base</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  {</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> ProcessAndXorBlock(<span class="keyword">const</span> byte *inBlock, <span class="keyword">const</span> byte *xorBlock, byte *outBlock)<span class="keyword"> const</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  this->hm.Update(KR, this->L);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  this->hm.Update(IR, this->S);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  this->hm.Final(BL);</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BL, IL, this->S);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  this->hm.Update(KL, this->L);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  this->hm.Update(BL, this->S);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  this->hm.Final(BR);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BR, IR, this->S);</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  this->hm.Update(KR, this->L);</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  this->hm.Update(BR, this->S);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  this->hm.Final(this->digest);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BL, this->digest, this->S);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  this->hm.Update(KL, this->L);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  this->hm.Update(OL, this->S);</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  this->hm.Final(this->digest);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(BR, this->digest, this->S);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">if</span> (xorBlock)</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a>(outBlock, xorBlock, this->buffer, 2*this->S);</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  memcpy(outBlock, this->buffer, 2*this->S);</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  }</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#undef KL</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#undef KR</span></div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#undef BL</span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#undef BR</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#undef IL</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#undef IR</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#undef OL</span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#undef OR</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  };</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html">BlockCipherFinal<ENCRYPTION, Enc></a> <a class="code" href="class_block_cipher_final.html">Encryption</a>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keyword">typedef</span> <a class="code" href="class_block_cipher_final.html">BlockCipherFinal<DECRYPTION, Dec></a> <a class="code" href="class_block_cipher_final.html">Decryption</a>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> };</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> </div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> NAMESPACE_END</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="simple_8h_html"><div class="ttname"><a href="simple_8h.html">simple.h</a></div><div class="ttdoc">Classes providing basic library services. </div></div> <div class="ttc" id="struct_l_r___info_html"><div class="ttname"><a href="struct_l_r___info.html">LR_Info</a></div><div class="ttdoc">Luby-Rackoff block cipher information. </div><div class="ttdef"><b>Definition:</b> <a href="lubyrack_8h_source.html#l00016">lubyrack.h:16</a></div></div> <div class="ttc" id="struct_block_cipher_documentation_html"><div class="ttname"><a href="struct_block_cipher_documentation.html">BlockCipherDocumentation</a></div><div class="ttdoc">Provides Encryption and Decryption typedefs used by derived classes to implement a block cipher...</div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00420">seckey.h:420</a></div></div> <div class="ttc" id="misc_8h_html_a5f6fcbaaf6f72fe46a6d911b033dfea0"><div class="ttname"><a href="misc_8h.html#a5f6fcbaaf6f72fe46a6d911b033dfea0">memcpy_s</a></div><div class="ttdeci">void memcpy_s(void *dest, size_t sizeInBytes, const void *src, size_t count)</div><div class="ttdoc">Bounds checking replacement for memcpy() </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l00383">misc.h:383</a></div></div> <div class="ttc" id="class_sec_byte_block_html"><div class="ttname"><a href="class_sec_byte_block.html">SecByteBlock</a></div><div class="ttdoc">SecBlock<byte> typedef. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00822">secblock.h:822</a></div></div> <div class="ttc" id="secblock_8h_html"><div class="ttname"><a href="secblock_8h.html">secblock.h</a></div><div class="ttdoc">Classes and functions for secure memory allocations. </div></div> <div class="ttc" id="class_fixed_block_size_html"><div class="ttname"><a href="class_fixed_block_size.html">FixedBlockSize</a></div><div class="ttdoc">Inherited by algorithms with fixed block size. </div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00040">seckey.h:40</a></div></div> <div class="ttc" id="class_block_cipher_final_html"><div class="ttname"><a href="class_block_cipher_final.html">BlockCipherFinal< ENCRYPTION, Enc ></a></div></div> <div class="ttc" id="class_variable_key_length_html"><div class="ttname"><a href="class_variable_key_length.html">VariableKeyLength</a></div><div class="ttdoc">Inherited by keyed algorithms with variable key length. </div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00188">seckey.h:188</a></div></div> <div class="ttc" id="misc_8h_html_a6aaae7768600b9d735a5e1b8192035f8"><div class="ttname"><a href="misc_8h.html#a6aaae7768600b9d735a5e1b8192035f8">xorbuf</a></div><div class="ttdeci">void xorbuf(byte *buf, const byte *mask, size_t count)</div><div class="ttdoc">Performs an XOR of a buffer with a mask. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8cpp_source.html#l00032">misc.cpp:32</a></div></div> <div class="ttc" id="class_block_cipher_impl_html"><div class="ttname"><a href="class_block_cipher_impl.html">BlockCipherImpl</a></div><div class="ttdoc">Provides a base implementation of Algorithm and SimpleKeyingInterface for block ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00327">seckey.h:327</a></div></div> <div class="ttc" id="namespace_crypto_p_p_html"><div class="ttname"><a href="namespace_crypto_p_p.html">CryptoPP</a></div><div class="ttdoc">Crypto++ library namespace. </div></div> <div class="ttc" id="class_l_r_html"><div class="ttname"><a href="class_l_r.html">LR</a></div><div class="ttdoc">Luby-Rackoff block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="lubyrack_8h_source.html#l00023">lubyrack.h:23</a></div></div> <div class="ttc" id="class_name_value_pairs_html"><div class="ttname"><a href="class_name_value_pairs.html">NameValuePairs</a></div><div class="ttdoc">Interface for retrieving values given their names. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00290">cryptlib.h:290</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Sun Sep 16 2018 07:57:56 for Crypto++ by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.14 </small></address> </body> </html>