[Turkmath:7779] Seminer: Overview of Unconditionally Secure Authentication in Quantum Key Distribution

[Ayse Bilge]

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Ayse H. Bilge

 


KADİR HAS ÜNİVERSİTESİ FEN-EDEBİYAT FAKÜLTESİ


SEMİNER


Overview of Unconditionally Secure Authentication in Quantum Key Distribution

 

Aysajan Abidin, MSc, Tech Lic,
Division of Information Coding
Department of Electrical Engineering
University of Linköping, Sweeden

 

YER:  B201, Kadir Has Üniversitesi, Cibali Kampüsü

Tarih:   16.06.2011 Perşembe Günü

Saat: 15.00-17.00

İletişim: İlkay Yağız

(212) 533 65 32/1331, ilkay.yagiz at khas.edu.tr

 

Abstract

Quantum Key Distribution (QKD - also referred to as Quantum Cryptography) is a secret key agreement technique based on the laws of quantum physics . It is a two step procedure: Initially the legitimate parties exchange quantum signals over a quantum channel, and subsequently the parties run a classical post-processing protocol over a public communication channel to agree on two identical secret keys. It has been shown that QKD rigged with Information-Theoretic Secure (ITS) authentication of the classical messages transmitted during the key distribution protocol is also ITS. QKD without any authentication can trivially be broken by man-in-the-middle attacks.
In this  talk, I will first give a general introduction to QKD. Then, various authentication primitives proposed for use in QKD will be discussed along with the their security in the context of QKD.

 

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