Improvement of a Self Proxy Signature Scheme

Abstract:

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The aim of self proxy is to protect the signer’s permanent secret key. In 2007, Kim and Chang proposed a self proxy signature scheme. In this paper, we show that their scheme cannot resist the warrant revision attack. Anyone can forge a valid proxy warrant and generate a valid self proxy signature for any message, when he gets a self proxy signature. To overcome their weakness, an improvement scheme is proposed, which is provably secure in random oracle model.

Info:

Periodical:

Edited by:

Zhu Zhilin & Patrick Wang

Pages:

643-646

DOI:

10.4028/www.scientific.net/AMM.40-41.643

Citation:

Q. Xie "Improvement of a Self Proxy Signature Scheme", Applied Mechanics and Materials, Vols. 40-41, pp. 643-646, 2011

Online since:

November 2010

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Price:

$35.00

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