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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 1.9.1 --> 12<script type="text/javascript" src="menudata.js"></script> 13<script type="text/javascript" src="menu.js"></script> 14<script type="text/javascript"> 15/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 16$(function() { 17 initMenu('',false,false,'search.php','Search'); 18}); 19/* @license-end */</script> 20<div id="main-nav"></div> 21</div><!-- top --> 22<div class="PageDoc"><div class="header"> 23 <div class="headertitle"> 24<div class="title">Heimdal crypto library </div> </div> 25</div><!--header--> 26<div class="contents"> 27<div class="textblock"><h1><a class="anchor" id="intro"></a> 28Introduction</h1> 29<p>Heimdal libhcrypto library is a implementation many crypto algorithms, among others: AES, SHA, DES, RSA, Camellia and many help function.</p> 30<p>hcrypto provies a OpenSSL compatible interface libcrypto interface and is licensed under a 3 clause BSD license (GPL compatible).</p> 31<p>The project web page: <a href="http://www.h5l.org/">http://www.h5l.org/</a></p> 32<p>Sections of this manual:</p> 33<ul> 34<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> 35<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> 36<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> 37<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> 38<li><a class="el" href="group__hcrypto__misc.html">hcrypto miscellaneous functions</a></li> 39</ul> 40<p>Older interfaces that you should not use:</p> 41<ul> 42<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> 43</ul> 44<h2><a class="anchor" id="control_functions"></a> 45Control functions</h2> 46<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> 47<h2><a class="anchor" id="return_values"></a> 48Return values</h2> 49<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> 50<h2><a class="anchor" id="History"></a> 51History</h2> 52<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> 53<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> 54</div></div><!-- PageDoc --> 55</div><!-- contents --> 56<hr size="1"><address style="text-align: right;"><small> 57Generated on Tue Nov 15 2022 14:04:26 for Heimdal crypto library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.9.1</small></address> 58</body> 59</html> 60