Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2008-01-08
2008-01-08
Vu, Kim (Department: 2135)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S156000, C713S176000
Reexamination Certificate
active
10314477
ABSTRACT:
A method and system is presented for configuring a group of OCSP (Online Certificate Status Protocol) responders so that they are highly available. Each of the grouped OCSP responders share a common public key. When responding to an OCSP request, an OCSP responder generates an OCSP response that is signed with a group digital signature; the certificate for the common or group public key can be attached to the OCSP response. An OCSP client uses the group public key to verify the group digital signature on an OCSP response from any of the OCSP responders. For an OCSP client, the availability of this group of responders is greater than the availability of any one member of the group.
REFERENCES:
patent: 5610982 (1997-03-01), Micali
patent: 5867578 (1999-02-01), Brickell et al.
patent: 6044462 (2000-03-01), Zubeldia et al.
patent: 6209091 (2001-03-01), Sudia et al.
patent: 6748530 (2004-06-01), Aoki
patent: 6775782 (2004-08-01), Buros et al.
patent: 6854056 (2005-02-01), Benantar et al.
patent: 6970862 (2005-11-01), Kwan
patent: 6978017 (2005-12-01), Wiener et al.
patent: 7028180 (2006-04-01), Aull et al.
patent: 7047404 (2006-05-01), Doonan et al.
patent: 7120793 (2006-10-01), Hope et al.
patent: 7124294 (2006-10-01), Kawamura et al.
patent: 7213262 (2007-05-01), Elley et al.
patent: 2001/0032310 (2001-10-01), Corella
patent: 2002/0120706 (2002-08-01), Murphy
patent: 2003/0037234 (2003-02-01), Fu et al.
patent: 2003/0120931 (2003-06-01), Hopkins et al.
Mactaggart, “Introduction to Cryptography, Part 3: Asymmetric Cryptography”, IBM DeveloperWorks, http://www-106.ibm.com/developerworks/, Mar. 2001.
Myers et al., “X.509 Internet Public Key Infrastructure Online Certificate Status Protocol—OCSP”, Internet Engineering Task Force (IETF), RFC 2560, http://ietf.org, Jun. 1999.
Camenisch et al., “Efficient Group Signature Schemes for Large Groups”,Advances in Cryptology—CRYPTO '97, 17th Annual Intl. Cryptology Conf., v. 1294 of Lecture Notes in Computer Science (LNCS 1294), Springer-Verlag, pp. 410-424, 1997.
Camenisch et al., “Verifiable Encryption, Group Encryption, and their Applications to Separable Group Signatures and Signature Sharing Schemes”,Advances in Cryptology—ASIACRYPT 2000, Proceedings from Cryptology and Information Security, LNCS 1976, Springer-Verlag, p. 331 ff., Dec. 2000.
Ramzan, “Group Blind Digital Signatures: Theory and Application”, Master Thesis, MIT, May 1999.
International Business Machines - Corporation
LaBaw Jeffrey S.
Patel Nirav
Vu Kim
LandOfFree
Method and system for configuring highly available online... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and system for configuring highly available online..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and system for configuring highly available online... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3924812