Titlebook: Research Directions in Data and Applications Security; IFIP TC11 / WG11.3 S Ehud Gudes,Sujeet Shenoi Book 2003 IFIP International Federatio

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Using X.509 Attribute Certificates for Role-Based EAMtration are defined and a security architecture is discussed. We also demonstrate the feasibility of our approach through a proof-of-concept implementation. Several issues from our experiment are briefly discussed as well.

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Towards Secure XML Federationsecture, we address security issues of XML federations, especially the authentication and authorization of federation users. We point out several problems in applying existing access control schemes and give our solutions.

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Privilege Administration for the Role Graph Modelph model, it is assumed that when privilege . is present in a role, all privileges that might be implied by . are also present in the role. This paper gives revised algorithms to ensure that this is done, using a model for implication of permissions originally developed for object-oriented databases

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Role Delegation for a Resource-Based Security Modelimensions. One dimension is delegation, where an authorized individual may delegate all or part of his/her authority to another individual, increasing security risk. This paper explores the inclusion of role delegation into a unified security model/enforcement framework that controls access to softw

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Using X.509 Attribute Certificates for Role-Based EAMntrol (RBAC) and X.509 attribute certificates for scalable and interoperable authorization. Compared with previous works in this area, we show that our approach can overcome the problems of previous solutions and broaden RBAC’s applicability into large-scale networks. The components for role adminis

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Implementing Workflow Systems processes and the responsibilities of individuals within these processes with relative ease. It is further possible to implement complex constraints including security and access control with workflow systems. Separation-of-duty is a security constraint that recently started to find its way into th

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Multiphase Damage Confinement System for Databasesaired. Traditional database damage confinement is ., that is, a damaged data item is confined only after it is identified as corrupted, and one- phase damage confinement has a serious problem, that is, during damage assessment serious damage spreading can be caused. In this paper, we present the des