19 search results - page 3 / 4 » Concurrent Non-Malleable Zero Knowledge Proofs |
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EUROCRYPT
2000
Springer
15 years 1 months ago
2000
Springer
We show that if any one-way function exists, then 3-round concurrent zero-knowledge arguments for all NP problems can be built in a model where a short auxiliary string with a pres...
TCC
2010
Springer
15 years 6 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...
ASIACRYPT
2001
Springer
15 years 2 months ago
2001
Springer
The number of communication rounds is a classic complexity measure for protocols; reducing round complexity is a major goal in protocol design. However, when the communication time...
CRYPTO
2005
Springer
15 years 3 months ago
2005
Springer
In this paper, we continue the study the round complexity of black-box zero knowledge in the bare public-key (BPK, for short) model previously started by Micali and Reyzin in [11]....
CRYPTO
2009
Springer
15 years 4 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...