Volume 98, Number 1, April 2012
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||10 April 2012|
Random sequences generation through optical measurements by phase-shifting interferometry
Project Group for Automatic Mesh Generation and Advanced Methods, Gamma3 Project (UTT-INRIA), University of Technology of Troyes, France - 12 rue Marie Curie, BP 2060, 10010 Troyes Cedex, France, EU
2 Network & Information Security, Ecole Supérieure d'Informatique, Electronique, Automatique (ESIEA) 9 rue Vésale, 75005 Paris, France, EU
3 Nanoscopic Physics, Institute of Condensed Matter and Nanosciences, Catholic University of Louvain 2 Chemin du Cyclotron, 1348 Louvain-la-Neuve, Belgium, EU
Accepted: 6 March 2012
The development of new techniques for producing random sequences with a high level of security is a challenging topic of research in modern cryptographics. The proposed method is based on the measurement by phase-shifting interferometry of the speckle signals of the interaction between light and structures. We show how the combination of amplitude and phase distributions (maps) under a numerical process can produce random sequences. The produced sequences satisfy all the statistical requirements of randomness and can be used in cryptographic schemes.
PACS: 42.25.Hz – Interference / 42.30.Va – Image forming and processing / 89.20.-a – Interdisciplinary applications of physics
© EPLA, 2012
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