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An Optimal Algorithm for Assigning Cryptographic Keys to Control Access in a Hierarchy

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4 Author(s)
S. J. Mackinnon ; Thousand Island Secondary School, Brockville, Ont., Canada, and the Department of Mathematics and Statistics, Queen's University ; P. D. Taylor ; H. Meijer ; S. G. Akl

A cryptographic scheme for controlling access to information within a group of users organized in a hierarchy was proposed in [1]. The scheme enables a user at some level to compute from his own cryptographic key the keys of the users below him in the organization.

Published in:

IEEE Transactions on Computers  (Volume:C-34 ,  Issue: 9 )