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::CcmEncryptor</title> 51 </head> 52 <body> 53 <h1><CODE><a href="../../../nn/Overview.html">nn</a>::<a href="../../../nn/crypto/Overview.html">crypto</a>::CcmEncryptor</CODE> Class</h1> 54 <h2>Syntax</h2> 55 <div class="section"> 56 <pre class="definition">class CcmEncryptor : public <a href="../../../nn/crypto/AuthenticatedEncryptor/Overview.html">nn::crypto::AuthenticatedEncryptor</a></pre> 57 </div> 58 <h2>Description</h2> 59 <div class="section"> 60 <p>Class for encrypting and generating an MAC in CCM mode.</p><p>CCM uses the cipher mode with verification stipulated by NIST SP 800-38C. When implementing this class, use the methods described in Appendix A of the above documentation for the input value format and counter value generation function.</p><p>CCM mode only supports block ciphers with block lengths of 128 bits.</p><!-- write here --></div> 61 <a name="constant" id="constant"> 62 <h2>Member Constants</h2> 63 <div class="section"> 64 <table class="members"> 65 <tr> 66 <td width="100"> 67 <span class="static_style" title="static">S</span> 68 </td> 69 <th> 70 <span class="argument"><a href="../../../nn/crypto/CcmEncryptor/BLOCK_SIZE.html"><CODE>BLOCK_SIZE</CODE></a></span> 71 </th> 72 <td width="100">const size_t</td> 73 <td>Constant representing the block size.</td> 74 </tr> 75 <tr> 76 <td width="100"> 77 <span class="static_style" title="static">S</span> 78 </td> 79 <th> 80 <span class="argument"><a href="../../../nn/crypto/CcmEncryptor/IV_SIZE.html"><CODE>IV_SIZE</CODE></a></span> 81 </th> 82 <td width="100">const size_t</td> 83 <td>Constant representing the maximum IV size.</td> 84 </tr> 85 <tr> 86 <td width="100"> 87 <span class="static_style" title="static">S</span> 88 </td> 89 <th> 90 <span class="argument"><a href="../../../nn/crypto/CcmEncryptor/UNIT_SIZE.html"><CODE>UNIT_SIZE</CODE></a></span> 91 </th> 92 <td width="100">const size_t</td> 93 <td>Constant representing the processing unit size.</td> 94 </tr> 95 <tr> 96 <td width="100"> 97 <span class="static_style" title="static">S</span> 98 </td> 99 <th> 100 <span class="argument"><a href="../../../nn/crypto/CcmEncryptor/MAC_SIZE.html"><CODE>MAC_SIZE</CODE></a></span> 101 </th> 102 <td width="100">const size_t</td> 103 <td>Constant representing the maximum MAC size.</td> 104 </tr> </table> 105 </div> 106 </a> <a name="function" id="function"> 107 <h2>Member Functions</h2> 108 <div class="section"> 109 <table class="members"> 110 <tr> 111 <td width="100"> </td> 112 <th> 113 <a href="../../../nn/crypto/CcmEncryptor/Initialize.html"><CODE>Initialize</CODE></a> 114 </th> 115 <td>Initializes encryption in CCM mode.</td> 116 </tr> 117 <tr> 118 <td width="100"> <span class="virtual_style" title="virtual">V</span> 119 </td> 120 <th> 121 <a href="../../../nn/crypto/CcmEncryptor/Finalize.html"><CODE>Finalize</CODE></a> 122 </th> 123 <td>Finalizes encryption in CCM mode.</td> 124 </tr> 125 <tr> 126 <td width="100"> <span class="virtual_style" title="virtual">V</span> 127 </td> 128 <th> 129 <a href="../../../nn/crypto/CcmEncryptor/GetIvSize.html"><CODE>GetIvSize</CODE></a> 130 </th> 131 <td>Gets the maximum IV size.</td> 132 </tr> 133 <tr> 134 <td width="100"> <span class="virtual_style" title="virtual">V</span> 135 </td> 136 <th> 137 <a href="../../../nn/crypto/CcmEncryptor/GetUnitSize.html"><CODE>GetUnitSize</CODE></a> 138 </th> 139 <td>Gets the processing unit size.</td> 140 </tr> 141 <tr> 142 <td width="100"> <span class="virtual_style" title="virtual">V</span> 143 </td> 144 <th> 145 <a href="../../../nn/crypto/CcmEncryptor/GetMacSize.html"><CODE>GetMacSize</CODE></a> 146 </th> 147 <td>Gets the maximum MAC size.</td> 148 </tr> 149 <tr> 150 <td width="100"> <span class="virtual_style" title="virtual">V</span> 151 </td> 152 <th> 153 <a href="../../../nn/crypto/CcmEncryptor/UpdateAdata.html"><CODE>UpdateAdata</CODE></a> 154 </th> 155 <td>Specifies the Adata.</td> 156 </tr> 157 <tr> 158 <td width="100"> <span class="virtual_style" title="virtual">V</span> 159 </td> 160 <th> 161 <a href="../../../nn/crypto/CcmEncryptor/UpdateAdataFinal.html"><CODE>UpdateAdataFinal</CODE></a> 162 </th> 163 <td>Finalizes Adata specification.</td> 164 </tr> 165 <tr> 166 <td width="100"> <span class="virtual_style" title="virtual">V</span> 167 </td> 168 <th> 169 <a href="../../../nn/crypto/CcmEncryptor/UpdatePdata.html"><CODE>UpdatePdata</CODE></a> 170 </th> 171 <td>Specifies the Pdata and gets the encryption result.</td> 172 </tr> 173 <tr> 174 <td width="100"> <span class="virtual_style" title="virtual">V</span> 175 </td> 176 <th> 177 <a href="../../../nn/crypto/CcmEncryptor/UpdatePdataFinal.html"><CODE>UpdatePdataFinal</CODE></a> 178 </th> 179 <td>Finalizes Pdata specification.</td> 180 </tr> 181 <tr> 182 <td width="100"> <span class="virtual_style" title="virtual">V</span> 183 </td> 184 <th> 185 <a href="../../../nn/crypto/CcmEncryptor/GenerateMac.html"><CODE>GenerateMac</CODE></a> 186 </th> 187 <td>Generates an MAC.</td> 188 </tr> 189 <tr> 190 <td width="100"> 191 <span class="static_style" title="static">S</span> </td> 192 <th> 193 <a href="../../../nn/crypto/CcmEncryptor/EncryptAndGenerate.html"><CODE>EncryptAndGenerate</CODE></a> 194 </th> 195 <td>Handles batch encryption and MAC generation in CTR mode.</td> 196 </tr> </table> 197 </div> 198 </a> 199 <h2>Class Hierarchy</h2> 200 <div class="section"> 201 <p class="hierarchy"><a href="../../../nn/crypto/CipherMode/Overview.html">nn::crypto::CipherMode</a><br /> <a href="../../../nn/crypto/AuthenticatedEncryptor/Overview.html">nn::crypto::AuthenticatedEncryptor</a><br /> <b>nn::crypto::CcmEncryptor</b> 202 </p> 203 </div> 204 <h2>Revision History</h2> 205 <div class="section"> 206 <dl class="history"> 207 <dt>2011/10/27</dt> 208 <dd>Initial version.<br /> 209 </dd> 210 </dl> 211 </div> 212 <hr><p>CONFIDENTIAL</p></body> 213</html>