29 search results - page 5 / 6 » Concurrent Zero-Knowledge |
EUROCRYPT
2003
Springer
13 years 10 months ago
2003
Springer
A new public-key model for resettable zero-knowledge (rZK) protocols, which is an extension and generalization of the upper-bounded public-key (UPK) model introduced by Micali and ...
CRYPTO
2009
Springer
13 years 12 months ago
2009
Springer
Abstract. We show that only languages in BPP have public-coin, blackbox zero-knowledge protocols that are secure under an unbounded (polynomial) number of parallel repetitions. Thi...
EUROCRYPT
2006
Springer
13 years 9 months ago
2006
Springer
Non-interactive zero-knowledge (NIZK) proof systems are fundamental cryptographic primitives used in many constructions, including CCA2-secure cryptosystems, digital signatures, an...
TCC
2010
Springer
14 years 2 months ago
2010
Springer
Goldreich-Krawczyk (Siam J of Comp’96) showed that only languages in BPP have constant-round public-coin black-box zero-knowledge protocols. We extend their lower bound to “ful...
TAMC
2007
Springer
13 years 11 months ago
2007
Springer
Pass observed that universal composable zero-knowledge (UCZK) protocols in the common reference string (CRS) model, where a common reference string is selected trustily by a truste...