<!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 1.8.13"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>mbed TLS v2.7.6: mbedtls_ctr_drbg_context Struct 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">mbed TLS v2.7.6 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.13 --> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> $(function() { initMenu('',false,false,'search.php','Search'); }); </script> <div id="main-nav"></div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#pub-attribs">Data Fields</a> </div> <div class="headertitle"> <div class="title">mbedtls_ctr_drbg_context Struct Reference</div> </div> </div><!--header--> <div class="contents"> <p>The CTR_DRBG context structure. <a href="structmbedtls__ctr__drbg__context.html#details">More...</a></p> <p><code>#include <<a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>></code></p> <div class="dynheader"> Collaboration diagram for mbedtls_ctr_drbg_context:</div> <div class="dyncontent"> <div class="center"><img src="structmbedtls__ctr__drbg__context__coll__graph.png" border="0" usemap="#mbedtls__ctr__drbg__context_coll__map" alt="Collaboration graph"/></div> <map name="mbedtls__ctr__drbg__context_coll__map" id="mbedtls__ctr__drbg__context_coll__map"> <area shape="rect" id="node2" href="structmbedtls__threading__mutex__t.html" title="mbedtls_threading_mutex_t" alt="" coords="5,5,277,32"/> <area shape="rect" id="node3" href="structmbedtls__aes__context.html" title="The AES context-type definition. " alt="" coords="301,5,513,32"/> </map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> Data Fields</h2></td></tr> <tr class="memitem:a45ccb95b2b7828711c158fc4a06d41fc"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#a45ccb95b2b7828711c158fc4a06d41fc">counter</a> [16]</td></tr> <tr class="separator:a45ccb95b2b7828711c158fc4a06d41fc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abdbeba1194553f4f1a3534712dc0c9f9"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#abdbeba1194553f4f1a3534712dc0c9f9">reseed_counter</a></td></tr> <tr class="separator:abdbeba1194553f4f1a3534712dc0c9f9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae521e373913548f732e0cdfe3e82d2ac"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#ae521e373913548f732e0cdfe3e82d2ac">prediction_resistance</a></td></tr> <tr class="separator:ae521e373913548f732e0cdfe3e82d2ac"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa874779eab1f355824ff692b33755476"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#aa874779eab1f355824ff692b33755476">entropy_len</a></td></tr> <tr class="separator:aa874779eab1f355824ff692b33755476"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7b048c97f8dc916d89a0c7cd9d7f8522"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#a7b048c97f8dc916d89a0c7cd9d7f8522">reseed_interval</a></td></tr> <tr class="separator:a7b048c97f8dc916d89a0c7cd9d7f8522"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ab9513701b8389770eb294cbc4267ff92"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmbedtls__aes__context.html">mbedtls_aes_context</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#ab9513701b8389770eb294cbc4267ff92">aes_ctx</a></td></tr> <tr class="separator:ab9513701b8389770eb294cbc4267ff92"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a996a460946cf035a5de799c6fc905f62"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#a996a460946cf035a5de799c6fc905f62">f_entropy</a> )(void *, unsigned char *, size_t)</td></tr> <tr class="separator:a996a460946cf035a5de799c6fc905f62"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a85ca46b24fc75d3d1c091835c8c2e0b4"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#a85ca46b24fc75d3d1c091835c8c2e0b4">p_entropy</a></td></tr> <tr class="separator:a85ca46b24fc75d3d1c091835c8c2e0b4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a93373c08a495435d54b7964fc105d713"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmbedtls__threading__mutex__t.html">mbedtls_threading_mutex_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__ctr__drbg__context.html#a93373c08a495435d54b7964fc105d713">mutex</a></td></tr> <tr class="separator:a93373c08a495435d54b7964fc105d713"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>The CTR_DRBG context structure. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00106">106</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div><h2 class="groupheader">Field Documentation</h2> <a id="ab9513701b8389770eb294cbc4267ff92"></a> <h2 class="memtitle"><span class="permalink"><a href="#ab9513701b8389770eb294cbc4267ff92">◆ </a></span>aes_ctx</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structmbedtls__aes__context.html">mbedtls_aes_context</a> mbedtls_ctr_drbg_context::aes_ctx</td> </tr> </table> </div><div class="memdoc"> <p>The AES context. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00118">118</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="a45ccb95b2b7828711c158fc4a06d41fc"></a> <h2 class="memtitle"><span class="permalink"><a href="#a45ccb95b2b7828711c158fc4a06d41fc">◆ </a></span>counter</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned char mbedtls_ctr_drbg_context::counter[16]</td> </tr> </table> </div><div class="memdoc"> <p>The counter (V). </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00108">108</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="aa874779eab1f355824ff692b33755476"></a> <h2 class="memtitle"><span class="permalink"><a href="#aa874779eab1f355824ff692b33755476">◆ </a></span>entropy_len</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">size_t mbedtls_ctr_drbg_context::entropy_len</td> </tr> </table> </div><div class="memdoc"> <p>The amount of entropy grabbed on each seed or reseed operation. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00114">114</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="a996a460946cf035a5de799c6fc905f62"></a> <h2 class="memtitle"><span class="permalink"><a href="#a996a460946cf035a5de799c6fc905f62">◆ </a></span>f_entropy</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int(* mbedtls_ctr_drbg_context::f_entropy) (void *, unsigned char *, size_t)</td> </tr> </table> </div><div class="memdoc"> <p>The entropy callback function. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00123">123</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="a93373c08a495435d54b7964fc105d713"></a> <h2 class="memtitle"><span class="permalink"><a href="#a93373c08a495435d54b7964fc105d713">◆ </a></span>mutex</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structmbedtls__threading__mutex__t.html">mbedtls_threading_mutex_t</a> mbedtls_ctr_drbg_context::mutex</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00129">129</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="a85ca46b24fc75d3d1c091835c8c2e0b4"></a> <h2 class="memtitle"><span class="permalink"><a href="#a85ca46b24fc75d3d1c091835c8c2e0b4">◆ </a></span>p_entropy</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void* mbedtls_ctr_drbg_context::p_entropy</td> </tr> </table> </div><div class="memdoc"> <p>The context for the entropy function. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00126">126</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="ae521e373913548f732e0cdfe3e82d2ac"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae521e373913548f732e0cdfe3e82d2ac">◆ </a></span>prediction_resistance</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_ctr_drbg_context::prediction_resistance</td> </tr> </table> </div><div class="memdoc"> <p>This determines whether prediction resistance is enabled, that is whether to systematically reseed before each random generation. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00110">110</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="abdbeba1194553f4f1a3534712dc0c9f9"></a> <h2 class="memtitle"><span class="permalink"><a href="#abdbeba1194553f4f1a3534712dc0c9f9">◆ </a></span>reseed_counter</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_ctr_drbg_context::reseed_counter</td> </tr> </table> </div><div class="memdoc"> <p>The reseed counter. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00109">109</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <a id="a7b048c97f8dc916d89a0c7cd9d7f8522"></a> <h2 class="memtitle"><span class="permalink"><a href="#a7b048c97f8dc916d89a0c7cd9d7f8522">◆ </a></span>reseed_interval</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_ctr_drbg_context::reseed_interval</td> </tr> </table> </div><div class="memdoc"> <p>The reseed interval. </p> <p class="definition">Definition at line <a class="el" href="ctr__drbg_8h_source.html#l00116">116</a> of file <a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="ctr__drbg_8h_source.html">ctr_drbg.h</a></li> </ul> </div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Fri Oct 12 2018 20:26:59 for mbed TLS v2.7.6 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.13 </small></address> </body> </html>