Title: Hybrid turbo code for information security and reliability

Authors: Vidya Sawant; Archana Bhise

Addresses: Department of Electronics and Telecommunication, Mukesh Patel School of Technology, Management and Engineering, SVKM's NMIMS (Deemed to be University), Mumbai, India ' Department of Electronics and Telecommunication, Mukesh Patel School of Technology, Management and Engineering, SVKM's NMIMS (Deemed to be University), Mumbai, India

Abstract: Wireless communication channels are highly vulnerable to security attacks and channel noise. Most wireless communication systems deploy advanced encryption standard (AES) and turbo code for security and reliability. However, the sequential process of encryption and encoding increases the resources, computational cost and reduces the overall error correction performance. A hybrid turbo code (HTC) for encryption and error correction is proposed. The HTC deploys a proposed Weierstrass elliptic curve interleaver (WECI) for random shuffling of the input bits. The difficulty of solving the elliptic curve discrete logarithm makes the WECI cryptographically strong. The simulation results of HTC depict a bit error rate of almost 10^-3.8 at a signal-to-noise ratio of 2 dB similar to the conventional turbo code. Moreover, it provides security and reliability to the transmitted data at a reduced computational cost and memory as compared to the conventional system using AES followed by turbo code.

Keywords: computational complexity; encryption; elliptic curve arithmetic; hybrid turbo code; HTC; Weierstrass elliptic curve interleaver; WECI.

DOI: 10.1504/IJESDF.2022.121181

International Journal of Electronic Security and Digital Forensics, 2022 Vol.14 No.2, pp.165 - 187

Received: 04 Oct 2020
Accepted: 12 Apr 2021
Published online: 28 Feb 2022 *

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