1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../../../css/manpage.css" type="text/css" /> 7 <style type="text/css"><!-- 8 span.static_style 9 { 10 font-size : 8pt; 11 color : white; 12 font-weight : bold; 13 background : #44f; 14 border-left : solid 1px #aaf; 15 border-top : solid 1px #aaf; 16 border-right : solid 1px #00c; 17 border-bottom : solid 1px #00c; 18 padding-left : 2px; 19 padding-right : 2px; 20 } 21 22 span.virtual_style 23 { 24 font-size : 8pt; 25 color : white; 26 font-weight : bold; 27 background : #0a0; 28 border-left : solid 1px #0f0; 29 border-top : solid 1px #0f0; 30 border-right : solid 1px #060; 31 border-bottom : solid 1px #060; 32 padding-left : 2px; 33 padding-right : 2px; 34 } 35 36 span.protected_style 37 { 38 font-size : 8pt; 39 color : white; 40 font-weight : bold; 41 background : #444; 42 border-left : solid 1px #ccc; 43 border-top : solid 1px #ccc; 44 border-right : solid 1px #222; 45 border-bottom : solid 1px #222; 46 padding-left : 2px; 47 padding-right : 2px; 48 } 49 --></style> 50 <title>nn::crypto::CtrEncryptor</title> 51 </head> 52 <body> 53 <h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/crypto/Overview.html">crypto</a>::CtrEncryptor</CODE> Class</h1> 54 <h2>Syntax</h2> 55 <div class="section"> 56 <pre class="definition">template <size_t BlockSize> 57class CtrEncryptor : public <a href="../../../nn/crypto/Encryptor/Overview.html">nn::crypto::Encryptor</a></pre> 58 </div> 59 <h2>Template Arguments</h2> 60 <div class="section"> 61 <table class="arguments"> 62 <thead> 63 <tr> 64 <th>Name</th> 65 <td>Description</td> 66 </tr> 67 </thead> 68 <tr> 69 <th><CODE>BlockSize</CODE></th> 70 <td>Block size of the targeted block cipher.</td> 71 </tr> </table> 72 </div> 73 <h2>Description</h2> 74 <div class="section"> 75 <p>Class for encrypting in CTR mode.</p><p>The cipher mode for CTR is as stipulated in NIST SP 800-38A. When implementing this class, use a simple incrementer as the function to increment the counter value.</p><p>This class is a template class that has the block size as a template parameter. Use the <CODE><a href="../../../nn/crypto/CtrDecryptor128.html">CtrDecryptor128</a></CODE> type when actually using.</p><!-- write here --></div> 76 <a name="constant" id="constant"> 77 <h2>Member Constants</h2> 78 <div class="section"> 79 <table class="members"> 80 <tr> 81 <td width="100"> 82 <span class="static_style" title="static">S</span> 83 </td> 84 <th> 85 <span class="argument"><a href="../../../nn/crypto/CtrEncryptor/BLOCK_SIZE.html"><CODE>BLOCK_SIZE</CODE></a></span> 86 </th> 87 <td width="100">const size_t</td> 88 <td>Constant representing the block size.</td> 89 </tr> 90 <tr> 91 <td width="100"> 92 <span class="static_style" title="static">S</span> 93 </td> 94 <th> 95 <span class="argument"><a href="../../../nn/crypto/CtrEncryptor/IV_SIZE.html"><CODE>IV_SIZE</CODE></a></span> 96 </th> 97 <td width="100">const size_t</td> 98 <td>Constant representing the IV size.</td> 99 </tr> 100 <tr> 101 <td width="100"> 102 <span class="static_style" title="static">S</span> 103 </td> 104 <th> 105 <span class="argument"><a href="../../../nn/crypto/CtrEncryptor/UNIT_SIZE.html"><CODE>UNIT_SIZE</CODE></a></span> 106 </th> 107 <td width="100">const size_t</td> 108 <td>Constant representing the processing unit size.</td> 109 </tr> </table> 110 </div> 111 </a> <a name="function" id="function"> 112 <h2>Member Functions</h2> 113 <div class="section"> 114 <table class="members"> 115 <tr> 116 <td width="100"> <span class="virtual_style" title="virtual">V</span> 117 </td> 118 <th> 119 <a href="../../../nn/crypto/CtrEncryptor/GetIvSize.html"><CODE>GetIvSize</CODE></a> 120 </th> 121 <td>Gets the IV size.</td> 122 </tr> 123 <tr> 124 <td width="100"> <span class="virtual_style" title="virtual">V</span> 125 </td> 126 <th> 127 <a href="../../../nn/crypto/CtrEncryptor/GetUnitSize.html"><CODE>GetUnitSize</CODE></a> 128 </th> 129 <td>Gets the processing unit size.</td> 130 </tr> 131 <tr> 132 <td width="100"> <span class="virtual_style" title="virtual">V</span> 133 </td> 134 <th> 135 <a href="../../../nn/crypto/CtrEncryptor/Initialize.html"><CODE>Initialize</CODE></a> 136 </th> 137 <td>Initializes encryption.</td> 138 </tr> 139 <tr> 140 <td width="100"> <span class="virtual_style" title="virtual">V</span> 141 </td> 142 <th> 143 <a href="../../../nn/crypto/CtrEncryptor/Finalize.html"><CODE>Finalize</CODE></a> 144 </th> 145 <td>Finalizes encryption in CTR mode.</td> 146 </tr> 147 <tr> 148 <td width="100"> <span class="virtual_style" title="virtual">V</span> 149 </td> 150 <th> 151 <a href="../../../nn/crypto/CtrEncryptor/Update.html"><CODE>Update</CODE></a> 152 </th> 153 <td>Encrypts.</td> 154 </tr> 155 <tr> 156 <td width="100"> <span class="virtual_style" title="virtual">V</span> 157 </td> 158 <th> 159 <a href="../../../nn/crypto/CtrEncryptor/UpdateFinal.html"><CODE>UpdateFinal</CODE></a> 160 </th> 161 <td>Finalizes encryption.</td> 162 </tr> 163 <tr> 164 <td width="100"> 165 <span class="static_style" title="static">S</span> </td> 166 <th> 167 <a href="../../../nn/crypto/CtrEncryptor/Encrypt.html"><CODE>Encrypt</CODE></a> 168 </th> 169 <td>Handles batch encryption when in CTR mode.</td> 170 </tr> </table> 171 </div> 172 </a> 173 <h2>Class Hierarchy</h2> 174 <div class="section"> 175 <p class="hierarchy"><a href="../../../nn/crypto/CipherMode/Overview.html">nn::crypto::CipherMode</a><br /> <a href="../../../nn/crypto/Encryptor/Overview.html">nn::crypto::Encryptor</a><br /> <b>nn::crypto::CtrEncryptor</b> 176 </p> 177 </div> 178 <h2>Revision History</h2> 179 <div class="section"> 180 <dl class="history"> 181 <dt>2011/10/27</dt> 182 <dd>Initial version.<br /> 183 </dd> 184 </dl> 185 </div> 186 <hr><p>CONFIDENTIAL</p></body> 187</html>