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IH
2001
Springer
14 years 2 months ago
Zero-Knowledge Watermark Detection and Proof of Ownership
The goal of zero-knowledge watermark detection is to allow a prover to soundly convince a verifier of the presence of a watermark in certain stego-data without revealing any infor...
André Adelsbach, Ahmad-Reza Sadeghi
ASIACRYPT
2000
Springer
14 years 2 months ago
Zero-Knowledge and Code Obfuscation
In this paper, we investigate the gap between auxiliary-input zero-knowledge (AIZK) and blackbox-simulation zero-knowledge (BSZK). It is an interesting open problem whether or not ...
Satoshi Hada
FOCS
1999
IEEE
14 years 2 months ago
Non-Malleable Non-Interactive Zero Knowledge and Adaptive Chosen-Ciphertext Security
We introduce the notion of non-malleable noninteractive zero-knowledge (NIZK) proof systems. We show how to transform any ordinary NIZK proof system into one that has strong non-m...
Amit Sahai
CRYPTO
1999
Springer
98views Cryptology» more  CRYPTO 1999»
14 years 2 months ago
On Concurrent Zero-Knowledge with Pre-processing
Giovanni Di Crescenzo, Rafail Ostrovsky