Experimental realization of a highly secure chaos communication under strong channel noise

Abstract

A one-way coupled spatiotemporally chaotic map lattice is used to contruct cryptosystem. With the combinatorial applications of both chaotic computations and conventional algebraic operations, our system has optimal cryptographic properties much better than the separative applications of known chaotic and conventional methods. We have realized experiments to pratice duplex voice secure communications in realistic Wired Public Switched Telephone Network by applying our chaotic system and the system of Advanced Encryption Standard (AES), respectively, for cryptography. Our system can work stably against strong channel noise when AES fails to work.

A Dynamic AES Encryption Based on Memristive Chaos Neural Network

“…[4][5][6][7] Chaotic systems were introduced to improve the AES encryption algorithm's security. [8][9][10][11][12] In 2004, A one-way coupled spatiotemporally chaotic map lattice was used to construct a new AES cryptosystem. 8 in 2018, a novel chaos-based hybrid encryption algorithm design for secure and effective image encryption was presented.…”

“…[8][9][10][11][12] In 2004, A one-way coupled spatiotemporally chaotic map lattice was used to construct a new AES cryptosystem. 8 in 2018, a novel chaos-based hybrid encryption algorithm design for secure and effective image encryption was presented. 9 In 2019, an image encryption algorithm was proposed based on the combination of the chaos sequence and the modified AES.…”

A Stream Cipher Based on Discretized Spatiotemporal Chaotic System

“…In recent years, the spatiotemporal chaotic systems are used to construct stream ciphers [1][2][3][4][5]. Spatiotemporally chaotic systems usually have high dimensionality and high level of complexity, which are quite advantageous to ciphers.…”

A self-synchronizing stream cipher based on chaotic coupled maps

“…For SSSC the signals transmitted in the public channels (i.e., ciphertext) serve as the drivings for the synchronization of the receivers, and this structure can be effectively used by intruders to expose much information of the secret key [11,12,13,14,15,16]. In [17,18,19,20] we suggested to use spatiotemporal chaos, i.e., one-way coupled chaotic map lattices, incorporating with some simple conventional algebraic operations, to enhance the security of chaotic SSSC. In this paper we approach a revised system adding input and output functions aim to strengthen the security of the system.…”