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Paper 2003/153

Attack on an Identification Scheme Based on Gap Diffie-Hellman Problem

Zhen-Feng ZHANG and Jing XU and Deng-Guo FENG

Abstract

In [KK], a new identification scheme based on the Gap Diffie-Hellman problem was proposed at SCIS 2002, and it is shown that the scheme is secure against active attacks under the Gap Diffie-Hellman Intractability Assumption. Paradoxically,this identification scheme is totally breakable under passive attacks. In this paper, we show that any adversary holding only public parameters of the scheme can convince a verifier with probability 1.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Published elsewhere. Unknown where it was published
Keywords
identification schemeGap Diffie-Hellmanweil-pairing
Contact author(s)
zfzhang @ is iscas ac cn
History
2003-08-02: received
Short URL
https://ia.cr/2003/153
License
Creative Commons Attribution
CC BY
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