Computer security system and method with on demand publishing of

Details Computer security system and method with on demand publishing of Computer security system and method with on demand publishing of

1997-12-08

2000-10-03

Swann, Tod R.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

380 51, 380 59, 705 51, 705 57, 705 76, 713152, 713156, 713175, 713179, 707 10, G06F 1130

Patent

active

061287407

ABSTRACT:
A computer network security system provides generation of a certificate revocation list (CRL) upon each revocation. The entire certificate revocation list may be published on demand, or only the portion that has changed. The computer network security system provides on-demand publishing of data identifying revoked certificates, such as revocation and expiration data, in response to receipt of revocation request data. The computer network security system stores the on-demand published data for analysis by one or more network nodes, such as a client, to determine whether a certificate is valid. The network nodes include certificate revocation list cache memory that may be selectively activated/deactivated, to effect storage
on-storage of the data identifying the revoked certificates.

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Microsoft, "Microsoft Security Advisor Program: Microsoft Certificate Server", retrieved from Internet on Jan. 26, 1999.
American Bankers Association, American National Standard X9.30-199X, Public Key Cryptography using Irreversible Algorithms for the Financial Services Industry: Part 3: Certificate Management for DSA, Sep. 27, 1993.
Microsoft Corporation, "Microsoft Certificate Server", http://premium.microsoft.com/msdn/library/backgrnd/html/msdn.sub.-- certserv.htm, pp. 1-10, Apr. 17, 1997.
Sun Microsystems, "Security--Sun Certificate Authorities", http://www.sun.com.backslash./security/product/ca.html.
Microsoft Corporation, "Web Security", http://dostal.da.ru
tserver/security/exec/feature/WebSecurity.asp, pp. 1-3.
Microsoft, Upgrading to Option Pack 4.0, www.microsoft.com, Mar. 1, 1999.
Microsoft, Windows NT Server 4.0 Features, www.microsoft.com, Dec. 31, 1998 .

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