Re-authentication procedure for over-the-air activation

Details Re-authentication procedure for over-the-air activation Re-authentication procedure for over-the-air activation

1996-07-29

1999-08-24

Gregory, Bernarr E.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 9, 380 23, 380 49, 375200, 455403, 455410, 455418, 455419, 455422, H04L 932, H04L 900, H04Q 722

Patent

active

059434252

ABSTRACT:
A method and system for providing OTA during the service origination call, wherein the mobile station performs an authentication procedure in response to a re-authentication message received, using shared secret data known to the mobile station and the system infrastructure and data in the re-authentication message to compute an authentication response. The response is transmitted to the base station, which compares it with an internally generated authentication response, and, if they match, privacy activation procedures, such as message encryption or voice masks, are initiated.

REFERENCES:
patent: 5774804 (1998-06-01), Williams
patent: 5793866 (1998-08-01), Brown et al.
patent: 5794142 (1998-08-01), Vanttila et al.
TIA Standard IS-683, Over-The-Air Service Provisioning of Mobile Stations in Wideband Spread Spectrum Systems, May 9, 1996.
S. Mizikovsky, Re-Authentication Procedure for OTA, contributed to TIA task group 45.5.2.3, Mar. 16, 1995.
"Over-the-Air Activation of Mobile Stations in Wideband Spread Spectrum Cellular Systems," Intermediate Working Draft of TIA standard IS-683, May 11, 1995.
TIA/EIA/IS-95-A, Mobile Station-Base Station Compatibility St andard for Dual-Mode Wideband Spread Spectrum Cellular System, pp. 1 through Appendix A ii.
TR45.0.A, Interface Specification for Common Crypotographic Algorithms, Telecommunications Industry Association, Jan. 1996.

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