<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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 1.8.15"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Crypto++: CFB_CipherConcretePolicy< WT, W, BASE > Struct Template Reference</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 1.8.15 --> <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="summary"> <a href="#nested-classes">Classes</a> | <a href="#pub-types">Public Types</a> | <a href="#pub-methods">Public Member Functions</a> | <a href="struct_c_f_b___cipher_concrete_policy-members.html">List of all members</a> </div> <div class="headertitle"> <div class="title">CFB_CipherConcretePolicy< WT, W, BASE > Struct Template Reference</div> </div> </div><!--header--> <div class="contents"> <p>Base class for feedback based stream ciphers. <a href="struct_c_f_b___cipher_concrete_policy.html#details">More...</a></p> <div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"> <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for CFB_CipherConcretePolicy< WT, W, BASE >:</div> <div id="dynsection-0-summary" class="dynsummary" style="display:block;"> </div> <div id="dynsection-0-content" class="dyncontent" style="display:none;"> <div class="center"> <img src="struct_c_f_b___cipher_concrete_policy.png" alt=""/> </div></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> Classes</h2></td></tr> <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_c_f_b___cipher_concrete_policy_1_1_register_output.html">RegisterOutput</a></td></tr> <tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">Provides alternate access to a feedback register. <a href="struct_c_f_b___cipher_concrete_policy_1_1_register_output.html#details">More...</a><br /></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a> Public Types</h2></td></tr> <tr class="memitem:ad2553cceef6af4437f6930ec3af95bf7"><td class="memItemLeft" align="right" valign="top"><a id="ad2553cceef6af4437f6930ec3af95bf7"></a> typedef WT </td><td class="memItemRight" valign="bottom"><b>WordType</b></td></tr> <tr class="separator:ad2553cceef6af4437f6930ec3af95bf7"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr class="memitem:a01045749031b5ba60cb7123762c23070"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_c_f_b___cipher_concrete_policy.html#a01045749031b5ba60cb7123762c23070">GetAlignment</a> () const</td></tr> <tr class="memdesc:a01045749031b5ba60cb7123762c23070"><td class="mdescLeft"> </td><td class="mdescRight">Provides data alignment requirements. <a href="#a01045749031b5ba60cb7123762c23070">More...</a><br /></td></tr> <tr class="separator:a01045749031b5ba60cb7123762c23070"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa7b2e21cf767f6f2a4ec03a7d128b692"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_c_f_b___cipher_concrete_policy.html#aa7b2e21cf767f6f2a4ec03a7d128b692">GetBytesPerIteration</a> () const</td></tr> <tr class="memdesc:aa7b2e21cf767f6f2a4ec03a7d128b692"><td class="mdescLeft"> </td><td class="mdescRight">Provides number of bytes operated upon during an iteration. <a href="#aa7b2e21cf767f6f2a4ec03a7d128b692">More...</a><br /></td></tr> <tr class="separator:aa7b2e21cf767f6f2a4ec03a7d128b692"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a128bb497623a649723aa1e2e42eb0233"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_c_f_b___cipher_concrete_policy.html#a128bb497623a649723aa1e2e42eb0233">CanIterate</a> () const</td></tr> <tr class="memdesc:a128bb497623a649723aa1e2e42eb0233"><td class="mdescLeft"> </td><td class="mdescRight">Flag indicating iteration support. <a href="#a128bb497623a649723aa1e2e42eb0233">More...</a><br /></td></tr> <tr class="separator:a128bb497623a649723aa1e2e42eb0233"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a620b544b8ec71768e9872315c82ed206"><td class="memItemLeft" align="right" valign="top"><a id="a620b544b8ec71768e9872315c82ed206"></a> void </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_c_f_b___cipher_concrete_policy.html#a620b544b8ec71768e9872315c82ed206">TransformRegister</a> ()</td></tr> <tr class="memdesc:a620b544b8ec71768e9872315c82ed206"><td class="mdescLeft"> </td><td class="mdescRight">Perform one iteration in the forward direction. <br /></td></tr> <tr class="separator:a620b544b8ec71768e9872315c82ed206"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><h3>template<typename