Subscriber Identity Module ( UMTS Subscriber Identity

Status of this Memo This document is an Internet-Draft and is subject to all provisions of section 3 of RFC 3667. By submitting this Internet-Draft, each author represents that any applicable patent or other IPR claims of which he or she is aware have been or will be disclosed, and any of which he or she become aware will be disclosed, in accordance with RFC 3668. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet-Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." Abstract This document specifies an Extensible Authentication Protocol (EAP) mechanism for authentication and session key distribution using the Authentication and Key Agreement (AKA) mechanism used in the 3rd generation mobile networks Universal Mobile Telecommunications System (UMTS) and cdma2000. AKA is based on symmetric keys, and runs Arkko & Haverinen Expires April 25, 2005 [Page 1] Internet-Draft EAP-AKA Authentication October 2004 typically in a Subscriber Identity Module (UMTS Subscriber Identity Module USIM, or (Removable) User Identity Module (R)UIM), a smart card like device. EAP-AKA includes optional identity privacy support, optional result indications, and an optional fast re-authentication procedure.