<!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 1.8.5"/> <title>PolarSSL v1.3.8: 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 style="padding-left: 0.5em;"> <div id="projectname">PolarSSL v1.3.8 </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 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hmac_drbg_context:</div> <div class="dyncontent"> <div class="center"><img src="structhmac__drbg__context__coll__graph.png" border="0" usemap="#hmac__drbg__context_coll__map" alt="Collaboration graph"/></div> <map name="hmac__drbg__context_coll__map" id="hmac__drbg__context_coll__map"> </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:a83469b6f20cd1d89fabe853c2531ff8e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmd__context__t.html">md_context_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#a83469b6f20cd1d89fabe853c2531ff8e">md_ctx</a></td></tr> <tr class="separator:a83469b6f20cd1d89fabe853c2531ff8e"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1a65ebc3659a318fe1e692db220b6c6c"><td class="memItemLeft" align="right" valign="top">unsigned char </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#a1a65ebc3659a318fe1e692db220b6c6c">V</a> [<a class="el" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a>]</td></tr> <tr class="separator:a1a65ebc3659a318fe1e692db220b6c6c"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1bcf4e63608464d20a75486f6a8d2eba"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#a1bcf4e63608464d20a75486f6a8d2eba">reseed_counter</a></td></tr> <tr class="separator:a1bcf4e63608464d20a75486f6a8d2eba"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a599a085156c46b5b793837b7d7fb9b4d"><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#a599a085156c46b5b793837b7d7fb9b4d">entropy_len</a></td></tr> <tr class="separator:a599a085156c46b5b793837b7d7fb9b4d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:abe5a16c6fabcb6783df5d1b3065d9c77"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#abe5a16c6fabcb6783df5d1b3065d9c77">prediction_resistance</a></td></tr> <tr class="separator:abe5a16c6fabcb6783df5d1b3065d9c77"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a43d2193b71699be512441df40b876008"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#a43d2193b71699be512441df40b876008">reseed_interval</a></td></tr> <tr class="separator:a43d2193b71699be512441df40b876008"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a240b25c07cb7600e1b8297b655c39196"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#a240b25c07cb7600e1b8297b655c39196">f_entropy</a> )(void *, unsigned char *, size_t)</td></tr> <tr class="separator:a240b25c07cb7600e1b8297b655c39196"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae9a222cf524533d74c84dbd44406baf3"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structhmac__drbg__context.html#ae9a222cf524533d74c84dbd44406baf3">p_entropy</a></td></tr> <tr class="separator:ae9a222cf524533d74c84dbd44406baf3"><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>Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00076">76</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 class="anchor" id="a599a085156c46b5b793837b7d7fb9b4d"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">size_t hmac_drbg_context::entropy_len</td> </tr> </table> </div><div class="memdoc"> <p>entropy bytes grabbed on each (re)seed </p> <p>Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00085">85</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a class="anchor" id="a240b25c07cb7600e1b8297b655c39196"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int(* hmac_drbg_context::f_entropy)(void *, unsigned char *, size_t)</td> </tr> </table> </div><div class="memdoc"> <p>entropy function </p> <p>Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00091">91</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a class="anchor" id="a83469b6f20cd1d89fabe853c2531ff8e"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname"><a class="el" href="structmd__context__t.html">md_context_t</a> hmac_drbg_context::md_ctx</td> </tr> </table> </div><div class="memdoc"> <p>HMAC context (inc. K) </p> <p>Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00080">80</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a class="anchor" id="ae9a222cf524533d74c84dbd44406baf3"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void* hmac_drbg_context::p_entropy</td> </tr> </table> </div><div class="memdoc"> <p>context for the entropy function </p> <p>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 class="anchor" id="abe5a16c6fabcb6783df5d1b3065d9c77"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int hmac_drbg_context::prediction_resistance</td> </tr> </table> </div><div class="memdoc"> <p>enable prediction resistance (Automatic reseed before every random generation) </p> <p>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 class="anchor" id="a1bcf4e63608464d20a75486f6a8d2eba"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int hmac_drbg_context::reseed_counter</td> </tr> </table> </div><div class="memdoc"> <p>reseed counter </p> <p>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> <a class="anchor" id="a43d2193b71699be512441df40b876008"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int hmac_drbg_context::reseed_interval</td> </tr> </table> </div><div class="memdoc"> <p>reseed interval </p> <p>Definition at line <a class="el" href="hmac__drbg_8h_source.html#l00088">88</a> of file <a class="el" href="hmac__drbg_8h_source.html">hmac_drbg.h</a>.</p> </div> </div> <a class="anchor" id="a1a65ebc3659a318fe1e692db220b6c6c"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">unsigned char hmac_drbg_context::V[<a class="el" href="md_8h.html#a38c76a15d6a3874f898f3dc60750dde1">POLARSSL_MD_MAX_SIZE</a>]</td> </tr> </table> </div><div class="memdoc"> <p>V in the spec </p> <p>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> <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 Thu Jul 31 2014 11:35:56 for PolarSSL v1.3.8 by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.5 </small></address> </body> </html>