Repudiation of Cheating and Non-repudiation of Zhang's Proxy Signature Schemes

Ghodosi, Hossein, and Pieprzyk, Josef (1999) Repudiation of Cheating and Non-repudiation of Zhang's Proxy Signature Schemes. In: Lecture Notes in Computer Science (1587), pp. 129-134. From: 4th Australasian Conference on Information Security and Privacy, ACISP’99, 7-9 April 1999, Wollongong, Australia.

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Abstract

The paper discusses the correctness of Lee, Hwang and Wang's comments on on Zhang's proxy signature schemes. In particular, it is shown that the cheating attack proposed by Lee, Hwang and Wang can be detected by the owner of the signature scheme. It is argued that considering the context in which proxy signatures are used, the attack is not a security problem. The work is concluded by a discussion about the non-repudiation controversy incorrectly observed by Lee, Hwang and Wang.

Item ID: 17510
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: Cryptography, Digital Signatures, Proxy Signatures, ElGamal signatures.
ISBN: 3-540-65756-8
ISSN: 0302-9743
Date Deposited: 22 Aug 2012 01:24
FoR Codes: 08 INFORMATION AND COMPUTING SCIENCES > 0804 Data Format > 080401 Coding and Information Theory @ 100%
SEO Codes: 89 INFORMATION AND COMMUNICATION SERVICES > 8903 Information Services > 890399 Information Services not elsewhere classified @ 100%
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