Method for establishing a security association between two...

Details Method for establishing a security association between two... Method for establishing a security association between two...

2001-07-23

2009-02-24

Moise, Emmanuel L (Department: 2437)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Reexamination Certificate

active

07496748

ABSTRACT:
A method for establishing a secure communication channel for information flow between two or more computers communicating via an interconnected computer network, and a system for implementing the method, in response to receiving a security association data structure from one of the computers. The received security association data structure is stored in a memory region having a specific memory address value, and the specific memory address value is assigned as the security parameter index value associated with the received inbound security association data structure. Additionally, a method of processing information received over a previously established secure communication channel, and a system for implementing the method, in response to receiving a data packet that includes an encrypted data portion, and a header portion that includes a security parameter index value. A memory region is located using the security parameter index value as an address pointer. The encrypted data portion of the received data packet is then processed based on a security association data structure stored in the located memory region.

REFERENCES:
patent: 5983350 (1999-11-01), Minear et al.
patent: 6055236 (2000-04-01), Nessett et al.
patent: 6141705 (2000-10-01), Anand et al.
patent: 6845449 (2005-01-01), Carman et al.
patent: 2002/0184487 (2002-12-01), Badamo et al.
“RFC791”, Sep. 1981, Information Sciences Institute University of Southern California, pp. 7-9, Obtained from http://rfc.net/rfc791.html.
RFC 2401, Security Architecture for the Internet Protocol, S. Kent, BBN Corp., R. Atkinson, @ Home Network, Nov. 1998.

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