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Comment on Wu et al.'s Server-aided Verification Signature Schemes

Zhiwei Wang;Licheng Wang;义先 杨;正明 胡

Beijing University of Posts and Telecommunications;China Association for Science and Technology

发表时间:2010

期 刊:International Journal of Network Security

语 言:English

U R L: http://www.scopus.com/inward/record.url?scp=79952985411&partnerID=8YFLogxK

摘要

In ProvSec 2008, Wu et al. constructed two server-aided verification signature (SAV-∑) schemes based on BLS signature. In this paper, we provide a new definition of the security of SAV-∑ against collusion and adaptive chosen message attacks. We founded that Wu et al.'s first scheme is secure, while their second scheme is insecure based on our definition.

关键词

BLS sig-nature
Server-aided verification signature
Untrusted server

相关科学

计算机科学
计算机网络与通信

文献指纹

工程与材料科学

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2005
2006 0.393 1.749
2007 0.213 0.919
2008 0.344 0.718
2009 0.259 0.759
2010 0.385 1.037
2011 2.8 0.414 1.147
2012 2.9 0.461 1.664
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