Method for performing group exclusion in hierarchical group stru

Details Method for performing group exclusion in hierarchical group stru Method for performing group exclusion in hierarchical group stru

1990-09-28

1993-06-15

Gregory, Bernarr E.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 4, 380 25, 380 30, 380 49, 34082531, 34082534, H04L 932, H04L 930

Patent

active

052206041

ABSTRACT:
A method for denying a first group access to a system resource wherein a second group is selected such that the first group is a subgroup of the second group. Access is granted only to those members of the second group who do not derive their membership in the second group through their membership in the first group.

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