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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51008

Title: Improvement of Miyazaki-Takaragi Threshold Digital Signature Scheme
Authors: Tzong-Sun Wu
Chien-Lung Hsu
Han-Yu Lin
Po-Sheng Huang
Contributors: 國立臺灣海洋大學:資訊工程學系
Keywords: Threshold digital signature
Elliptic curve
Forgery attack
Safety/security in digital systems
Date: 2003-11
Issue Date: 2018-11-07T08:12:26Z
Publisher: Information Processing Letters
Abstract: Abstract: To enhance the applications of smart cards, Miyazaki and Takaragi recently proposed a (t,n) threshold digital signature scheme based on the security of elliptic curve discrete logarithm problem (ECDLP). The advantages of their scheme are low communication bandwidth and computational complexity, which provides critical benefits for the use of smart cards in the distributed environments. Unfortunately, this paper will show that their scheme cannot withstand the forgery attack, which violates their security claim. We further amend the scheme against the attack with a simple improvement.
Relation: 88(4) pp.183-186
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/51008
Appears in Collections:[資訊工程學系] 期刊論文

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