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Paper 2009/319
Comments and Improvements on Chameleon Hashing Without Key Exposure Based on Factoring
Xiaofeng Chen and Haibo Tian and Fangguo Zhang
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.
Metadata
- Available format(s)
- Category
- Public-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Contact author(s)
- xfchen @ xidian edu cn
- History
- 2009-07-01: received
- Short URL
- https://ia.cr/2009/319
- License
-
CC BY