A Survey of Authentication Protocols for Enhancing Security in Underwater Communication Systems

The growing importance of underwater communication systems spans various domains, including military operations, environmental monitoring, and resource exploration. However, the unique characteristics of the underwater environment, such as signal attenuation, limited bandwidth, and fluctuating channel conditions, pose significant challenges to ensuring reliable and secure communication. This study presents an in-depth exploration of authentication protocols aimed at securing underwater communication systems, focusing on key aspects of system performance. The proposed framework incorporates advanced communication methods, including acoustic, optical, and electromagnetic techniques, to enhance data transmission efficiency. Additionally, a comparative analysis of recent research highlights the progress, strengths, and limitations of current underwater communication technologies, emphasizing developments in deep learning applications, adaptive protocols, and energy-efficient solutions. The study also addresses critical challenges like energy limitations, environmental variability, and the resilience of protocols in dynamic underwater environments. Overcoming these challenges is crucial for improving the reliability, scalability, and security of communication systems in complex underwater conditions.