Faster Zero-Knowledge Protocols and Applications: Invited Talk Abstract

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DOI

Zero-knowledge (ZK) protocols are one of the cornerstones of modern cryptography. In a nutshell, a ZK protocol allows a prover P (with a secret input x) to persuade a verifier V that f(x)=1 for some public function f, without disclosing to V any other information about x. In this talk I will present two recent ZK protocols, known as ZKGC, [JKO13, FNO15] and ZKBoo, [GMO16]. These are the first ZK protocols that allow to prove interesting, non-algebraic statements (such as “I know x such that SHA-256(x) = y” for a public y), in the order of tens of milliseconds on a standard computer. As ZK protocols are ubiquitous in cryptography, this line of research has already enabled many interesting applications. In particular, I will show how ZKBoo allows to construct post-quantum signature schemes using symmetric-key primitives, [CDG+17] only.

OriginalsprogEngelsk
TitelInnovative Security Solutions for Information Technology and Communications - 10th International Conference,SecITC 2017, Revised Selected Papers : Innovative Security Solutions for Information Technology and Communications
RedaktørerPooya Farshim, Emil Simion
Antal sider11
Vol/bind10543
ForlagSpringer VS
Udgivelsesår1 jan. 2017
Sider1-11
ISBN (trykt)978-3-319-69283-8
ISBN (Elektronisk)978-3-319-69284-5
DOI
StatusUdgivet - 1 jan. 2017
Begivenhed10th International Conference for Information Technology and Communications , SecITC 2017 - Bucharest, Rumænien
Varighed: 8 jun. 20179 jun. 2017
http://www.secitc.eu/

Konference

Konference10th International Conference for Information Technology and Communications , SecITC 2017
LandRumænien
ByBucharest
Periode08/06/201709/06/2017
Internetadresse
SerietitelLecture Notes in Computer Science
Vol/bind10543
ISSN0302-9743

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