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Unconditionally Secure Authentication in Quantum Key Distribution

    Author

    • Sufyan T. Faraj
,
10.37649/aengs.2007.14249
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Abstract

Quantum key distribution (QKD) is a method using some properties of quantum mechanics to create a secret shared cryptographic key even if an eavesdropper has access to unlimited computational power. All QKD protocols require that the parties have access to an authentic channel. Otherwise, QKD is vulnerable to man-in-the-middle attacks. This paper studies QKD from this point of view, emphasizing the necessity and sufficiency of using unconditionally secure authentication in QKD. In this work, a new technique of using unconditionally secure authentication is proposed for quantum cryptosystems. This technique is based on a hybrid of normal application of authentication codes and the so-called “counter-based” authentication method such that to achieve a better trade off between security and efficiency (in terms of the required size of initially shared secret data). Based on this strategy, an authenticated version of a typical QKD protocol (the well-known BB84 protocol) is described. Some advantages of our protocol in comparison to other proposals are also highlighted.

Keywords

  • authentication
  • Cryptography
  • Key distribution
  • Quantum
  • Universal hashing
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    • Article View: 168
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Anbar Journal of Engineering Sciences
Volume 1, Issue 1
May 2008
Page 59-76
Files
  • XML
  • PDF 297.5 K
History
  • Receive Date: 01 June 2007
  • Revise Date: 20 June 2007
  • Accept Date: 25 June 2007
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  • Article View: 168
  • PDF Download: 89

APA

T. Faraj, S. (2008). Unconditionally Secure Authentication in Quantum Key Distribution. Anbar Journal of Engineering Sciences, 1(1), 59-76. doi: 10.37649/aengs.2007.14249

MLA

Sufyan T. Faraj. "Unconditionally Secure Authentication in Quantum Key Distribution". Anbar Journal of Engineering Sciences, 1, 1, 2008, 59-76. doi: 10.37649/aengs.2007.14249

HARVARD

T. Faraj, S. (2008). 'Unconditionally Secure Authentication in Quantum Key Distribution', Anbar Journal of Engineering Sciences, 1(1), pp. 59-76. doi: 10.37649/aengs.2007.14249

VANCOUVER

T. Faraj, S. Unconditionally Secure Authentication in Quantum Key Distribution. Anbar Journal of Engineering Sciences, 2008; 1(1): 59-76. doi: 10.37649/aengs.2007.14249

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