Quantum Key Distribution Protocol

How Quantum Key Distribution Works (BB84 & E91)

Discussion about how quantum key distribution methods based on measuring the polarization of photons can be used to keep communications secure. In particular, the methods of Bennett and Brassard (BB84) and Ekert (E91) are explained. Contents 00:00 - Introduction 00:25 - One-time pad 02:17 - Public key cryptography 03:22 - Photon polarization 04 ...

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