IPSec processing device, network system, and IPSec...

Details IPSec processing device, network system, and IPSec... IPSec processing device, network system, and IPSec...

2011-03-29

2011-03-29

Orgad, Edan (Department: 2439)

Information security

Policy

C707S796000, C707S800000, C707S802000, C713S153000, C713S154000

Reexamination Certificate

active

07917939

ABSTRACT:
Security policy databases capable of being fast retrieved while securing sequentiality. An IPSec processing device of the present invention performs communications by encrypting IP packets exchanged between a first IP network and a second IP network. The IPSec processing device includes a security policy database that stores security policies. The security policy database includes first, second, and third security policy databases. The first and third security policy databases include a linear list structure, and the second security policy database includes a hash list structure. The IPSec processing device, when performing at least one of transmission and reception of the IP packet, retrieves a security policy in the order of the first, second, and third security policy databases.

REFERENCES:
patent: 6226634 (2001-05-01), Ogihara et al.
patent: 6330562 (2001-12-01), Boden et al.
patent: 6988106 (2006-01-01), Enderwick et al.
patent: 7392241 (2008-06-01), Lin et al.
patent: 2001/0042204 (2001-11-01), Blaker et al.
patent: 2003/0023846 (2003-01-01), Krishna et al.
patent: 2005/0027723 (2005-02-01), Jones et al.
RFC:2409, “The Internet Key Exchange (IKE)”, Harkins, et al., Nov. 1998.
RFC: 2401, “Security Architecture for the Internet Protocol”, Kent, et al., Nov. 1998.

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