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An Improvement of the Design of Integrating Subliminal Channel with Access Control

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題名: An Improvement of the Design of Integrating Subliminal Channel with Access Control

作者: Chang, C. C.;Wu, C. C.

日期: 2006-12

上傳時間: 2009-12-17T06:58:12Z 出版者: Asia University

摘要: Recently, Lee and Yang proposed a subliminal scheme which employs an access control in a hierarchy. In their scheme, chief users use a one-way hash function to compute their subordinates'secret keys with low

computation efficiency. And we also find some drawbacks, which are potential loopholes of the security. In this paper, we will show that their scheme suffers inside malicious user attack. And, accordingly, we will present an improved scheme to enhance the security against this flaw.

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