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Paper 2020/1191
Schrödinger's Pirate: How To Trace a Quantum Decoder
Mark Zhandry
Abstract
We explore the problem of traitor tracing where the pirate decoder can contain a quantum state. Our main results include: - We show how to overcome numerous definitional challenges to give a meaningful notion of tracing for quantum decoders - We give negative results, demonstrating barriers to adapting classical tracing algorithms to the quantum decoder setting. - On the other hand, we show how to trace quantum decoders in the setting of (public key) private linear broadcast encryption, capturing a common approach to traitor tracing.
Metadata
- Available format(s)
- Category
- Foundations
- Publication info
- A minor revision of an IACR publication in TCC 2020
- Keywords
- QuantumTraitor Tracing
- Contact author(s)
- mzhandry @ gmail com
- History
- 2020-09-30: received
- Short URL
- https://ia.cr/2020/1191
- License
-
CC BY