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Presence Security

Presence Security. 3GPP2 TSG-X MMD. Presence Architecture. Presence Security. MMD working on Presence Security X.P0027-002-0 v1.0 Based on 3GPP TS 33.141-610 Publication expected in Summer 2005 Ut Interface Interface between UE and AS UE and Presence List Server UE and Presence Server

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Presence Security

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  1. Presence Security 3GPP2 TSG-X MMD

  2. Presence Architecture

  3. Presence Security • MMD working on Presence Security • X.P0027-002-0 v1.0 • Based on 3GPP TS 33.141-610 • Publication expected in Summer 2005 • Ut Interface • Interface between UE and AS • UE and Presence List Server • UE and Presence Server • Data over Ut interface exchanged over HTTP

  4. Ut Interface Security • Desired Security features • Authentication of the subscriber by presence server • Confidentiality protection • Integrity protection • Support for Authentication Proxy • Security Mechanisms • 3GPP specifies using TLS for Ut interface • Keys derived using GBA/GAA • Subscriber certificates or shared secrets • Similar security mechanisms needed for other applications • Conferencing

  5. Next Steps • How should 3GPP2 proceed? • Does TSG-S WG4 have any plans for GBA (or something similar) • If yes, what is the schedule

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