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Title : PPP EAP GSS Authentication Protocol
Author(s) : B. Aboba
Filename : draft-aboba-pppext-eapgss-00.txt
Pages : 16
Date : 02-Dec-99
The Point-to-Point Protocol (PPP) provides a standard method for
transporting multi-protocol datagrams over point-to-point links. PPP
also defines an extensible Link Control Protocol (LCP), which can be
used to negotiate authentication methods, as well as an Encryption
Control Protocol (ECP), used to negotiate data encryption over PPP
links, and a Compression Control Protocol (CCP), used to negotiate
compression methods. The Extensible Authentication Protocol (EAP)
provides a standard mechanism for support of additional authentication
methods within PPP. Through the use of EAP, support for a number of
authentication schemes may be added, including smart cards, Kerberos,
Public Key, One Time Passwords, and others.
It is desirable to support GSS_API authentication methods within EAP,
since this permits developers creating GSS_API compliant authentication
methods to leverage their development efforts. This document describes
how EAP-GSS, which includes support for fragmentation and reassembly,
supports the use of GSS_API mechanisms within EAP. GSS_API provides for
the negotiation of authentication methods through use of the SPNEGO
mechanism. As a result, any GSS_API mechanism supported by SPNEGO can be
used with EAP-GSS.
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