Istituto di Scienza e Tecnologie dell'Informazione     
Corsini P., Frosini G., Lopriore L. Distributing and revoking access authorizations on abstract objects. In this paper a capability addressing environment is presented, based on the concept of extended capability. First of all it is shown that such an environment is well suited for implementing objects of abstract type. Then the problem of distributing and revoking access authorizations solution is on abstract presented. The objects is revocation selective, transitive, and deferred. considered and an efficient mechanism results in being. Document n. IEI-S81-04, 1981.
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