An Attribute-Based-Delegation-Model and Its Extension

Chunxiao Ye, Zhongfu Wu, Yunqing Fu

Abstract

In existing delegation models, delegation security entirely depends on delegators and security administrators, for delegation constraint in these models is only a prerequisite condition. This paper proposes an Attribute- Based-Delegation-Model (ABDM) with an extended delegation constraint consists of both delegation attribute expression (DAE) and delegation prerequisite condition (CR). In ABDM, A delegatee must satisfy delegation constraint (especially DAE) when assigned to a delegation role. With delegation constraint, a delegator can restrict the delegatee candidates more strictly. ABDM relieves delegators and security administrators of security management work in delegation. In ABDM, a delegator is not allowed to temporarily delegate his permissions to a person who does not satisfy the delegation constraint. To guarantee its flexibility and security, an extension of ABDM named ABDMX is proposed. In ABDMX, a delegator can delegate some high level permissions to low level delegatee candidates temporarily, but not permanently.

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Paper Citation


in Harvard Style

Ye C., Wu Z. and Fu Y. (2005). An Attribute-Based-Delegation-Model and Its Extension . In Proceedings of the 3rd International Workshop on Security in Information Systems - Volume 1: WOSIS, (ICEIS 2005) ISBN 972-8865-25-2, pages 146-159. DOI: 10.5220/0002560401460159


in EndNote Style

TY - CONF
JO - Proceedings of the 3rd International Workshop on Security in Information Systems - Volume 1: WOSIS, (ICEIS 2005)
TI - An Attribute-Based-Delegation-Model and Its Extension
SN - 972-8865-25-2
AU - Ye C.
AU - Wu Z.
AU - Fu Y.
PY - 2005
SP - 146
EP - 159
DO - 10.5220/0002560401460159


in Bibtex Style

@conference{wosis05,
author={Chunxiao Ye and Zhongfu Wu and Yunqing Fu},
title={An Attribute-Based-Delegation-Model and Its Extension},
booktitle={Proceedings of the 3rd International Workshop on Security in Information Systems - Volume 1: WOSIS, (ICEIS 2005)},
year={2005},
pages={146-159},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002560401460159},
isbn={972-8865-25-2},
}