Semi-Device-Independent Random Number Generation with Flexible Assumptions

• URL: http://arxiv.org/abs/2002.12295v2
• Date: Fri, 19 Mar 2021 09:37:12 GMT
• Title: Semi-Device-Independent Random Number Generation with Flexible Assumptions
• Authors: Matej Pivoluska, Martin Plesch, M\'at\'e Farkas, Nat\'alia Ru\v{z}i\v{c}kov\'a, Clara Flegel, Natalia Herrera Valencia, Will McCutcheon, Mehul Malik, Edgar A. Aguilar
• Abstract summary: We propose a new framework for semi-device-independent randomness certification using a source of trusted vacuum in the form of a signal shutter. We experimentally demonstrate our protocol with a photonic setup and generate secure random bits under three different assumptions with varying degrees of security and resulting data rates.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Our ability to trust that a random number is truly random is essential for fields as diverse as cryptography and fundamental tests of quantum mechanics. Existing solutions both come with drawbacks -- device-independent quantum random number generators (QRNGs) are highly impractical and standard semi-device-independent QRNGs are limited to a specific physical implementation and level of trust. Here we propose a new framework for semi-device-independent randomness certification, using a source of trusted vacuum in the form of a signal shutter. It employs a flexible set of assumptions and levels of trust, allowing it to be applied in a wide range of physical scenarios involving both quantum and classical entropy sources. We experimentally demonstrate our protocol with a photonic setup and generate secure random bits under three different assumptions with varying degrees of security and resulting data rates.

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