DYNAMIC MULTI-KEY AUTHENTICATION FOR IOT SYSTEM USING SECURE VAULTS

Information Science Engineering

The Internet of Things (IoT) is rapidly advancing, bringing with it the need for robust and scalable security frameworks. This paper presents a novel Dynamic Multi-Key Authentication (DMKA) system, which uses secure vaults to enhance authentication in IoT environments. In this framework, users register with an authority node, which verifies the registration, generates a certificate, and creates multiple encryption keys using SHA and RSA algorithms. These certificates are stored in a secure cloud and accessed via Raspberry Pi-based systems. Upon request, the user presents the certificate and receives an OTP encrypted with a public key. If verified, a session key is issued to access the IoT device. This system addresses major security issues like information leakage, unauthorized access, and poor reliability found in existing protocols. The approach is validated through a working prototype and systematic testing, demonstrating its reliability and efficiency. This paper also explores future enhancements including AI-based threat detection and post-quantum cryptography integration.

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