Chaotic Signals in Digital Communications

15

Cryptography based on chaotic and unsynchronized elements of a network

Romeu M. Szmoski, Fabiano A. S. Ferrari, Sandro E. de S. Pinto

Department of PhysicsUniversidade Estadual de Ponta Grossa

Ricardo L. Viana

Department of PhysicsUniversidade Federal do Paraná

Murilo S. Baptista

Institute for Complex Systems and Mathematical Biology, SUPAUniversity of Aberdeen

CONTENTS

15.1  Introduction

15.2  Description of the communication mechanism

15.3  Pre-synchronization stage

15.4  Post-synchronization stage

15.5  Application to a specific example

15.6  Improving security and efficiency

15.6.1  Establishing the reservoir

15.6.2  Reading and decoding a message

15.6.3  Transmitting the signal and recovering the message

15.7  Conclusions

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