Elliptic-Curve Undeniable Signatures using Smart Cards

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题名:	Elliptic-Curve Undeniable Signatures using Smart Cards
作者:	Cheng-Lung Lee(李正隆);Chu-Hsing Lin (林祝興)
贡献者:	Department of Computer Science and Information Engineering,Tunghai University
关键词:	undeniable signature schemes;elliptic curve cryptoscheme;designated confirmer signature schemes;smart card
日期:	2002-05-16
上传时间:	2009-12-08 07:38:30 (UTC+0)
出版者:	亞洲大學
摘要:	Unlike ordinary digital signature systems, the verifier needs the help of the singer or the designated confirmer to verify undeniable signatures or confirmer signatures, respectively. In the past few years, several researches show the possible applications of undeniable signature in the e-commerce, e.g. [2][10][18]. However, there is an important problem in undeniable signature scheme. The signer must have the ability to decide who can corporate with him to verify the signature. In this paper, we propose a protocol that shows how to use smart card as an authentication tool in the undeniable signature scheme. The proposed protocol is based on a designated confirmer signature scheme proposed by M. Michels and M. Stadler[15]. Besides, in the above protocol, the cryptographic computation is based on elliptic curve cryptosystem for efficiency.
關聯:	第十二屆全國資訊安全會議 437-444
显示于类别:	[行動商務與多媒體應用學系] 會議論文

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