Concurrent zero-knowledge.

Concurrent zero-knowledge.

Concurrent executions of a zero-knowledge protocol by a single prover (with one or more verifiers) may leak information and may not be zero-knowledge in toto. In this article, we study the problem of maintaining zero-knowledge.We introduce the notion of an (α, β) timing constraint: for any two proce...

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Vydáno v:Journal of the ACM 51, 6 (2004).
Hlavní autor: Dwork, Cynthia
Médium: Článek
Jazyk:English
Témata:
Data.
Data encryption.
Public key cryptosystems.
Theory of computation.
Computation by abstract devices.
Modes of computation.
Parallelism and concurrency.
Analysis of algorithms and problem complexity.
Algorithms.
Security.
Theory.