<!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: entropy_poll.h File 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 id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_b4d146e9a6d8dd56ed4afb2480a97fd3.html">mbedtls</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="summary"> <a href="#define-members">Macros</a> | <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">entropy_poll.h File Reference</div> </div> </div><!--header--> <div class="contents"> <p>Platform-specific and custom entropy polling functions. <a href="#details">More...</a></p> <div class="textblock"><code>#include "<a class="el" href="config_8h_source.html">config.h</a>"</code><br /> <code>#include <stddef.h></code><br /> </div><div class="textblock"><div class="dynheader"> Include dependency graph for entropy_poll.h:</div> <div class="dyncontent"> <div class="center"><img src="entropy__poll_8h__incl.png" border="0" usemap="#entropy__poll_8h" alt=""/></div> <map name="entropy__poll_8h" id="entropy__poll_8h"> <area shape="rect" id="node2" href="config_8h.html" title="Configuration options (set of defines) " alt="" coords="35,80,138,107"/> <area shape="rect" id="node3" href="check__config_8h.html" title="Consistency checks for configuration options. " alt="" coords="5,155,168,181"/> </map> </div> </div> <p><a href="entropy__poll_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr class="memitem:a7bd03568eb4ced60c878a6adc46aa407"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="entropy__poll_8h.html#a7bd03568eb4ced60c878a6adc46aa407">MBEDTLS_ENTROPY_MIN_PLATFORM</a>   32</td></tr> <tr class="separator:a7bd03568eb4ced60c878a6adc46aa407"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a7d41a7970cd0a899aa8528ec1b95aa36"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="entropy__poll_8h.html#a7d41a7970cd0a899aa8528ec1b95aa36">MBEDTLS_ENTROPY_MIN_HAVEGE</a>   32</td></tr> <tr class="separator:a7d41a7970cd0a899aa8528ec1b95aa36"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a65c4fbcd7f6e3617f3e595f267258475"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="entropy__poll_8h.html#a65c4fbcd7f6e3617f3e595f267258475">MBEDTLS_ENTROPY_MIN_HARDCLOCK</a>   4</td></tr> <tr class="separator:a65c4fbcd7f6e3617f3e595f267258475"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af2e343b3c665b0bcda235401a6bfeca1"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="entropy__poll_8h.html#af2e343b3c665b0bcda235401a6bfeca1">MBEDTLS_ENTROPY_MIN_HARDWARE</a>   32</td></tr> <tr class="separator:af2e343b3c665b0bcda235401a6bfeca1"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:add93967cb361ce9758800ba5a2017528"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="entropy__poll_8h.html#add93967cb361ce9758800ba5a2017528">mbedtls_platform_entropy_poll</a> (void *data, unsigned char *output, size_t len, size_t *olen)</td></tr> <tr class="memdesc:add93967cb361ce9758800ba5a2017528"><td class="mdescLeft"> </td><td class="mdescRight">Entropy poll callback that provides 0 entropy. <a href="#add93967cb361ce9758800ba5a2017528">More...</a><br /></td></tr> <tr class="separator:add93967cb361ce9758800ba5a2017528"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:af0a76132aecfd4d8e08d5ac7d16b2869"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="entropy__poll_8h.html#af0a76132aecfd4d8e08d5ac7d16b2869">mbedtls_hardclock_poll</a> (void *data, unsigned char *output, size_t len, size_t *olen)</td></tr> <tr class="memdesc:af0a76132aecfd4d8e08d5ac7d16b2869"><td class="mdescLeft"> </td><td class="mdescRight">mbedtls_timing_hardclock-based entropy poll callback <a href="#af0a76132aecfd4d8e08d5ac7d16b2869">More...</a><br /></td></tr> <tr class="separator:af0a76132aecfd4d8e08d5ac7d16b2869"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>Platform-specific and custom entropy polling functions. </p> <p class="definition">Definition in file <a class="el" href="entropy__poll_8h_source.html">entropy_poll.h</a>.