A model to support fine-grained delegation of authorization

被引：0

作者：

Lui, RWC ^{[1
]}

Hui, LCK ^{[1
]}

Yiu, SM ^{[1
]}

Woo, Y ^{[1
]}

机构：

[1] Univ Hong Kong, Dept Comp Sci, Hong Kong, Hong Kong, Peoples R China

来源：

SAM '05: PROCEEDINGS OF THE 2005 INTERNATIONAL CONFERENCE ON SECURITY AND MANAGEMENT | 2005年

关键词：

delegation certificate; access control; security management;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

Delegation certificates (e.g. SPKI [7]) support the decentralized management of access rights in organizations without the need for a centralized server to mediate every delegation operation. However, it does not allow the access rights to be delegated in a flexible way. For instance, a user cannot be granted the authorization to perform delegation of a permission without granting himself/herself the authorization to exercise the associated permission at the same time. In this paper, we propose an improved delegation model, where the various users in a delegation chain may perform supervision on the delegate to exercise the delegated permission. We also describe the way to support the model using SPKI as an example.

引用

页码：208 / 212

页数：5

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