by UMich Web Team
Platforms: UNIX, Windows 2000, Windows NT
Categories: Authentication, One Time Passwords, User Authentication
Version: v1.5
cosign is a Web single sign on system that allows users to authenticate once per session and access any protected Web resources at the institution. If used, passwords are sent only to a single, central URL. Sessions have both idle and hard timeouts, and users can logout of all protected services by visiting a single URL. The use of public key cryptography ensures that a compromise of a protected Web server has no impact on the security of other participating servers.

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