Secure Key Distribution Strategy in OFDM-PON by Utilizing the Redundancy of Training Symbol and Digital Chaos Technique

A secure key distribution scheme for orthogonal frequency division multiplexing (OFDM) passive optical network system is proposed and experimentally demonstrated. The training symbol (TS), which is used for time synchronization and channel estimation, is formed by adopting a noise-like chaotic sequence. The redundancy of the TS is utilized to embed secure keys. An experiment is performed, in which 7.64 Gb/s 16-quadrature-amplitude-modulation OFDM data and 28.4 Mb/s keys embedded in are successfully transmitted over 25 km standard single mode fiber. The results indicate a promising key distribution method for physical layer secure optical communication.

[1]  Xiangjun Xin,et al.  Piecewise Chaotic Permutation Method for Physical Layer Security in OFDM-PON , 2016, IEEE Photonics Technology Letters.

[2]  Bo Liu,et al.  A novel 3D constellation-masked method for physical security in hierarchical OFDMA system. , 2013, Optics express.

[3]  Weisheng Hu,et al.  Chaos-Based Partial Transmit Sequence Technique for Physical Layer Security in OFDM-PON , 2015, IEEE Photonics Technology Letters.

[4]  Mark A. Gregory,et al.  The next generation of passive optical networks: A review , 2016, J. Netw. Comput. Appl..

[5]  Jonathan N. Blakely,et al.  Entropy rates of low-significance bits sampled from chaotic physical systems , 2016 .

[6]  Kun Qiu,et al.  Key distribution based on synchronization in bandwidth-enhanced random bit generators with dynamic post-processing. , 2015, Optics express.

[7]  Weisheng Hu,et al.  A Key Space Enhanced Chaotic Encryption Scheme for Physical Layer Security in OFDM-PON , 2017, IEEE Photonics Journal.

[8]  B. Pompe,et al.  Permutation entropy: a natural complexity measure for time series. , 2002, Physical review letters.

[9]  Eleni Diamanti,et al.  Distributing Secret Keys with Quantum Continuous Variables: Principle, Security and Implementations , 2015, Entropy.

[10]  D. Rontani,et al.  Multiplexed encryption using chaotic systems with multiple stochastic-delayed feedbacks. , 2009, Physical review. E, Statistical, nonlinear, and soft matter physics.

[11]  Paul R. Prucnal,et al.  Long range secure key distribution over multiple amplified fiber spans based on environmental instabilities , 2016, 2016 Conference on Lasers and Electro-Optics (CLEO).

[12]  Dan Forsberg,et al.  LTE key management analysis with session keys context , 2010, Comput. Commun..

[13]  Jun Muramatsu,et al.  Information-theoretic secure key distribution based on common random-signal induced synchronization in unidirectionally-coupled cascades of semiconductor lasers. , 2013, Optics express.

[14]  Kyo Inoue.  Differential Phase-Shift Quantum Key Distribution Systems , 2015, IEEE Journal of Selected Topics in Quantum Electronics.

[15]  Weisheng Hu,et al.  Chaotic Walsh–Hadamard Transform for Physical Layer Security in OFDM-PON , 2017, IEEE Photonics Technology Letters.

[16]  Weisheng Hu,et al.  Secure Transmission of Optical DFT-S-OFDM Data Encrypted by Digital Chaos , 2016, IEEE Photonics Journal.

[17]  Wei Zhang,et al.  Experimental Demonstration of Security-Enhanced OFDMA-PON Using Chaotic Constellation Transformation and Pilot-Aided Secure Key Agreement , 2017, Journal of Lightwave Technology.

[18]  Weisheng Hu,et al.  Chaotic signal scrambling for physical layer security in OFDM-PON , 2015, 2015 17th International Conference on Transparent Optical Networks (ICTON).

[19]  Daniel Brunner,et al.  Bidirectional private key exchange using delay-coupled semiconductor lasers. , 2016, Optics letters.

[20]  Wolfgang Kinzel,et al.  Synchronization of random bit generators based on coupled chaotic lasers and application to cryptography. , 2010, Optics express.

[21]  H. Sebastian Seung,et al.  Algorithms for Non-negative Matrix Factorization , 2000, NIPS.

[22]  D S Citrin,et al.  Generation of orthogonal codes with chaotic optical systems. , 2011, Optics letters.

[23]  Weisheng Hu,et al.  Chaotic Encryption Algorithm Against Chosen-Plaintext Attacks in Optical OFDM Transmission , 2016, IEEE Photonics Technology Letters.

[24]  Elaine B. Barker,et al.  A Statistical Test Suite for Random and Pseudorandom Number Generators for Cryptographic Applications , 2000 .

[25]  D. Liu,et al.  Enhanced Secure Strategy for OFDM-PON System by Using Hyperchaotic System and Fractional Fourier Transformation , 2014, IEEE Photonics Journal.