Quantum-Resistant Cryptography: Safeguarding E-Governance in the Era of Quantum Computing

Abstract

Strong security is necessary for e-governance because of the volume of sensitive data it handles. Strong security measures are required to safeguard sensitive personal data since e-governance is becoming more and more important for essential services like voting, healthcare, and banking. But there's a drawback to quantum computing: its enormous processing power may be able to crack encryption systems in place now, leaving sensitive data exposed.  Since quantum computing is capable of breaking existing encryption techniques, it presents a serious threat. This paper suggests a quantum-resistant approach that uses smart cards to authenticate passwords between users and servers. The proposed methodology was implemented and analysed in comparison with other similar models and based on a framework. The results show that the proposed model was more efficient than the other models. Protecting the fundamentals of digital security against the potential paradigm shift posed by the development of large-scale, fault-tolerant quantum computers is the primary goal of quantum-resistant encryption. Through the use of smart cards and post-quantum cryptography (PQC) methods, system security can be improved in the face of potential advances in quantum computing. This approach protects vital e-governance infrastructure and citizen data by providing strong data security, and secure authentication.