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oaioai:eprint.iacr.org:2009/319

Comments and Improvements on Chameleon Hashing Without Key Exposure Based on Factoring

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Publication date
1 July 2009
Publisher
International Association for Cryptologic Research (IACR)

Abstract

In this paper, we present some security flaws of the key-exposure free chameleon hash scheme based on factoring \cite{GWX07}. Besides, we propose an improved chameleon hash scheme without key exposure based on factoring which enjoys all the desired security notions of chameleon hashing

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This paper was published in Cryptology ePrint Archive.

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