Digital signature with a threshold subliminal channel

被引：12

作者：

Lee, NY ^{[1
]}

Ho, PH ^{[1
]}

机构：

[1] So Taiwan Univ Technol, Dept Informat Management, Tainan 710, Taiwan

来源：

IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 2003年 / 49卷 / 04期

关键词：

cryptography; digital signature; subliminal channel; threshold system;

D O I：

10.1109/TCE.2003.1261223

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Simmons first proposed the concept of subliminal channel in 1983. Since then, many subliminal channels based on digital signatures are proposed. A (t,n) threshold scheme allows a secret to be shared among n users so that only t or more users can reconstruct the secret. In this paper, we combine both concepts to propose the first threshold subliminal channel which can convey a subliminal message to a group of users. Deriving the subliminal message relies on the cooperation of t or more users in the group. Moreover, the validation of the subliminal message can be verified in the scheme.

引用

页码：1240 / 1242

页数：3

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