Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2005-01-24
2011-12-06
Zand, Kambiz (Department: 2434)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S168000
Reexamination Certificate
active
08074066
ABSTRACT:
Electronic messages are sent from a sending system to an identified recipient and are encoded using information contained in a certificate. A key store is accessed by a messaging application to determine if a certificate associated with the recipient is present. If no certificate is present in the key store the messaging application accesses one or more certificate services to obtain a certificate. Where validation of the retrieved certificate is required, the messaging application invokes a certificate validation process. One or more further certificates are obtained by the messaging application where the retrieved certificate is invalid.
REFERENCES:
patent: 5606617 (1997-02-01), Brands
patent: 6742127 (2004-05-01), Fox et al.
patent: 6760752 (2004-07-01), Liu et al.
patent: 6990578 (2006-01-01), O'Brien et al.
patent: 7017041 (2006-03-01), Sandhu et al.
patent: 7290133 (2007-10-01), Montgomery
patent: 7743248 (2010-06-01), Bisbee et al.
patent: 2001/0034834 (2001-10-01), Matsuyama et al.
patent: 2002/0059144 (2002-05-01), Meffert et al.
patent: 2003/0037261 (2003-02-01), Meffert et al.
patent: 2004/0049675 (2004-03-01), Micali et al.
patent: 2004/0133774 (2004-07-01), Callas et al.
patent: 2005/0250473 (2005-11-01), Brown et al.
patent: 2007/0050624 (2007-03-01), Lord et al.
patent: 0 942 568 (1999-09-01), None
patent: 1592194 (2005-11-01), None
patent: 2002163395 (2002-06-01), None
patent: 2003107994 (2003-04-01), None
patent: 2003198632 (2003-07-01), None
patent: 2003258786 (2003-09-01), None
patent: 200415252 (2004-01-01), None
patent: 02101605 (2002-12-01), None
patent: 02102009 (2002-12-01), None
patent: 03/023686 (2003-03-01), None
patent: WO 2004/063870 (2004-07-01), None
Maanyoung Lee et al., “Internet Security Technology”, published by Sangneung, pp. 195-204 (Aug. 25, 2002). [English translation of Fig. 3-38 included.].
Jong-Phil Yang et al., “Practical Modification of an Efficient Public-Key Framework”, The IEEE International Conference (EEE'04), pp. 554-557 (Mar. 28, 2004).
Menezes, Oorschot, Vanstone: “Handbook of Applied Cryptography”, Handbook of Applied Cryptography, CRC Press Series on Discrete Mathematics and Its Applications, 1997, pp. 555-560, 37-39, 546-550, 572-577, XP002423045.
Brown Michael S.
Kirkup Michael G.
Little Herb
Dimock Stratton LLP
Harriman Dant Shaifer
Research In Motion Limited
Wilson Jenna L.
Zand Kambiz
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