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Paper 2019/1279
Post-quantum Zero Knowledge in Constant Rounds
Nir Bitansky and Omri Shmueli
Abstract
We construct a constant-round zero-knowledge classical argument for NP secure against quantum attacks. We assume the existence of Quantum Fully-Homomorphic Encryption and other standard primitives, known based on the Learning with Errors Assumption for quantum algorithms. As a corollary, we also obtain a constant-round zero-knowledge quantum argument for QMA. At the heart of our protocol is a new no-cloning non-black-box simulation technique.
Metadata
- Available format(s)
- Category
- Cryptographic protocols
- Publication info
- Preprint.
- Keywords
- quantum cryptographyzero knowledge
- Contact author(s)
- omrishmueli @ mail tau ac il,nirbitan @ tau ac il
- History
- 2020-04-20: last of 3 revisions
- 2019-11-05: received
- See all versions
- Short URL
- https://ia.cr/2019/1279
- License
-
CC BY