An Efficient Solution for Hierarchical Access Control Problem in Cloud Environment

Bing-Zhe He, Chien-Ming Chen, Tsu-Yang Wu and Hung-Min Sun

Mathematical Problems in Engineering, 2014, vol. 2014, 1-8

Abstract:

The time-bound hierarchical key assignment scheme provides a cryptographic solution for the access control problem in distributed systems (e.g., Pay-TV and cloud computing applications). Most time-bound hierarchical key assignment schemes can be divided into two types: adopting tamper-resistant devices and utilizing public values. Despite the fact that adopting tamper-resistant devices can easily resist to collusion attacks, utilizing public values is much cheaper and more suitable for cloud environment. In this paper, we proposed a new time-bound hierarchical key assignment scheme, which can effectively defeat the collusion attack. Besides, the proposed scheme utilizes public values instead of tamper-resistant devices, which will restrict user’s convenience. Compared with the previous works, our scheme requires fewer public values and has better performance.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:569397

DOI: 10.1155/2014/569397

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