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2012 International Conference on Computational Intelligence and Software Engineering (CiSE 2012)(E-BOOK)

Wuhan,China,2012-12-142012-12-162012

ISBN: 978-1-61896-036-8 Scientific Research Publishing

E-Book 275pp Pub. Date: December 2012

Category: Computer Science & Communications

Price: $100

Title: An Improved Concrete Certificateless Signature Scheme Without Pairings
Source: 2012 International Conference on Computational Intelligence and Software Engineering (CiSE 2012)(E-BOOK) (pp 173-176)
Author(s): Xuejiao Zhao, School Mathematics and Computer Engineering,Xihua University,Chengdu China
Xudong Li, School Mathematics and Computer Engineering,Xihua University,Chengdu China
Pengfei Xing, School Mathematics and Computer Engineering,Xihua University,Chengdu China
Abstract: A Certificateless signature scheme without pairings is given by Aijun Ge in 2009, and it’s signature length is 3. Based on the scheme, an improved concrete certificateless signature scheme without pairings is proposed. The signature length in our scheme is 2. The security of our scheme depends on the difficulties of DLP. It is proved that our scheme is existentially unforgeable against adaptively chosen-message attacks. Moreover, our scheme requires less computation cost compare with the scheme given by Aijun Ge.


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