WT, unsigned int W, class BASE = CFB_CipherAbstractPolicy><br /> struct CFB_CipherConcretePolicy< WT, W, BASE ></h3> <p>Base class for feedback based stream ciphers. </p> <dl class="tparams"><dt>Template Parameters</dt><dd> <table class="tparams"> <tr><td class="paramname">WT</td><td>word type </td></tr> <tr><td class="paramname">W</td><td>count of words </td></tr> <tr><td class="paramname">BASE</td><td><a class="el" href="class_c_f_b___cipher_abstract_policy.html" title="Policy object for feeback based stream ciphers.">CFB_CipherAbstractPolicy</a> derived base class </td></tr> </table> </dd> </dl> <p class="definition">Definition at line <a class="el" href="strciphr_8h_source.html#l00398">398</a> of file <a class="el" href="strciphr_8h_source.html">strciphr.h</a>.</p> </div><h2 class="groupheader">Member Function Documentation</h2> <a id="a01045749031b5ba60cb7123762c23070"></a> <h2 class="memtitle"><span class="permalink"><a href="#a01045749031b5ba60cb7123762c23070">◆ </a></span>GetAlignment()</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename WT , unsigned int W, class BASE = CFB_CipherAbstractPolicy> </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">unsigned int <a class="el" href="struct_c_f_b___cipher_concrete_policy.html">CFB_CipherConcretePolicy</a>< WT, W, BASE >::GetAlignment </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Provides data alignment requirements. </p> <dl class="section return"><dt>Returns</dt><dd>data alignment requirements, in bytes</dd></dl> <p>Internally, the default implementation returns 1. If the stream cipher is implemented using an SSE2 ASM or intrinsics, then the value returned is usually 16. </p> <p class="definition">Definition at line <a class="el" href="strciphr_8h_source.html#l00406">406</a> of file <a class="el" href="strciphr_8h_source.html">strciphr.h</a>.</p> </div> </div> <a id="aa7b2e21cf767f6f2a4ec03a7d128b692"></a> <h2 class="memtitle"><span class="permalink"><a href="#aa7b2e21cf767f6f2a4ec03a7d128b692">◆ </a></span>GetBytesPerIteration()</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename WT , unsigned int W, class BASE = CFB_CipherAbstractPolicy> </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">unsigned int <a class="el" href="struct_c_f_b___cipher_concrete_policy.html">CFB_CipherConcretePolicy</a>< WT, W, BASE >::GetBytesPerIteration </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Provides number of bytes operated upon during an iteration. </p> <dl class="section return"><dt>Returns</dt><dd>bytes operated upon during an iteration, in bytes </dd></dl> <dl class="section see"><dt>See also</dt><dd>GetOptimalBlockSize() </dd></dl> <p class="definition">Definition at line <a class="el" href="strciphr_8h_source.html#l00411">411</a> of file <a class="el" href="strciphr_8h_source.html">strciphr.h</a>.</p> </div> </div> <a id="a128bb497623a649723aa1e2e42eb0233"></a> <h2 class="memtitle"><span class="permalink"><a href="#a128bb497623a649723aa1e2e42eb0233">◆ </a></span>CanIterate()</h2> <div class="memitem"> <div class="memproto"> <div class="memtemplate"> template<typename WT , unsigned int W, class BASE = CFB_CipherAbstractPolicy> </div> <table class="mlabels"> <tr> <td class="mlabels-left"> <table class="memname"> <tr> <td class="memname">bool <a class="el" href="struct_c_f_b___cipher_concrete_policy.html">CFB_CipherConcretePolicy</a>< WT, W, BASE >::CanIterate </td> <td>(</td> <td class="paramname"></td><td>)</td> <td> const</td> </tr> </table> </td> <td class="mlabels-right"> <span class="mlabels"><span class="mlabel">inline</span></span> </td> </tr> </table> </div><div class="memdoc"> <p>Flag indicating iteration support. </p> <dl class="section return"><dt>Returns</dt><dd>true if the cipher supports iteration, false otherwise </dd></dl> <p class="definition">Definition at line <a class="el" href="strciphr_8h_source.html#l00415">415</a> of file <a class="el" href="strciphr_8h_source.html">strciphr.h</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="strciphr_8h_source.html">strciphr.h</a></li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Wed Nov 27 2019 15:04:01 for Crypto++ by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.15 </small></address> </body> </html>