Role-Based Delegation with Negative Authorization | Zendy

Hua Wang | Zendy; Jinli Cao | Zendy; David Gaddis Ross | Zendy

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Role-Based Delegation with Negative Authorization

Author(s) -

Hua Wang,

Jinli Cao,

David Gaddis Ross

Publication year - 2005

Publication title -

lecture notes in computer science

Language(s) - English

Resource type - Book series

SCImago Journal Rank - 0.249

H-Index - 400

eISSN - 1611-3349

pISSN - 0302-9743

ISBN - 3-540-31142-4

DOI - 10.1007/11610113_28

Subject(s) - permission , delegation , revocation , computer science , authorization , access control , role based access control , computer security , control (management) , world wide web , programming language , political science , law , overhead (engineering) , artificial intelligence

[Abstract]: Role-based delegation model (RBDM) based on role-basedaccess control (RBAC) has proven to be a flexible and useful access control model for information sharing on distributed collaborative environment.Authorization is an important functionality for RBDM indistributed environment where a conflicting problem may arise when one user grants permission of a role to a delegated user and another user grants the negative permission to the delegated user.This paper aims to analyse role-based group delegation features that has not studied before, and to provide an approach for the conflicting problem by adopting negative authorization. We present granting and revocation delegating models first, and then discuss user delegation authorizationand the impact of negative authorization on role hierarchies

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