Constant-Round Resettable Zero Knowledge with Concurrent Soundness in the Bare Public-Key Model

@inproceedings{Crescenzo2004ConstantRoundRZ,
  title={Constant-Round Resettable Zero Knowledge with Concurrent Soundness in the Bare Public-Key Model},
  author={Giovanni Di Crescenzo and Giuseppe Persiano and Ivan Visconti},
  booktitle={CRYPTO},
  year={2004}
}
In the bare public-key model (BPK in short), each verifier is assumed to have deposited a public key in a file that is accessible by all users at all times. In this model, introduced by Canetti et al. [STOC 2000], constant-round black-box concurrent and resettable zero knowledge is possible as opposed to the standard model for zero knowledge. As pointed out by Micali and Reyzin [Crypto 2001], the notion of soundness in this model is more subtle and complex than in the classical model and indeed… CONTINUE READING

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