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2006•Journal of Henan University of Science & TechnologyRequires access

A Forward-Secure Digital Signature Scheme Based on Guillou-Quisquater System

Hou Chang

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Abstract

Througn the cryptanalysis of a forward-secure digital signature scheme,it is found that the scheme has security leak and no forward security.A new forward-secure digital signature scheme based on GuillouQuisquater signature system is given,which achieves the property of forward security by the efficient update of signed secret key.The analysis shows that the new scheme has higher security.

About this research paper

What this paper is about

Througn the cryptanalysis of a forward-secure digital signature scheme,it is found that the scheme has security leak and no forward security.A new forward-secure digital signature scheme based on GuillouQuisquater signature system is given,which achieves the property of forward security by the efficient update of signed secret key.The analysis shows that the new scheme has higher security.

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Available abstract

Througn the cryptanalysis of a forward-secure digital signature scheme,it is found that the scheme has security leak and no forward security.A new forward-secure digital signature scheme based on GuillouQuisquater signature system is given,which achieves the property of forward security by the efficient update of signed secret key.The analysis shows that the new scheme has higher security.

Key concepts: Digital signature, Scheme (mathematics), Computer science, Computer security, Merkle signature scheme, Cryptanalysis, Signature (topology), Blind signature

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