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Security of Wang et al.'s group-oriented (t,n) threshold signature schemes with traceable signers

✍ Scribed by Z.C. Li; L.C.K. Hui; K.P. Chow; C.F. Chong; W.W. Tsang; H.W. Chan

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 48 KB
Volume: 80
Category: Article
ISSN: 0020-0190
DOI: 10.1016/s0020-0190(01)00179-x

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✦ Synopsis

attack on the group-oriented (t, n) threshold signature schemes proposed by Wang et al. Our attack is more fundamental than Tseng-Jan's attack in the sense that it cannot be recognized or blocked at the designated clerk level of the signature schemes.