This is a continuation of application Ser. No. 08/168,960 filed Dec. 17, 1993, now abandoned.
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4348696 | Beier | Sep 1982 | |
4941175 | Enescu et al. | Jul 1990 | |
5023907 | Johnson et al. | Jun 1991 | |
5048085 | Abraham et al. | Sep 1991 | |
5091939 | Cole et al. | Feb 1992 | |
5148481 | Abraham et al. | Sep 1992 | |
5187352 | Blair et al. | Feb 1993 | |
5226080 | Cole et al. | Jul 1993 | |
5233658 | Bianco et al. | Aug 1993 | |
5367704 | Hasuo et al. | Nov 1994 |
Entry |
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Harn et al "Integration of user authentication and access control" IEEE Procedinas vol. 139, No. 2, Mar. 1992. |
White, Fisch and Pooch "Computer System and Network Security", CRC Pess 1995 pp. 37-51, 75-89 and 155-187. |
Miller et al., "Access Control By Boolean Expression Evaluatin", 1990 IEEE pp. 131-139. |
M. Burrows, M. Abadi and R. Needham, "A Logic of Authentication," ACM Transactions on Computer Systems, vol. 8, No. 1, pp. 18-36 (Feb. 1990). |
Number | Date | Country | |
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Parent | 168960 | Dec 1993 |