# Determination of the Parameters for a Lorenz System and Application to Break the Security of Two-channel Chaotic Cryptosystems

@article{Ore2008DeterminationOT, title={Determination of the Parameters for a Lorenz System and Application to Break the Security of Two-channel Chaotic Cryptosystems}, author={Amalia Beatriz Or{\'u}e and Gonzalo {\'A}lvarez and Miguel Romera and Gerardo Pastor and Fausto Montoya and S. Li}, journal={Physics Letters A}, year={2008}, volume={372}, pages={5588-5592} }

## 27 Citations

A new parameter determination method for some double-scroll chaotic systems and its applications to chaotic cryptanalysis

- Computer ScienceCommunications in Nonlinear Science and Numerical Simulation
- 2010

A Two-Channel Secure Communication Using Fractional Chaotic Systems

- Computer Science
- 2010

Results show that the original plaintexts have been well masked in the ciphertexts yet recovered faithfully and efficiently by the present schemes, demonstrating the effectiveness of the proposed scheme.

On the inadequacy of unimodal maps for cryptographic applications

- Computer Science, Mathematics
- 2010

This paper shows a meaningful set of contexts where the dynamics of unimodal maps can be reconstructed, which means a relevant reduction of the scope where this kind of chaotic Maps can be applied to build up new encryption procedures.

Analog Chaos-based Secure Communications and Cryptanalysis: A Brief Survey

- Computer Science, MathematicsArXiv
- 2007

A large number of analog chaos-based secure communication systems have been proposed since the early 1990s exploiting the technique of chaos synchronization, with some recently proposed countermeasures against known attacks introduced.

Practical realisation of a return map immune Lorenz-based chaotic stream cipher in circuitry

- Computer ScienceIET Comput. Digit. Tech.
- 2018

The authors report on the realisation of an encryption process in real-time analogue circuitry using on-the-shelf components and minimal processing power and demonstrate a fabricated printed circuit board implementation of the system.

Single channel secure communication scheme based on synchronization of fractional-order chaotic Chua’s systems

- Computer ScienceTrans. Inst. Meas. Control
- 2018

A step-by-step sliding mode fractional-order chaotic observer subject to unknown input is proposed as the response system to obtain robust synchronization between the emitter and the receiver and the plaintext is recovered.

A new secure communication based on EMD encryptions

- Computer Science2012 International Symposium on Intelligent Signal Processing and Communications Systems
- 2012

The new scheme separates a dummy signal from the chaotic signal with Empirical Mode Decomposition (EMD), a novel scheme for secure communications that a hacker would not be able to retrieve the message signal by using EMD or chaos synchronization.

Lessons Learnt from the Cryptanalysis of Chaos-Based Ciphers

- Computer ScienceChaos-Based Cryptography
- 2011

The idea of using chaotic transformations in cryptography is explicit in the foundational papers of Shannon on secrecy systems and the number of proposals which exploited the properties of chaotic maps for cryptographical purposes, grew in a spectacular way.

Real-time image encryption using a low-complexity discrete 3D dual chaotic cipher

- Computer Science, Mathematics
- 2015

In this paper, an algorithm is proposed for real-time image encryption using a dual chaotic generator based on a three-dimensional discrete Lorenz attractor and employing an integer representation of the image data which can easily be implemented.

Real-Time Image Encryption Using a 3D Discrete Dual Chaotic Cipher

- Computer Science
- 2016

An encryption algorithm is proposed for real-time image encryption using a dual chaotic generator based on a three dimensional (3D) discrete Lorenz attractor and employing an integer representation of the data which can easily be implemented.

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