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An anonymous threshold subliminal channel scheme based on elliptic curves cryptosystem

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4 Author(s)
Xuanwu Zhou ; Key Lab. of Network & Inf. Security of the APF, Eng. Coll. of the APF, Xi'an ; Xiaoyuan Yang ; Ping Wei ; Yupu Hu

Analyses were made on the security threats of present subliminal channel schemes, and an anonymous subliminal channel scheme based on (t, n) threshold cryptosystem was presented. The threshold secret sharing of the scheme enables the subliminal message to be recoverable only by no less than t members of the n receivers. The identity blindness algorithm makes the subliminal message sender indistinguishable with other signers for secrecy protection, and the anonymity can also be revoked conveniently if necessary. The scheme avoids the misuse of subliminal message producing and recovering, prevents coalition attack and generalized signature forgery. Further detailed analyses also justify its brevity, security, high efficiency, and thus considerable improvement on system overheads regarding software and hardware application

Published in:

2006 7th International Conference on Computer-Aided Industrial Design and Conceptual Design

Date of Conference:

17-19 Nov. 2006