Reliable and Secure Memristor-based Chaotic Communication Against Eavesdroppers and Untrusted Foundries

Abstract

Chaos is a deterministic phenomenon that occurs in a non-linear dynamic system under the specific condition when the trajectories of the state vector become periodic and extremely sensitive to the initial conditions. While traditional resistor-based chaotic communications are primarily concerned with the safe transfer of information across networks, the transceivers themselves can be compromised due to outsourcing manufacturing. With the growth of wireless sensors in resource-constrained implantable and wearable devices, chaotic communication may be a good fit if the information transmitted is reliable and the transmitter devices are secure. We believe that memristor, as the fourth fundamental two-terminal circuit element, can close the gap between reliable communication and secure manufacturing since its resistance can be programmed and saved by the designer and not the foundry. Thus, in this paper, we propose a memristor-based Chua’s chaotic transceiver that is both reliable in the presence of eavesdroppers and secure against untrusted foundries. Specifically, we consider the pair of transmitter and receiver under the same memristor value to show the possibility of uninterrupted communication as well as cases wheredifferent values of memristors are used to find out the possible rangein which the message can still be meaningfully decoded. Experimen-tal results confirm that both reliable communication and secure designcan be achieved via our proposed memristor-based chaos transceivers.

Machine Learning in Chaos-Based Encryption: Theory, Implementations, and Applications

“…An alternate approach to using chaos-based techniques for designing cryptosystems can be implemented by creating a hyper-chaotic circuit and carefully choosing the components that will increase the key space for encryption. Once such an approach is demonstrated in [19] which uses memristive components as tunable keys and also implements the concept of logic locking [20] for enhanced security. However, the main challenge even after designing the encryption algorithm is retrieving the information at the destination (decryption), as during chaotic encryption, the original signal is mixed with the chaotic system.…”