Abstract. Security of quantum key distribution against sophisticated attacks is among the most important issues in quantum information theory. In this work we prove security against a very important class of attacks called collective attacks (under a compatible noise model) which use quantum memories and gates, and which are directed against the final key. This work was crucial for a full proof of security (against the joint attack) recently obtained by Biham, Boyer, Boykin, Mor, and Roychowdhury [1].
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Biham, ., Boyer, ., Brassard, . et al. Security of Quantum Key Distribution against All Collective Attacks . Algorithmica 34, 372–388 (2002). https://doi.org/10.1007/s00453-002-0973-6
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DOI: https://doi.org/10.1007/s00453-002-0973-6