Design of Reversible Gate-Based Fingerprint Authentication System in Quantum-Dot Cellular Automata for Secure Nanocomputing

Abstract

The issues faced by CMOS technology in the nanoregime has led to the research of other possible technologies which can operate with same functionalities, however, with higher speed and lower power dissipation. One such technology is quantum-dot cellular automata (QCA). In this paper, QCA and reversible logic have been combined to design a 2 × 2 Feynman reversible gate-based fingerprint authentication system (FSA). An 8 × 8 size input fingerprint image is compared with the images present in the database and upon successful match, the FSA gives an output of logic ‘1’ to confirm the match. Based on the performance analysis, it is shown that the proposed design achieves performance improvement of up to 89.05% compared to the previously reported design with respect to various parameters such as cell count, area, quantum cost, etc.