2005•Microcomputer applicationsRequires access

Attribute Certificates Based Privilege Management Infrastructure

Chi Zhang

Abstract

In this paper we introduce Privilege Management Infrastructure (PMI) in detail. After the analysis of the key factors of access control in network, we present the definition of PMI , the requirements of PMI for the access control, and several models of PMI. The two main points of this paper, one is detailed description of every field of Attribute Certificate and its function in access control. And the other is to present the simple model of PMI, PMI access control model and PMI delegation model, which suit different environments of access control respectively. At the end of the paper, several important techniques in the management of attribute certificates are presented.

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Available abstract

Key concepts: Computer science, Access control, Privilege (computing), Delegation, Authorization certificate, Computer security, Key (lock), Certificate