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EAP-SIM and EAP-AKA Overview: Enhancements and Status Updates

This document provides an overview of EAP-SIM and EAP-AKA methods based on GSM credentials, including support for SIM and USIM (AKA) credentials. It outlines the use of standard SIM and USIM cards, key generation, optional fast reconnect, and identity privacy features. The current status of EAP-SIM and EAP-AKA drafts is discussed, highlighting clarifications on identity handling and alignment of key derivation terminology. The document emphasizes the requirements set by 3GPP and seeks community feedback for future iterations, aiming for informational RFCs.

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EAP-SIM and EAP-AKA Overview: Enhancements and Status Updates

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  1. EAP-SIM and EAP-AKA56th IETF Henry Haverinen (henry.haverinen@nokia.com) Jari Arkko (jari.arkko@ericsson.com) Joe Salowey (jsalowey@cisco.com)

  2. Overview • EAP methods based on GSM credentials • Support for SIM and USIM (AKA) credentials • Uses standard SIM and USIM cards. • Generates 128 bit keys, has optional fast reconnect and identity privacy support

  3. EAP-SIM Status • draft-haverinen-pppext-eap-sim-10.txt • Clarifications on identity handling • Aligned key derivation terminology and distribution with EAP-TLS • Security Considerations Updated • No Known issues remain

  4. EAP-AKA Status • draft-arkko-pppext-eap-aka-09.txt • Clarifications on identity handling • Aligned key derivation terminology • No Known issues remain

  5. Moving Forward • Required by 3GPP for R6 ~ June 2003 • Some existing implementations and deployment • Enough feedback already or more needed? • The goal is informational RFCs

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