NDLI: Chaotic cryptography with modified inclusion method and indirect coupled chaotic synchronisation

Content Provider	IEEE Xplore Digital Library
Author	Canyelles-Pericas, P. Kharel, R. Busawon, K. Postlethwaite, I.
Copyright Year	2014
Description	Author affiliation: Sch. of Eng., Manchester Metropolitan Univ., Manchester, UK (Kharel, R.) \|\| Fac. of Eng. & Environ., Univ. of Northumbria at Newcastle, Newcastle upon Tyne, UK (Canyelles-Pericas, P.; Busawon, K.; Postlethwaite, I.)
Abstract	This work proposes a chaotic cryptographic system based on a modified inclusion method in combination with indirect coupled synchronisation to create a chaotic private key. A Rossler type chaotic oscillator is used to embed an encrypted message in its dynamics as well as to drive the piece-wise linear function of a Chua type system, used to create a chaotic key to encrypt the embedded message. In the receiver side a Rossler high gain observer is used to synchronise with the transmitter as well as to drive a second Chua oscillator to decrypt the message. A bidirectional link is applied to remove the nonlinear term in transmitter-receiver error dynamics analysis. Information retrieval is achieved when encrypted message amplification factors and gain matrix values are correctly tuned; leading to a transfer function between error dynamics and encrypted message equal to unity. In this way encrypted message is retrieved with straight forward error dynamics subtraction, avoiding left invertibility problem. Message is finally obtained with key chaotic decryption from a second receiver-driven Chua oscillator. All results presented are based on software simulation in an ideal communication channel.
Starting Page	1071
Ending Page	1076
File Size	327793
Page Count	6
File Format	PDF
ISBN	9781479925810
DOI	10.1109/CSNDSP.2014.6923988
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-23
Publisher Place	UK
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Chua Chaotic communication Transmitters Modified Inclusion Method Chaos Cryptography Indirect Coupled Synchronisation Observers Generators High Gain Observer Cryptography Oscillators Rossler
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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