[Resource Topic] 2010/552: A Note on Zero-Knowledge Proofs of Knowledge and the ZKPOK Ideal Functionality

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Title:
A Note on Zero-Knowledge Proofs of Knowledge and the ZKPOK Ideal Functionality

Authors: Carmit Hazay, Yehuda Lindell

Abstract:

In this note, we provide a formal proof of the fact that any protocol that is a zero-knowledge proof of knowledge for a relation R is also a secure protocol for the zero-knowledge proof of knowledge functionality, where the latter is defined according to the standard framework of stand-alone secure computation. Although this is a well-known fact, to the best of our knowledge, no full proof of this has been published.

ePrint: https://eprint.iacr.org/2010/552

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