Shibboleth allows users to securely send trusted information about themselves to remote resources. This information may then be used for authentication, authorization, content personalization, and enabling single sign-on across a broad range of services from many different providers.

The current stable release of the Identity Provider is V2.3.8. There are no previous stable releases at this time.

The current stable release of the Service Provider is V2.5.0. The previous stable release is V2.4.3. The EOL date for V2.4.3 has not yet been established.

Shibboleth V1.3.x and earlier releases of the Identity Provider and Service Provider are unsupported. Shibboleth V2.x is fully interoperable with V1.3.x releases, and is partially interoperable with older versions.

All software, including archived releases, is available from http://shibboleth.net/downloads/ and each release is accompanied by a detached PGP signature using one of the keys listed in the project's KEYS file.

For high-level information to get started, please read Understanding Shibboleth.

All deployers should make sure to subscribe to to the announce mailing list to be sure of seeing important security announcements.

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