A Novel Anonymous Proxy Signature Scheme

Recently, several studies about proxy signature schemes have been conducted. In 2009, Yu et al. proposed an anonymous proxy signature scheme attempting to protect the proxy signer's privacy from outsiders. They claimed that their scheme can make the proxy signer anonymous. However, based on our...

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Main Author: Jue-Sam Chou
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Advances in Multimedia
Online Access:http://dx.doi.org/10.1155/2012/427961
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author Jue-Sam Chou
author_facet Jue-Sam Chou
author_sort Jue-Sam Chou
collection DOAJ
description Recently, several studies about proxy signature schemes have been conducted. In 2009, Yu et al. proposed an anonymous proxy signature scheme attempting to protect the proxy signer's privacy from outsiders. They claimed that their scheme can make the proxy signer anonymous. However, based on our research, we determined that this was not the case and the proxy signer's privacy was not anonymous. Hence, in this paper, we propose a new anonymous proxy signature scheme that truly makes the proxy signer anonymous while making it more secure and efficient when compared with Yu et al.'s scheme. Our proxy signature scheme consists of two contributions. First, we mainly use random numbers and bilinear pairings to attain the anonymous property. Secondly, we increase the security and efficiency of our proxy in the design.
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spelling doaj-art-2149caef2e3542868fd18a9ce176c9f82025-08-20T02:03:55ZengWileyAdvances in Multimedia1687-56801687-56992012-01-01201210.1155/2012/427961427961A Novel Anonymous Proxy Signature SchemeJue-Sam Chou0Department of Information Management, Nanhua University, Chiayi 622, TaiwanRecently, several studies about proxy signature schemes have been conducted. In 2009, Yu et al. proposed an anonymous proxy signature scheme attempting to protect the proxy signer's privacy from outsiders. They claimed that their scheme can make the proxy signer anonymous. However, based on our research, we determined that this was not the case and the proxy signer's privacy was not anonymous. Hence, in this paper, we propose a new anonymous proxy signature scheme that truly makes the proxy signer anonymous while making it more secure and efficient when compared with Yu et al.'s scheme. Our proxy signature scheme consists of two contributions. First, we mainly use random numbers and bilinear pairings to attain the anonymous property. Secondly, we increase the security and efficiency of our proxy in the design.http://dx.doi.org/10.1155/2012/427961
spellingShingle Jue-Sam Chou
A Novel Anonymous Proxy Signature Scheme
Advances in Multimedia
title A Novel Anonymous Proxy Signature Scheme
title_full A Novel Anonymous Proxy Signature Scheme
title_fullStr A Novel Anonymous Proxy Signature Scheme
title_full_unstemmed A Novel Anonymous Proxy Signature Scheme
title_short A Novel Anonymous Proxy Signature Scheme
title_sort novel anonymous proxy signature scheme
url http://dx.doi.org/10.1155/2012/427961
work_keys_str_mv AT juesamchou anovelanonymousproxysignaturescheme
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