In the bare public-key model, introduced by Canetti et al. [STOC 2000], it is only assumed that each verifier deposits during a setup phase a public key in a file accessible by a...
Giovanni Di Crescenzo, Giuseppe Persiano, Ivan Vis...
Abstract. We introduce and define the notion of identity-based zeroknowledge, concentrating on the non-interactive setting. In this setting, our notion allows any prover to widely...
We show new lower bounds and impossibility results for general (possibly non-black-box) zero-knowledge proofs and arguments. Our main results are that, under reasonable complexity...