An Efficient Solution for Access Control Management on Outsourced Data Preserving Access Control Policy Privacy
Publish place: 07th Iranian Security Community Conference
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ISCC07_012
تاریخ نمایه سازی: 11 آذر 1389
Abstract:
Data outsourcing as a new paradigm is becoming a more useful model in many organizations because of significant cost saving and service benefits that it provides. In this paradigm, access control management is challenging due to new conditions such as untrustworthiness server for the delegated data contents. In this paper, we introduce a novel solution to enforce access control based on selective encryption. Additional encryption on data by the server is proposed with using Chinese Remainder Theorem for sharing resource's key between authorized users. The number of users' secret keys used to enforce access control policy is maintained limited. The result is a secure solution that protects information on the security policies from being revealed to the server or users and it also removes the risk of collusion between users themselves or between users and the server.
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Authors
Parastou Tourani
۲Information Security Center, Department of Information and Communication Technology Malek-Ashtar University of Technology, Tehran, Iran
Ali Hadavi
Information Security Center, Department of Information and Communication Technology Malek-Ashtar University of Technology, Tehran, Iran
Rasool Jalili
Network Security Center, Department of Computer Engineering
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