National Changhua University of Education Institutional Repository : Item 987654321/12187

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NCUEIR > College of Science > math > Proceedings > Item 987654321/12187

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/12187

Title:	New Digital Signature with Subliminal Channels Based on the Discrete Logarithm Problem
Authors:	Jan, Jinn-Ke;Tseng, Yuh-Min
Contributors:	數學系
Keywords:	Cryptography;Discrete logarithm;Subliminal channel;Digital signature
Date:	1999
Issue Date:	2012-07-03T03:46:22Z
Publisher:	IEEE
Abstract:	A digital signature with a subliminal channel, that allows a signer to embed subliminal messages in the digital signature. Any receivers may verify the signature, but can not discover the subliminal messages, only authorized receivers can extract the subliminal messages. In this paper we propose two digital signature schemes with subliminal channels based on discrete logarithms. Both schemes allow a signer to generate a digital signature, which may contain two or more subliminal messages for various subliminal receivers. Compared to the previously proposed schemes, both our schemes greatly reduce the size of secret keys that must be kept by the signer and the subliminal receiver; as well as the length of the digital signature. The security of the proposed schemes is based on the difficulty of computing the discrete logarithm problem
Relation:	Proceedings of the 1999 ICPP Workshops, IEEE Computer Society, : 198-203
Appears in Collections:	[math] Proceedings

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