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2010•Unpublished venueRequires access

Security Analysis and Improvement of a Group Signature Scheme

Xinglan Zhang

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Abstract

Recently,Chen,et al.presented a membership revocation algorithm of a group signature scheme,verifiable revocation procedure was invoked to show whether a member is revoked.By analyzing Chen's design,a limitation was pointed.At the same time,another improved membership revocation algorithm was proposed.Under the assumption of stronger RSA and Discrete Logarithm problem,the efficiency and the security of the new group signature scheme were proven.

About this research paper

What this paper is about

Recently,Chen,et al.presented a membership revocation algorithm of a group signature scheme,verifiable revocation procedure was invoked to show whether a member is revoked.By analyzing Chen's design,a limitation was pointed.At the same time,another improved membership revocation algorithm was proposed.Under the assumption of stronger RSA and Discrete Logarithm problem,the efficiency and the security of the new group signature scheme were proven.

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Method / approach

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Available abstract

Recently,Chen,et al.presented a membership revocation algorithm of a group signature scheme,verifiable revocation procedure was invoked to show whether a member is revoked.By analyzing Chen's design,a limitation was pointed.At the same time,another improved membership revocation algorithm was proposed.Under the assumption of stronger RSA and Discrete Logarithm problem,the efficiency and the security of the new group signature scheme were proven.

Key concepts: Revocation, Group signature, Computer science, Discrete logarithm, Verifiable secret sharing, Signature (topology), Scheme (mathematics), Group (periodic table)

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