Encryption key distribution via chaos synchronization

Lars Keuninckx, Miguel C. Soriano, Ingo Fischer, Claudio R. Mirasso, Romain Modest Nguimdo, Guy Van der Sande

Research output: Contribution to journalArticle

24 Citations (Scopus)
124 Downloads (Pure)

Abstract

We present a novel encryption scheme, wherein an encryption key is generated by two distant complex nonlinear units,
forced into synchronization by a chaotic driver. The concept is sufficiently generic to be implemented on either photonic,
optoelectronic or electronic platforms. The method for generating the key bitstream from the chaotic signals is reconfigurable.
Although derived from a deterministic process, the obtained bit series fulfill the randomness conditions as defined by the
National Institute of Standards test suite. We demonstrate the feasibility of our concept on an electronic delay oscillator circuit
and test the robustness against attacks using a state-of-the-art system identification method.
Original languageEnglish
Article number43428
Pages (from-to)43428
Number of pages14
JournalScientific Reports - Nature
Volume7
DOIs
Publication statusPublished - 24 Feb 2017

Keywords

  • encryption
  • synchronization
  • chaos

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