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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Free Liberty Alliance Single Sign On</title>
</head>
<body>
<p>
<acronym title="Liberty Alliance Single Sign On">Lasso</acronym> is a free
software C library aiming to implement the <a
href="http://www.projectliberty.org">Liberty Alliance</a> standards; it
defines processes for federated identities, single sign-on and related
protocols. Lasso is built on top of <a href="http://www.xmlsoft.org">libxml2</a>,
<a href="http://www.aleksey.com/xmlsec/">XMLSec</a> and <a
href="http://www.openssl.org">OpenSSL</a> and is licensed under the <a
href="/license">GNU General Public License</a>
(with an <a href="/license#openssl">OpenSSL exception</a>).
</p>
<p>
We strongly recommend the use of the <a href="/license">GNU General Public
License</a> each time it is possible. But for proprietary projects, that
wouldn't want to use it, we designed a <a
href="http://www.entrouvert.com/en/digital-identity/license-and-support">commercial
license</a>.
</p>
<p>
Lasso first focused on implementing the Liberty Alliance <acronym
title="IDentity Federation Framework">ID-FF</acronym> 1.2 protocols.
It now supports a good part of <acronym title="IDentity Web Services
Framework">ID-WSF</acronym> and SAML 2.0 support has also been completed.
</p>
<p>
<a href="http://www.swig.org">SWIG</a> is used to provide high-level
bindings for other languages. Currently tested and distributed bindings are
Python, Perl, Java and PHP as well as preliminary .NET assemblies (for C# and
the .NET runtime environment).
</p>
<p>
It is primarly developed on GNU/Linux and works on many UNIX environments
(including Apple MacOS X) and on Microsoft Windows.
</p>
<p>
The most recent version of Lasso is <strong>2.3.5</strong>. You can
<a href="https://dev.entrouvert.org/lasso/lasso-2.3.5.tar.gz">download
the 2.3.5 tarball here</a> or get more options on the general <a
href="/download/">download</a> page.
</p>
<!-- XXX note about different architectures -->
<h2>Support Matrix</h2>
<p>
Lasso is just a library, it is up to the applications to use it to implement
profiles defined by the Liberty Alliance. Lasso currently provides support
for the following profiles:
</p>
<table class="matrix">
<caption>Supported Liberty protocol profiles</caption>
<thead>
<tr>
<th>Feature</th>
<th><acronym title="Identity Provider">IdP</acronym></th>
<th><acronym title="Service Provider">SP</acronym></th>
</tr>
</thead>
<tbody>
<tr>
<td>Single Sign-On using Artifact Profile</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Single Sign-On using Browser POST Profile</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Single Sign-On using LECP Profile</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Register Name Identifier - (IdP Initiated) - HTTP-Redirect</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Register Name Identifier - (IdP Initiated) - SOAP/HTTP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Register Name Identifier - (SP Initiated) - HTTP-Redirect</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Register Name Identifier - (SP Initiated) - SOAP/HTTP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Federation Termination Notification (IdP Initiated) - HTTP-Redirect</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Federation Termination Notification (IdP Initiated) - SOAP/HTTP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Federation Termination Notification (SP Initiated) - HTTP-Redirect</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Federation Termination Notification (SP Initiated) - SOAP/HTTP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Single Logout (IdP Initiated) HTTP-Redirect</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Single Logout (IdP Initiated) HTTP-GET</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Single Logout (IdP Initiated) SOAP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Single Logout (SP Initiated) HTTP-Redirect</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr class="even">
<td>Single Logout (SP Initiated) SOAP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Identity Provider Introduction (cookie)</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Attribute Query SOAP</td>
<td>OK</td>
<td>OK</td>
</tr>
<tr>
<td>Authorization Decision Query SOAP</td>
<td>OK</td>
<td>OK</td>
</tr>
</tbody>
</table>
<!-- XXX note about professional services -->
</body>
</html>
|
