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Unleashing the Power of a Novel Lightweight Lattice-Based CP-ABE for Robust IoT Data Transmission
Kranthi Kumar Singamaneni, Mahesh T. R., Vinoth Kumar V., Amandeep Singh K., Balajee J. and E. Mohan

The exponential growth of the Internet of Things (IoT) usage for real-time applications has made it necessary to implement stringent security measures to protect sensitive data that is communicated and stored by IoT devices. These procedures are designed to prevent unauthorized access. In this research work, we investigate how the Internet of Things (IoT) could benefit from the implementation of a revolutionary lightweight Cipher-Text Attribute-Based Encryption (CP-ABE) system that is rooted in lattice cryptography. We dive into the complexities of lattice-based cryptography and evaluate its viability in contexts where there is limited access to resources related to the Internet of Things (IoT). In addition, we carry out a thorough analysis of the ABE methods that are currently in use, paying particular attention to how effective they are and how easily they may be scaled. Our contribution consists of the development of a novel lightweight lattice-based CP-ABE system that is specifically optimized for Internet of Things installations. According to the findings of our research, it has the potential to considerably bolster the security of the Internet of Things. We provide empirical data that is drawn from applications that take place in the actual world to back up these arguments. Our major purpose is to present a revolutionary CP-ABE approach that was designed to improve the security of the Internet of Things, and this objective will be supported by compelling experimental data in terms of encipherment and decipherment times, key generation times of existing models with the proposed model. According to the results, we have concluded that the computational overhead of the proposed model is roughly 30% lower than that of the existing models, and that the efficiency of providing security is 20% higher in the proposed model than in the existing models.

Keywords: Access control, Attribute-based encryption (ABE), Computational efficiency, IoT security, Lattice-based cryptography, Lightweight lattice-based CP-ABE, Post-quantum security, Resource-constrained IoT environments