Paper Title:
Improvement of a Self Proxy Signature Scheme
  Abstract

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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