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Cryptographic solution to a problem of access control in a hierarchy

โœ Scribed by Akl, Selim G.; Taylor, Peter D.

Book ID
126029932
Publisher
Association for Computing Machinery
Year
1983
Tongue
English
Weight
501 KB
Volume
1
Category
Article
ISSN
0734-2071

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A scheme based on cryptography is proposed for access control in a system where hierarchy is represented by a partially ordered set (or poset). Straightforward implementation of the scheme requires users highly placed in the hierarchy to store a large number of cryptographic keys. A timeversus-stora

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Access control is one of the mechanisms for data protection in a computer system. Many literaturee besed on cryptography have been proposed to solve the problem of access control in hierarchic structurea. Recently, Liaw and Lei proposed an optimal heuristic algorithm for multilevel data security. Bu