[Resource Topic] 2020/1191: Schrödinger's Pirate: How To Trace a Quantum Decoder

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Welcome to the resource topic for 2020/1191

Title:
Schrödinger’s Pirate: How To Trace a Quantum Decoder

Authors: 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.

ePrint: https://eprint.iacr.org/2020/1191

Talk: https://www.youtube.com/watch?v=rwPm8YGQcf0

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