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Paper 2021/1068
A Simple Post-Quantum Non-Interactive Zero-Knowledge Proof from Garbled Circuits
Hongrui Cui and Kaiyi Zhang
Abstract
We construct a simple public-coin zero-knowledge proof system solely based on symmetric primitives, from which we can apply the Fiat-Shamir heuristic to make it non-interactive. Our construction can be regarded as a simplified cut-and-choose-based malicious secure twoparty computation for the zero-knowledge functionality. Our protocol is suitable for pedagogical purpose for its simplicity (code is only 728 lines).
Metadata
- Available format(s)
- Category
- Cryptographic protocols
- Publication info
- Published elsewhere. Minor revision. Inscrypt 2021
- Keywords
- Zero-knowledgeGarbled circuitPost-Quantum
- Contact author(s)
- kzoacn @ sjtu edu cn
- History
- 2021-08-23: received
- Short URL
- https://ia.cr/2021/1068
- License
-
CC BY