Concurrent Zero-Knowledge: With Additional Background by Oded Goldreich by Alon RosenConcurrent Zero-Knowledge: With Additional Background by Oded Goldreich by Alon Rosen

Concurrent Zero-Knowledge: With Additional Background by Oded Goldreich

byAlon Rosen

Paperback | November 25, 2010

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Zero-knowledge proofs are fascinating and extremely useful constructs. Their fascinating nature is due to their seemingly contradictory de?nition; ze- knowledge proofs are convincing and yet yield nothing beyond the validity of the assertion being proved. Their applicability in the domain of cryptography is vast; they are typically used to force malicious parties to behave according to a predetermined protocol. In addition to their direct applicability in cr- tography, zero-knowledge proofs serve as a good benchmark for the study of variousproblemsregardingcryptographicprotocols(e.g.,"securecomposition of protocols"). A fundamental question regarding zero-knowledge protocols refers to the preservation of security (i.e., of the zero-knowledge feature) when many - stances are executed concurrently, and in particular under a purely as- chronous model. The practical importance of this question, in the days of extensive Internet communication, seems clear. It turned out that this qu- tion is also very interesting from a theoretical point of view. In particular, this question served as a benchmark for the study of the security of concurrent executions of protocols and led to the development of techniques for coping with the problems that arise in that setting.
Title:Concurrent Zero-Knowledge: With Additional Background by Oded GoldreichFormat:PaperbackDimensions:184 pages, 23.5 × 15.5 × 0.02 inPublished:November 25, 2010Publisher:Springer-Verlag/Sci-Tech/TradeLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:3642069495

ISBN - 13:9783642069499

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Table of Contents

A Brief Introduction to Zero-Knowledge (by Oded Goldreich).- to Concurrent Zero-Knowledge.- Preliminaries.- c Proof Systems for .- c in Logarithmically Many Rounds.- A Simple Lower Bound.- Black-Box c Requires Logarithmically Many Rounds.- Conclusions and Open Problems.- A Brief Account of Other Developments (by Oded Goldreich).

Editorial Reviews

From the reviews:"Protocols that remain zero-knowledge when many instances are executed concurrently are called concurrent zero-knowledge. This book is very well suited for the reader who wants to know the state of the art of concurrent zero-knowledge proofs. . The book could be used as a textbook on advanced topics in cryptography. It is highly recommended to the newcomer in the field who wants technical information, and to the researcher in the area who would like a survey on concurrent zero-knowledge." (Yongge Wang, Mathematical Reviews, Issue 2007 m)