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Questions tagged [interactive-proofs]

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4 votes
2 answers
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Rigorous Proof on Malicious Zero-Knowledge Property of Schnorr Protocol

Let us recall the Schnorr Protocol, following Chris Peikert's excellent Notes on the Theory of Cryptography. Protocol. Let $G=\langle g \rangle$ be a cyclic group of order $q$. We consider an ...
Chris's user avatar
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3 votes
1 answer
445 views

The significance of rewinding a simulation in an ZK interactive proof

I'm reading Matthew Green's blog post on ZK Interactive Proofs I don't understand the part where he explains how using a time machine shows that the prover is leaking zero information Specifically, ...
user93353's user avatar
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2 votes
2 answers
465 views

How to calculate soundness error of a sigma protocol?

How do I calculate the soundness error of a sigma protocol, such as Schnorr's interactive protocol for knowledge of a discrete logarithm?
George Herbert's user avatar
0 votes
1 answer
76 views

Sumcheck Protocol: How to represent a matrix as an MLE which takes row & column numbers as parameters?

This is from Justin Thaler's book - Proofs, Arguments & Zero Knowledge Page 43 For it to make sense to talk about multilinear extensions, we need to view the adjacency matrix $A$ not as a matrix, ...
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