Method and communication system for controlling security...

Details Method and communication system for controlling security... Method and communication system for controlling security...

2003-01-16

2008-10-07

Moise, Emmanuel L (Department: 2137)

Information security

Access control or authentication

Authorization

C726S002000, C726S003000, C726S014000, C713S150000, C713S155000, C713S168000, C709S228000

Reexamination Certificate

active

07434258

ABSTRACT:
A method for selecting a time length of a security association (SA) between user equipment (UE) which transmits and receives communications and a control entity in a communication system in accordance with the invention, includes transmitting a registration message (SM1) from the user equipment to the control entity (P-CSCF) requesting registration of the user equipment with the control entity; after transmission of the registration message, setting the time length of the security association between the user equipment and the control entity to be equal to a registration time length set between the user equipment and the control entity during which registration of the user equipment with the control entity is valid; and transmitting the set time length of the security association to the user equipment as part of an acknowledgment message (SM10or SM12) to the registration message to cause the security association to have a time equal to the registration timer length.

REFERENCES:
patent: 5642398 (1997-06-01), Tiedemann, Jr. et al.
S. Glass et al., Network Working Group, Request for Comments 2977: “Mobile IP Authentication, Authorization, and Accounting Requirements,” Oct. 2000.
R. Calhoun, IETF Internet Draft, “DIAMETER Mobile IP Extensions,” Sep. 2000.
Basilier et al., “AAA Requirements for IP Telephony / Multimedia,” Internet Draft, IETF, Jul. 2000.
Delphine Plasse: SIP for Call Control in the 3G IP-Based UMTS Core Network, Internetworking 2000, LNCS 1938, pp. 32-38, 2000, Springer-Verlag Pub.
Voas, J. M., “Limited Software Warranties”, Reliable Software Technologies, Apr. 1999, pp. 1-6.
Anonymous, “ARI's PartSmart Provides Electronic Price File Updates Over the Internet; Secure Website to Maintain Manufacturer Price Updates for Electronic Delivery to Dealers”, Business Wire, Feb. 2002, pp. 1-2.
Anonymous, “Metris Adds Identity Theft Protection Plan to Fraud Alert Services”, Business Wire, May 2002, pp. 1-3.
33GPP TS 33.203 V5.3.0 (Sep. 2002) Technical Specification, 3rdGeneration Partnership Project; Technical Specification Group Services and System Aspects; 3G Security; Access security for IP-based services (Release 5), pp. 1-37.
“Security Mechanism Agreement for the Session Initiation Protocol (SIP)” by J. Arrko, et al, Oct. 28, 2002, appearing in Network Working Group Internet-Draft, Expires Apr. 28, 2003, 22 pgs.
“HTTP Authentication: Basic and Digest Access Authentication”, by J. Franks et al, Jun. 1999, appearing in Network Working Group (RFC 2617), 31 pgs.

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