Apparatus and method for mutual authentication of quantum entities based on measurement-device-independent quantum key distribution
US12355900B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2023 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Sep 20, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L9/3242
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are an apparatus and method for mutual authentication of quantum entities based on Measurement-Device-Independent Quantum Key Distribution (MDI-QKD). The method may include configuring a quantum input form based on an authentication key shared in advance with a counterpart entity, applying polarization modulation to the configured quantum input form, transmitting the quantum input form to which polarization modulation is applied to a quantum measurement device, and authenticating the counterpart entity by checking whether the counterpart entity configures a quantum input form according to the shared authentication key using a measurement result and information about polarization modulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.