1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> 3<title>Heimdal crypto library</title> 4<link href="doxygen.css" rel="stylesheet" type="text/css"> 5<link href="tabs.css" rel="stylesheet" type="text/css"> 6</head><body> 7<p> 8<a href="http://www.h5l.org/"><img src="http://www.h5l.org/keyhole-heimdal.png" alt="keyhole logo"/></a> 9</p> 10<!-- end of header marker --> 11<!-- Generated by Doxygen 1.8.13 --> 12<script type="text/javascript" src="menudata.js"></script> 13<script type="text/javascript" src="menu.js"></script> 14<script type="text/javascript"> 15$(function() { 16 initMenu('',false,false,'search.php','Search'); 17}); 18</script> 19<div id="main-nav"></div> 20</div><!-- top --> 21<div class="header"> 22 <div class="headertitle"> 23<div class="title">Heimdal crypto library </div> </div> 24</div><!--header--> 25<div class="contents"> 26<div class="textblock"><h1><a class="anchor" id="intro"></a> 27Introduction</h1> 28<p>Heimdal libhcrypto library is a implementation many crypto algorithms, among others: AES, SHA, DES, RSA, Camellia and many help function.</p> 29<p>hcrypto provies a OpenSSL compatible interface libcrypto interface and is licensed under a 3 clause BSD license (GPL compatible).</p> 30<p>The project web page: <a href="http://www.h5l.org/">http://www.h5l.org/</a></p> 31<p>Sections of this manual:</p> 32<ul> 33<li><a class="el" href="page_evp.html">EVP - generic crypto interface</a>, <a class="el" href="group__hcrypto__evp.html">EVP generic crypto functions</a></li> 34<li><a class="el" href="page_rand.html">RAND - random number</a>, <a class="el" href="group__hcrypto__rand.html">RAND crypto functions</a></li> 35<li><a class="el" href="page_dh.html">DH - Diffie-Hellman key exchange</a>, <a class="el" href="group__hcrypto__dh.html">Diffie-Hellman functions</a></li> 36<li><a class="el" href="page_rsa.html">RSA - public-key cryptography</a>, <a class="el" href="group__hcrypto__rsa.html">RSA functions</a></li> 37<li><a class="el" href="group__hcrypto__misc.html">hcrypto miscellaneous functions</a></li> 38</ul> 39<p>Older interfaces that you should not use:</p> 40<ul> 41<li><a class="el" href="page_des.html">DES - Data Encryption Standard crypto interface</a>, <a class="el" href="group__hcrypto__des.html">DES crypto functions</a></li> 42</ul> 43<h2><a class="anchor" id="control_functions"></a> 44Control functions</h2> 45<p>Functions controlling general behavior, like adding algorithms, are documented in this module: <a class="el" href="group__hcrypto__core.html">hcrypto function controlling behavior</a> .</p> 46<h2><a class="anchor" id="return_values"></a> 47Return values</h2> 48<p>Return values are diffrent in this module to be compatible with OpenSSL interface. The diffrence is that on success 1 is returned instead of the customary 0.</p> 49<h2><a class="anchor" id="History"></a> 50History</h2> 51<p>Eric Young implemented DES in the library libdes, that grew into libcrypto in the ssleay package. ssleay went into recession and then got picked up by the OpenSSL (htp://www.openssl.org/) project.</p> 52<p>libhcrypto is an independent implementation with no code decended from ssleay/openssl. Both includes some common imported code, for example the AES implementation. </p> 53</div></div><!-- contents --> 54<hr size="1"><address style="text-align: right;"><small> 55Generated on Fri Jun 7 2019 02:49:57 for Heimdal crypto library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.8.13</small></address> 56</body> 57</html> 58