A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : EAP Tunneled TLS Authentication Protocol Version 1 (EAP-TTLSv1)
Author(s) : P. Funk, S. Blake-Wilson
Filename : draft-funk-eap-ttls-v1-01.txt
Pages : 22
Date : 2006-3-8
EAP-TTLS is an EAP type that utilizes TLS to establish a secure
connection between a client and server, through which additional
information may be exchanged. The initial TLS handshake may mutually
authenticate client and server; or it may perform a one-way
authentication, in which only the server is authenticated to the
client. The secure connection established by the initial handshake
may then be used to allow the server to authenticate the client
using existing, widely-deployed authentication infrastructures such
as RADIUS. The authentication of the client may itself be EAP, or it
may be another authentication protocol such as PAP, CHAP, MS-CHAP or
MS-CHAP-V2.
Thus, EAP-TTLS allows legacy password-based authentication protocols
to be used against existing authentication databases, while
protecting the security of these legacy protocols against
eavesdropping, man-in-the-middle and other cryptographic attacks.
EAP-TTLS also allows client and server to exchange other information
in addition to authentication-related information.
This document describes EAP-TTLSv1; that is, version 1 of the EAP-
TTLS protocol. It represents a significant enhancement to the
original version 0 of the protocol. EAP-TTLSv1 utilizes an extended
version of TLS, called TLS/IA (TLS/InnerApplication) as its
underlying protocol [TLS/IA].
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