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Paper 2016/508
Collapse-binding quantum commitments without random oracles
Dominique Unruh
Abstract
We construct collapse-binding commitments in the standard model. Collapse-binding commitments were introduced by Unruh (Eurocrypt 2016) to model the computational-binding property of commitments against quantum adversaries, but only constructions in the random oracle model were known. Furthermore, we show that collapse-binding commitments imply selected other security definitions for quantum commitments, answering an open question by Unruh (Eurocrypt 2016).
Note: Minor changes following suggestions from the Asiacrypt 2016 reviewers.
Metadata
- Available format(s)
- Category
- Cryptographic protocols
- Publication info
- A major revision of an IACR publication in ASIACRYPT 2016
- Keywords
- Quantum cryptographycommitmentshash functions
- Contact author(s)
- unruh @ ut ee
- History
- 2016-08-23: revised
- 2016-05-25: received
- See all versions
- Short URL
- https://ia.cr/2016/508
- License
-
CC BY