Security mechanism for a computer system

Details Security mechanism for a computer system Security mechanism for a computer system

1992-09-30

1994-02-01

Buczinski, Stephen C.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 49, 364DIG1, H04K 100, H04L 900, H04L 902

Patent

active

052838307

ABSTRACT:
A computer system includes a plurality of programs and a plurality of accessible objects. Each program has an associated program identifier, and at least some of the objects have respective access control lists (ACL). Each ACL entry may comprise a program identifier key and an access permission indication. When a user attempts to access an object by way of a program, an entry in the ACL of the object is selected by matching the entry keys with at least the program identifier of the program, and access is granted or denied on the basis of the access permission indication in the selected entry.

REFERENCES:
patent: 4455602 (1984-06-01), Baxter et al.
patent: 4498132 (1985-02-01), Ahlstrom et al.
patent: 5136712 (1992-08-01), Perazzoli et al.
Kelter, "Discretionary Access Controls in a High-Performance Object Management System", IEEE Symposium on Security and Privacy, May 1991, pp. 288-299.
Graham, et al, "Protection-Principles and Practice", Proceedings of Spring Joint Computer Conference, vol. 40, 1972, pp. 417-429.

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