Quantum Conference Key Agreement: A Review

• Published in: Advanced quantum technologies (Online) Vol. 3; no. 11
• Main Authors: Murta, Gláucia, Grasselli, Federico, Kampermann, Hermann, Bruß, Dagmar
• Format: Journal Article
• Language: English
• Published: 01.11.2020
• Subjects: conference key agreement; device‐independent protocols; multipartite entanglement; multipartite QKD; quantum cryptography

Conference key agreement (CKA), or multipartite key distribution, is a cryptographic task where more than two parties wish to establish a common secret key. A composition of bipartite quantum key distribution protocols can accomplish this task. However, the existence of multipartite quantum correlat...