Kerberos
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Under the current mechanism [RFC4120], the Kerberos Distribution
Center (KDC) must limit the ticket session key encryption ...
... software being used.
This document specifies an extension to the Kerberos protocol to
allow clients and servers to negotiate use of a different and
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... encrypted data; thus, the security considerations are the same as
those of the Kerberos encrypted data.
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... Raeburn, K., "Encryption and Checksum Specifications for Kerberos 5", RFC 3961prop, February 2005. ...
... Neuman, C., Yu, T., Hartman, S., and K. Raeburn, "The Kerberos Network Authentication Service (V5)", RFC 4120prop ...