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Incremental analysis of Role Based A...

State University of New York at Binghamton., Computer Science.

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Incremental analysis of Role Based Access Control policies.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Incremental analysis of Role Based Access Control policies./
Author:	He, Jian.
Description:	74 p.
Notes:	Adviser: Ping Yang.
Contained By:	Masters Abstracts International46-06.
Subject:	Computer Science. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1453862
ISBN:	9780549589570

Incremental analysis of Role Based Access Control policies.
He, Jian.

Incremental analysis of Role Based Access Control policies. - 74 p.

Adviser: Ping Yang.

Thesis (M.S.)--State University of New York at Binghamton, 2008.

Role-Based Access Control (RBAC) is a widely used model for expressing access control policies. In large organizations, the RBAC policies may be collectively managed by many administrators. Administrative RBAC (ARBAC) is a model for expressing the authority of administrators, thereby specifying how an organization's RBAC policy may change. Changes by one administrator may interact in unintended ways with changes by other administrators. Consequently, the effect of the RBAC and ARBAC policies is hard to understand by simple inspection. Policy analysis helps system designers and administrators understand RBAC and ARBAC policies by answering questions (queries) about them.

ISBN: 9780549589570Subjects--Topical Terms:

626642
Computer Science.

Incremental analysis of Role Based Access Control policies.
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020 $a 9780549589570
035 $a (UMI)AAI1453862
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040 $a UMI $c UMI
100 1 $a He, Jian. $3 1019423
245 1 0 $a Incremental analysis of Role Based Access Control policies.
300 $a 74 p.
500 $a Adviser: Ping Yang.
500 $a Source: Masters Abstracts International, Volume: 46-06, page: 3310.
502 $a Thesis (M.S.)--State University of New York at Binghamton, 2008.
520 $a Role-Based Access Control (RBAC) is a widely used model for expressing access control policies. In large organizations, the RBAC policies may be collectively managed by many administrators. Administrative RBAC (ARBAC) is a model for expressing the authority of administrators, thereby specifying how an organization's RBAC policy may change. Changes by one administrator may interact in unintended ways with changes by other administrators. Consequently, the effect of the RBAC and ARBAC policies is hard to understand by simple inspection. Policy analysis helps system designers and administrators understand RBAC and ARBAC policies by answering questions (queries) about them.
520 $a Both RBAC and ARBAC policies tend to evolve over time. Changes to these policies may violate certain safety properties. Incremental computation is useful in situation where small changes to the policy lead to small or no changes in the analysis results. In limiting cases, a complete reanalysis cannot be avoided, but in many cases, the results of the previous analysis may be reused to update the analysis more quickly than a complete re-evaluation. In this thesis, we consider the problem of incremental analysis of RBAC and ARBAC policies, in particular to determine the information flow implied by the RBAC policies and the reachability properties of ARBAC policies. Our experimental data show that our incremental algorithms perform significantly better than the non-incremental algorithms.
590 $a School code: 0792.
650 4 $a Computer Science. $3 626642
690 $a 0984
710 2 $a State University of New York at Binghamton. $b Computer Science. $3 1058053
773 0 $t Masters Abstracts International $g 46-06.
790 $a 0792
790 1 0 $a Gopalan, Kartik $e committee member
790 1 0 $a Yang, Ping, $e advisor
791 $a M.S.
792 $a 2008
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1453862