Journal on Communications ›› 2017, Vol. 38 ›› Issue (11): 76-83.doi: 10.11959/j.issn.1000-436x.2017220

• Papers • Previous Articles     Next Articles

New certificateless aggregate signature scheme with universal designated verifier

Zhi-yan XU1,2,Li-bing WU1(),Li LI3,De-biao HE1,4   

  1. 1 School of Computer Science,Wuhan University,Wuhan 430072,China
    2 School of Computer Science,Hubei University of Education,Wuhan 430205,China
    3 International School of Software,Wuhan University,Wuhan 430072,China
    4 State Key Laboratory of Software Engineering,Wuhan University,Wuhan 430072,China
  • Revised:2017-04-10 Online:2017-11-01 Published:2017-12-13
  • Supported by:
    The National Natural Science Foundation of China(61501333);The National Natural Science Foundation of China(61572379);The National Natural Science Foundation of China(61472287);The Natural Science Foundation of Hubei Province(2015CFA068);The Science and Technology Program of Wuhan(2016060101010047)

Abstract:

Certificateless aggregate signature(CLAS) schemes with universal designated verifier had been widely applied in resource-constrained wireless mobile networks,because they could not only solve the problems of the certificate management and private key escrow,but also realize batch validation and the signer’s privacy protection.A security analysis for a certificateless aggregate signature scheme with universal designated verifier was firstly provided,and two attack methods to demonstrate that their scheme was forgeable was presented.To enhance security,a new certificateless aggregate signature scheme with universal designated verifier was proposed,and then the security of the scheme in the random oracle model was proved.The performance of our proposed scheme was finally evaluated.Compared with the original scheme,the pvoposed scheme fixes the security flaws and the total computational cost is greatly reduced.

Key words: cryptanalysis, universal designated verifier, certificateless aggregate signature, resist forgery attack

CLC Number: 

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