One open industry-standard authentication protocol that does not transmit the users password over the network is the Kerberos system from the Massachusetts Institute of Technology (MIT). Kerberos assigns a unique key, called a ticket, to each user who authenticates him or herself to the network. This authentication ticket is embedded in requests for other services, and is used to determine whether the user is, or is not, authorized to use that service.
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Version 1.0 - Version Date: November 7, 2004
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