195 search results - page 3 / 39 » Identity-Based Zero Knowledge |
STOC
2006
ACM
14 years 6 months ago
2006
ACM
We prove that every problem in NP that has a zero-knowledge proof also has a zero-knowledge proof where the prover can be implemented in probabilistic polynomial time given an NP ...
EUROCRYPT
2008
Springer
13 years 7 months ago
2008
Springer
We introduce a new notion called -isolated proofs of knowledge ( -IPoK). These are proofs of knowledge where a cheating prover is allowed to exchange up to bits of communication wi...
AFRICACRYPT
2009
Springer
14 years 16 days ago
2009
Springer
Abstract. We present a simple zero-knowledge proof of knowledge protocol of which many protocols in the literature are instantiations. These include Schnorr’s protocol for provin...
CRYPTO
2000
Springer
13 years 10 months ago
2000
Springer
Abstract. We present a lower bound on the number of rounds required by Concurrent Zero-Knowledge proofs for languages in NP. It is shown that in the context of Concurrent Zero-Know...
PROVSEC
2007
Springer
13 years 12 months ago
2007
Springer
