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Title: Feedback phase in optically generated chaos
Alternative title / Subtitle: a secret key for cryptographic applications
Authors: Μπόγρης, Αντώνιος
Ριζομυλιώτης, Παναγιώτης
Χλουβεράκης, Κωνσταντίνος Ε.
Αργύρης, Απόστολος
Συβρίδης, Δημήτριος
Item type: Journal article
Keywords: κρυπτογράφηση;καθυστερήσεις;στατιστικά σφάλματα;λέιζερ ημιαγωγών;συγχρονισμός;Cryptography;delays;Error (Statistics);Semiconductor lasers;synchronisation
Subjects: Τενχολογία
Issue Date: 17-May-2015
Publisher: IEEE
Abstract: The feedback phase in a chaotic system consisting of a semiconductor laser subject to delayed optical feedback is considered for the first time as a secret key for secure chaotic communications not exclusively based on hardware uniqueness. Extensive numerical simulations illustrate that the feedback phase is of extreme importance as far as synchronization is concerned. The ability of an eavesdropper to attack the intensity-modulated message when a pseudorandom variation of the feedback phase is imposed at the transmitter's side is numerically quantified by bit-error-rate calculations. The analysis demonstrates that the eavesdropper is not able to synchronize and hence to extract the message when he is not aware of the phase variations even if he is equipped with an identical chaotic device.
Language: English
Citation: Bogris, A., Rizomiliotis, P., Chlouverakis, K.E., Argyris, A. and Syvridis, D. (2008) Feedback Phase in Optically Generated Chaos: A Secret Key for Cryptographic Applications. IEEE Journal of Quantum Electronics. [Online] 44 (2), pp.119‐124. Available from: [Accessed 16/05/2015]
Journal: IEEE Journal of Quantum Electronics
Type of Journal: With a review process (peer review)
Sponsor: IEEE Photonics Society
Access scheme: Embargo
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
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