Distributed Privilege Enforcement in PACS

被引：0

作者：

Sturm, Christoph ^{[1
]}

Hunt, Ela ^{[2
]}

Scholl, Marc H. ^{[3
]}

机构：

[1] Univ Zurich, Dept Informat, CH-8006 Zurich, Switzerland

[2] Univ Strathclyde, Comp & Informat Sci, Glasgow G1 1XQ, Lanark, Scotland

[3] Univ Konstanz, Dept Comp & Informat Sci, Constance, Germany

来源：

DATA AND APPLICATIONS SECURITY XXIII, PROCEEDINGS | 2009年 / 5645卷

关键词：

ACCESS-CONTROL;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

We present a new access control mechanism for P2P networks with distributed enforcement, called P2P Access Control System (PACS). PACS enforces powerful access control models like RBAC with administrative delegation inside a P2P network in a pure P2P manner, which is not possible in any of the currently used P2P access control mechanisms. PACS uses client-side enforcement to support the replication of confidential data. To avoid a single point of failure at the time of privilege enforcement, we use threshold cryptography to distribute the enforcement among the participants. Our analysis of the expected number of messages and the computational effort needed in PACS shows that its increased flexibility comes with an acceptable additional overhead.

引用

页码：142 / +

页数：3

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