</p> </div><h2 class="groupheader">Macro Definition Documentation</h2> <a id="a65c4fbcd7f6e3617f3e595f267258475"></a> <h2 class="memtitle"><span class="permalink"><a href="#a65c4fbcd7f6e3617f3e595f267258475">◆ </a></span>MBEDTLS_ENTROPY_MIN_HARDCLOCK</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define MBEDTLS_ENTROPY_MIN_HARDCLOCK   4</td> </tr> </table> </div><div class="memdoc"> <p>Minimum for <a class="el" href="timing_8h.html#aeec9ae2577ce34ab01f2d213b99d07e1" title="Return the CPU cycle counter value. ">mbedtls_timing_hardclock()</a> </p> <p class="definition">Definition at line <a class="el" href="entropy__poll_8h_source.html#l00044">44</a> of file <a class="el" href="entropy__poll_8h_source.html">entropy_poll.h</a>.</p> </div> </div> <a id="af2e343b3c665b0bcda235401a6bfeca1"></a> <h2 class="memtitle"><span class="permalink"><a href="#af2e343b3c665b0bcda235401a6bfeca1">◆ </a></span>MBEDTLS_ENTROPY_MIN_HARDWARE</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define MBEDTLS_ENTROPY_MIN_HARDWARE   32</td> </tr> </table> </div><div class="memdoc"> <p>Minimum for the hardware source </p> <p class="definition">Definition at line <a class="el" href="entropy__poll_8h_source.html#l00046">46</a> of file <a class="el" href="entropy__poll_8h_source.html">entropy_poll.h</a>.</p> </div> </div> <a id="a7d41a7970cd0a899aa8528ec1b95aa36"></a> <h2 class="memtitle"><span class="permalink"><a href="#a7d41a7970cd0a899aa8528ec1b95aa36">◆ </a></span>MBEDTLS_ENTROPY_MIN_HAVEGE</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define MBEDTLS_ENTROPY_MIN_HAVEGE   32</td> </tr> </table> </div><div class="memdoc"> <p>Minimum for HAVEGE </p> <p class="definition">Definition at line <a class="el" href="entropy__poll_8h_source.html#l00043">43</a> of file <a class="el" href="entropy__poll_8h_source.html">entropy_poll.h</a>.</p> </div> </div> <a id="a7bd03568eb4ced60c878a6adc46aa407"></a> <h2 class="memtitle"><span class="permalink"><a href="#a7bd03568eb4ced60c878a6adc46aa407">◆ </a></span>MBEDTLS_ENTROPY_MIN_PLATFORM</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define MBEDTLS_ENTROPY_MIN_PLATFORM   32</td> </tr> </table> </div><div class="memdoc"> <p>Minimum for platform source </p> <p class="definition">Definition at line <a class="el" href="entropy__poll_8h_source.html#l00042">42</a> of file <a class="el" href="entropy__poll_8h_source.html">entropy_poll.h</a>.</p> </div> </div> <h2 class="groupheader">Function Documentation</h2> <a id="af0a76132aecfd4d8e08d5ac7d16b2869"></a> <h2 class="memtitle"><span class="permalink"><a href="#af0a76132aecfd4d8e08d5ac7d16b2869">◆ </a></span>mbedtls_hardclock_poll()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_hardclock_poll </td> <td>(</td> <td class="paramtype">void * </td> <td class="paramname"><em>data</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned char * </td> <td class="paramname"><em>output</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t </td> <td class="paramname"><em>len</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t * </td> <td class="paramname"><em>olen</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>mbedtls_timing_hardclock-based entropy poll callback </p> </div> </div> <a id="add93967cb361ce9758800ba5a2017528"></a> <h2 class="memtitle"><span class="permalink"><a href="#add93967cb361ce9758800ba5a2017528">◆ </a></span>mbedtls_platform_entropy_poll()</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">int mbedtls_platform_entropy_poll </td> <td>(</td> <td class="paramtype">void * </td> <td class="paramname"><em>data</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">unsigned char * </td> <td class="paramname"><em>output</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t </td> <td class="paramname"><em>len</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">size_t * </td> <td class="paramname"><em>olen</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <p>Entropy poll callback that provides 0 entropy. </p> <p>Platform-specific entropy poll callback </p> </div> </div> </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>