International Association for Cryptologic Research

International Association
for Cryptologic Research


Paper: Cryptanalysis of B.Lee-S.Kim-K.Kim Proxy Signature

Kefei Chen
Zheng Dong
Shengli Liu
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Abstract: Blind signature is the concept to ensure anonymity of e-cion. Untracebility and unlinkability are two main properties of real coin, which require mimicking electronically. Proxy signature schemes allow a proxy signer to generate a proxy signature on behalf of an original signer.All the previous proxy signature schemes are based on ElGamal-type schemes.In this paper, we propose a new proxy blind signature scheme based on an ID-based signature scheme, which uses bilinear pairings of elliptic curves or hyperelliptic curves.
  title={Cryptanalysis of B.Lee-S.Kim-K.Kim Proxy Signature},
  booktitle={IACR Eprint archive},
  keywords={public-key cryptography /cryptanalysis,digital signatures , proxy signatures},
  note={ 12398 received 25 Sep 2003, last revised 11 Dec 2003},
  author={Kefei Chen and Zheng Dong and Shengli Liu},