Delta CRL enhancement

Details Delta CRL enhancement Delta CRL enhancement

2006-10-17

2006-10-17

Barrón, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Central trusted authority provides computer authentication

C713S156000

Reexamination Certificate

active

07124295

ABSTRACT:
A method and apparatus for producing an enhanced CRL. In response to a request containing an identifier of the most recently owned CRL stored by the requested, a certificate authority generates a CRL spanning from the most recently owned CRL to the current CRL. This CRL is formatted as a delta CRL and transmitted as a reply to the requester. This has the advantage of not requiring transmission of the full CRL even though more than one generation of CRL has occurred since the most recently owned CRL by the requester.

REFERENCES:
patent: 5687235 (1997-11-01), Perlman et al.
patent: 6128740 (2000-10-01), Curry et al.
patent: 6442688 (2002-08-01), Moses et al.
Webster's Third New International Dictionary, G & C Merriam Company, 1967, pp. 2072-2073.
Microsoft Computer Dictionary, Microsoft Press, 2002, p. 473.
ITU-T Recommendation X.509—ISO / IEC 9594-8, 1997.

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