<!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_hmac_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_hmac_drbg_context Struct Reference</div> </div> </div><!--header--> <div class="contents"> <p><code>#include <<a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>></code></p> <div class="dynheader"> Collaboration diagram for mbedtls_hmac_drbg_context:</div> <div class="dyncontent"> <div class="center"><img src="structmbedtls__hmac__drbg__context__coll__graph.png" border="0" usemap="#mbedtls__hmac__drbg__context_coll__map" alt="Collaboration graph"/></div> <map name="mbedtls__hmac__drbg__context_coll__map" id="mbedtls__hmac__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__md__context__t.html" title="mbedtls_md_context_t" alt="" coords="301,5,523,32"/> </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:ae5ab42fe02b5f9d26c5b4535e3614a4d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmbedtls__md__context__t.html">mbedtls_md_context_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#ae5ab42fe02b5f9d26c5b4535e3614a4d">md_ctx</a></td></tr> <tr class="separator:ae5ab42fe02b5f9d26c5b4535e3614a4d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3e426c343012174c037a462535d23715"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#a3e426c343012174c037a462535d23715">V</a> [<a class="el" href="md_8h.html#ad3e0e65cb5b289a358b83b5af1fdd41b">MBEDTLS_MD_MAX_SIZE</a>]</td></tr> <tr class="separator:a3e426c343012174c037a462535d23715"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a3bdabbbda4d50c954907f5db1f8cecaf"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#a3bdabbbda4d50c954907f5db1f8cecaf">reseed_counter</a></td></tr> <tr class="separator:a3bdabbbda4d50c954907f5db1f8cecaf"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a137d68a6581248a2a6fbe06dae4a830b"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#a137d68a6581248a2a6fbe06dae4a830b">entropy_len</a></td></tr> <tr class="separator:a137d68a6581248a2a6fbe06dae4a830b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2c486e648011f32883056541249f7a80"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#a2c486e648011f32883056541249f7a80">prediction_resistance</a></td></tr> <tr class="separator:a2c486e648011f32883056541249f7a80"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa69d31aabb0c213dd5f3ea38b8f3f1ad"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#aa69d31aabb0c213dd5f3ea38b8f3f1ad">reseed_interval</a></td></tr> <tr class="separator:aa69d31aabb0c213dd5f3ea38b8f3f1ad"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aab9615a6dcd72775be46bca4197df058"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#aab9615a6dcd72775be46bca4197df058">f_entropy</a> )(void *, unsigned char *, size_t)</td></tr> <tr class="separator:aab9615a6dcd72775be46bca4197df058"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a218d146b662c9795b9f05b94fa482790"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structmbedtls__hmac__drbg__context.html#a218d146b662c9795b9f05b94fa482790">p_entropy</a></td></tr> <tr class="separator:a218d146b662c9795b9f05b94fa482790"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4703ebf07efd9b2b768e02a183756ee6"><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__hmac__drbg__context.html#a4703ebf07efd9b2b768e02a183756ee6">mutex</a></td></tr> <tr class="separator:a4703ebf07efd9b2b768e02a183756ee6"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>HMAC_DRBG context. </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00077">77</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div><h2 class="groupheader">Field Documentation</h2> <a id="a137d68a6581248a2a6fbe06dae4a830b"></a> <h2 class="memtitle"><span class="permalink"><a href="#a137d68a6581248a2a6fbe06dae4a830b">◆ </a></span>entropy_len</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">size_t mbedtls_hmac_drbg_context::entropy_len</td> </tr> </table> </div><div class="memdoc"> <p>entropy bytes grabbed on each (re)seed </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00086">86</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="aab9615a6dcd72775be46bca4197df058"></a> <h2 class="memtitle"><span class="permalink"><a href="#aab9615a6dcd72775be46bca4197df058">◆ </a></span>f_entropy</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int(* mbedtls_hmac_drbg_context::f_entropy) (void *, unsigned char *, size_t)</td> </tr> </table> </div><div class="memdoc"> <p>entropy function </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00092">92</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="ae5ab42fe02b5f9d26c5b4535e3614a4d"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae5ab42fe02b5f9d26c5b4535e3614a4d">◆ </a></span>md_ctx</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structmbedtls__md__context__t.html">mbedtls_md_context_t</a> mbedtls_hmac_drbg_context::md_ctx</td> </tr> </table> </div><div class="memdoc"> <p>HMAC context (inc. K) </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00081">81</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="a4703ebf07efd9b2b768e02a183756ee6"></a> <h2 class="memtitle"><span class="permalink"><a href="#a4703ebf07efd9b2b768e02a183756ee6">◆ </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_hmac_drbg_context::mutex</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00096">96</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="a218d146b662c9795b9f05b94fa482790"></a> <h2 class="memtitle"><span class="permalink"><a href="#a218d146b662c9795b9f05b94fa482790">◆ </a></span>p_entropy</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void* mbedtls_hmac_drbg_context::p_entropy</td> </tr> </table> </div><div class="memdoc"> <p>context for the entropy function </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00093">93</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="a2c486e648011f32883056541249f7a80"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2c486e648011f32883056541249f7a80">◆ </a></span>prediction_resistance</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_hmac_drbg_context::prediction_resistance</td> </tr> </table> </div><div class="memdoc"> <p>enable prediction resistance (Automatic reseed before every random generation) </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00087">87</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="a3bdabbbda4d50c954907f5db1f8cecaf"></a> <h2 class="memtitle"><span class="permalink"><a href="#a3bdabbbda4d50c954907f5db1f8cecaf">◆ </a></span>reseed_counter</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_hmac_drbg_context::reseed_counter</td> </tr> </table> </div><div class="memdoc"> <p>reseed counter </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00083">83</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="aa69d31aabb0c213dd5f3ea38b8f3f1ad"></a> <h2 class="memtitle"><span class="permalink"><a href="#aa69d31aabb0c213dd5f3ea38b8f3f1ad">◆ </a></span>reseed_interval</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_hmac_drbg_context::reseed_interval</td> </tr> </table> </div><div class="memdoc"> <p>reseed interval </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00089">89</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a id="a3e426c343012174c037a462535d23715"></a> <h2 class="memtitle"><span class="permalink"><a href="#a3e426c343012174c037a462535d23715">◆ </a></span>V</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned char mbedtls_hmac_drbg_context::V[<a class="el" href="md_8h.html#ad3e0e65cb5b289a358b83b5af1fdd41b">MBEDTLS_MD_MAX_SIZE</a>]</td> </tr> </table> </div><div class="memdoc"> <p>V in the spec </p> <p class="definition">Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00082">82</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <hr/>The documentation for this struct was generated from the following file:<ul> <li><a class="el" href="hmac__drbg_8h_source.html">hmac_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>