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Published in:
1991 | OriginalPaper | Chapter
Achieving Zero-Knowledge Robustly
Author : J. Kilian
Published in: Advances in Cryptology-CRYPT0’ 90
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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We introduce the notion of robust transformations of interactive proof systems. A robust transformation takes an interactive proof system (P, V), and produces a new interactive proof system, (P*, V*), such that the power of P* is within a polynomial factor of that of P. We show that, given an ideal protocol for secure circuit evaluation, there exists a robust transformation that converts interactive proof systems to zero-knowledge interactive proof systems.