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End of Life Warning

As of July 31, 2016, all security maintenance for the OpenSAML V2 Java release branch will ceaseceased. A complete schedule of the dates can be found here. All deployments should upgrade to V3 or evaluate other alternatives. This does not apply to the C++ libraries, which remain supported indefinitely

As of July 17th, 2018, all security maintenance for the OpenSAML V2 C++ release branch ceased. The author encourages anybody using that code to seek other options or, preferably, stop implementing SAML yourself and use an existing implementation. There are no plans to ever provide meaningful documentation or support for any use of that code outside the Shibboleth Project. Use it at your own risk.

Welcome to the OpenSAML website. OpenSAML is a set of open source C++ & Java libraries meant to support developers working with the Security Assertion Markup Language (SAML). OpenSAML 2, the current version, supports SAML 1.0, 1.1, and 2.0. Additionally, various development groups have found the framework created to support OpenSAML 2 useful for their own work. We are in the process of integrating their code supporting WS-Addressing, WS-Security, WS-Trust and XACML.