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Rogue-key attacks on the multi-designated verifiers signature scheme

Title
Rogue-key attacks on the multi-designated verifiers signature scheme
Authors
Shim K.-A.
Ewha Authors
심경아
Issue Date
2008
Journal Title
Information Processing Letters
ISSN
0020-0190JCR Link
Citation
vol. 107, no. 2, pp. 83 - 86
Indexed
SCIE; SCOPUS WOS scopus
Abstract
In 1996, Jakobsson, Sako, and Impagliazzo and, on the other hand, Chaum introduced the notion of designated verifier signatures to solve some of the intrinsic problems of undeniable signatures. The generalization of this concept was formally investigated by Laguillaumie and Vergnaud as multi-designated verifiers signatures. Recently, Laguillaumie and Vergnaud proposed the first multi-designated verifiers signature scheme which protects the anonymity of signers without encryption. In this paper, we show that their scheme is insecure against rogue-key attacks. © 2008 Elsevier B.V. All rights reserved.
DOI
10.1016/j.ipl.2007.11.021
Appears in Collections:
자연과학대학 > 수학전공 > Journal papers
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