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Enhancements to prepare-and-measure based QKD protocols
Ryan, Peter; Christianson, Bruce
2013In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
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Keywords :
Authentication; Quantum cryptography; Key establishments; Key materials; Man in the middle attacks; Quantum key distribution protocols
Abstract :
[en] We propose some simple changes to a class of Quantum Key Distribution protocols. The first enhancement ensures early detection of any attempted Man-in-the-Middle attack and results in less leakage of key material to any eavesdropping attacker. We argue that this version is at least as secure as the original BB'84 scheme, but ensures a closer binding of the key establishment and authentication components of the protocol. Further proposed enhancements lead to a doubling of the key rate, but the security arguments become more delicate. We also touch on the need to enhance the models used to analyze both the classical and quantum aspects of QKD protocols. This is prompted by the observation that existing analyses treat the quantum (key-establishment) and classical (authentication etc) phases separately and then combine them in a simple-minded fashion.
Disciplines :
Computer science
Author, co-author :
Ryan, Peter ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC)
Christianson, Bruce
External co-authors :
yes
Language :
English
Title :
Enhancements to prepare-and-measure based QKD protocols
Publication date :
2013
Event name :
21st International Workshop on Security Protocols XXI
Event place :
Cambridge, United Kingdom
Event date :
19 March 2013 through 20 March 2013
Audience :
International
Main work title :
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Publisher :
Springer Verlag
ISBN/EAN :
978-364241716-0
Pages :
123-133
Peer reviewed :
Peer reviewed
Available on ORBilu :
since 10 March 2016

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