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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Pairing-Free and Revocable Certificateless Signature Against Signing Key Exposure

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Author Yinxia Sun, Limin Shen
ISSN 2079-8407
On Pages 845-849
Volume No. 5
Issue No. 11
Issue Date December 1, 2014
Publishing Date December 1, 2014
Keywords Revocation, certificateless signature, pairing-free, Diffie-Hellman problem


Abstract

Certificateless public key schemes without pairing, have attracted much attention for its relatively high efficiency. The revocation problem is a very necessary issue in a public key cryptosystem. However, there have been some solutions to the certificateless revocation problem; they still suffer from low efficiency or security weakness. In this paper, we propose a revocable certificateless signature scheme, which highlights the public channel for key-update, no bilinear pairing and signing key exposure resistant. Our scheme is provably secure under the difficulty assumption of the Computational Diffie-Hellman problem.
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