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RFC 5448
Title: Improved Extensible Authentication Protocol Method
for 3rd Generation Authentication and Key
Agreement (EAP-AKA')
Author: J. Arkko, V. Lehtovirta,
P. Eronen
Status: Informational
Date: May 2009
Mailbox: jari.arkko@piuha.net,
vesa.lehtovirta@ericsson.com,
pasi.eronen@nokia.com
Pages: 29
Characters: 60641
Updates: RFC4187
I-D Tag: draft-arkko-eap-aka-kdf-10.txt
URL: http://www.rfc-editor.org/rfc/rfc5448.txt
This specification defines a new EAP method, EAP-AKA', which is a
small revision of the EAP-AKA (Extensible Authentication Protocol
Method for 3rd Generation Authentication and Key Agreement) method.
The change is a new key derivation function that binds the keys
derived within the method to the name of the access network. The new
key derivation mechanism has been defined in the 3rd Generation
Partnership Project (3GPP). This specification allows its use in EAP
in an interoperable manner. In addition, EAP-AKA' employs SHA-256
instead of SHA-1.
This specification also updates RFC 4187, EAP-AKA, to prevent bidding
down attacks from EAP-AKA'. This memo provides information for the
Internet community.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
this memo is unlimited.
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