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CRYPTO
2004
Springer
205views Cryptology» more  CRYPTO 2004»
14 years 5 months ago
Constant-Round Resettable Zero Knowledge with Concurrent Soundness in the Bare Public-Key Model
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, intro...
Giovanni Di Crescenzo, Giuseppe Persiano, Ivan Vis...
ASIACRYPT
2004
Springer
14 years 5 months ago
Improved Setup Assumptions for 3-Round Resettable Zero Knowledge
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...
CRYPTO
2009
Springer
144views Cryptology» more  CRYPTO 2009»
14 years 7 months ago
On the Composition of Public-Coin Zero-Knowledge Protocols
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...
Rafael Pass, Wei-Lung Dustin Tseng, Douglas Wikstr...