Method of making secure collaboration between objects of an obje

Details Method of making secure collaboration between objects of an obje Method of making secure collaboration between objects of an obje

1996-12-26

1998-12-08

Hua, Ly

Cryptography

Key management

Having particular key generator

380 4, H04L 900

Patent

active

058482326

ABSTRACT:
A method consists in assigning an authorization level (AUTH) to a client object and a "dynamic" sensitivity level (DSL) to a method (or data processing procedure) of a server object (ProcObjSv). The dynamic sensitivity level is computed based on static sensitivity levels (SSLs) at the moment when the server object is instantiated. The authorization level of the client object is passed to the method of the server object when the method of the server object is invoked by the client object, and this authorization level (AUTH) is compared with the dynamic sensitivity level (DSL) of the method in order to control access. The method makes it possible to implement a multi-level security model.

REFERENCES:
patent: 5241594 (1993-08-01), Kung
patent: 5335346 (1994-08-01), Fabbio
patent: 5550968 (1996-08-01), Miller et al.
patent: 5629981 (1997-05-01), Nerlikar
patent: 5644727 (1997-07-01), Atkins
patent: 5696966 (1997-12-01), Velarde

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