Background
Jasig Central Authentication Service (stats)CAS) is a web single sign on service designed with enterprises in mind. Originally developed at Yale University, CAS is now managed by Jasig, and its development is led by institutions such as Rutgers, Virginia Tech, as well as individuals from France and Belgium.
CAS is a full-featured open source single sign on service that has been deployed at universities, non-profits, non-government organizations, governments, small businesses, and large corporations in many countries including the United States, Canada, France, Spain, United Kingdom, Portugal, Turkey, Italy, Germany, China, India, Japan, Australia, and New Zealand.
What is Jasig?
Jasig is a non-profit consortium of educational institutions and commercial affiliates that sponsors open source software projects for higher education. Jasig organizes conferences in support of open source software planning, design, development, and implementation. Jasig currently sponsors the uPortal and Central Authentication Service (CAS) projects, and is currently incubating potential projects like Bedework, OpenRegistry, and various portlets.
and implementation.
Roadmap
CAS is an ever-evolving project. While development on the current CAS3 branch has fallen mostly into maintenance and minor enhancements, development of the CAS4 release has started. CAS4 is looking to include SAML2 support, federation support, a reworked architecture, a more enhanced service management tool, better clustering support, as well as an enhanced user experience with regards to login.
Community Support
Supported Platforms
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The community has also contributed their expertise in "CASifying" a wide range of applications including Joomia, OpenCms, FishEye & Crucible, Roller, Liferay, Wordpress, and Zimbra.
Features
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CAS supports the CAS1 and CAS2 protocols allowing for simple single sign on, as well as proxy authentication. The addition of SAML 1.1 allows for the exchange of attributes between the CAS server and CAS clients. Partial SAML2 support allows for integration with Google Apps for Education, allowing universities that have deployed CAS to take advantage of institutional GMail.
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