Method of handling security key change and related...

Details Method of handling security key change and related... Method of handling security key change and related...

2008-12-05

2011-10-25

Jung, David Y (Department: 2431)

Cryptography

Key management

C380S278000, C380S044000

Reexamination Certificate

active

08045715

ABSTRACT:
A method of handling security key change for a user equipment in a wireless communication system includes applying a radio resource control procedure to activate key change, where the radio resource control procedure covers two conditions where the key change is accompanied with an authentication and key agreement run and without an authentication and key agreement run.

REFERENCES:
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Interworking in heterogeneous wireless networks: Comprehensive framework and future trends; Ferrus, R.; Salient, O.; Agusti, R.; Wireless Communications, IEEE; vol. 17 , Issue: 2 Publication Year: 2010 , pp. 22-31.
Security advances and challenges in 4G wireless networks; Seddigh, N.; Nandy, B.; Makkar, R.; Beaumont, J.F.; Privacy Security and Trust (PST), 2010 Eighth Annual International Conference on ; Publication Year: 2010 , pp. 62-71.
Huawei: “Key Update in LTE-Active state”, 3GPP TSG RAN WG3 Meeting #57bis, R3-071942, Oct. 8-11, 2007, XP050162729.
3GPP: “3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Rationale and track of security decisions in Long Term Evolved (LTE) RAN / 3GPP System Architecture Evolution (SAE) (Release 8)”, Oct. 2007, pp. 1-100, 3GPP TR 33.821 V0.5.0, XP050280305.
3GPP: “3rd Generation Partnership Project; Radio Resource Control (RRC) protocol specification (Release 8)”, 3GPP TS 25.331 V8.0.0, Sep. 2007, pp. 112-125, 270-275, 309-318, XP002550238.
3GPP, 58bis R2-072886, Jun. 29, 2007.
3GPP, 60 R2-075183, Nov. 9, 2007.
3GPP, R2-075498, Nov. 5, 2007.

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