Cryptology ePrint Archive: Report 2009/400

Identity-Based Chameleon Hash Scheme Without Key Exposure

Xiaofeng Chen and Fangguo Zhang and Haibo Tian and Kwangjo Kim

Abstract: In this paper, we propose the first identity-based chameleon hash scheme without key exposure, which gives a positive answer for the open problem introduced by Ateniese and de Medeiros in 2004.

Category / Keywords: public-key cryptography / Chameleon hashing, Identity-based system, Key exposure

Date: received 14 Aug 2009

Contact author: xfchen at xidian edu cn

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Version: 20090815:024459 (All versions of this report)

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