Affiliation:
1. Department of Electronics and Communication Engineering, SRM Institute of Science and Technology, Chennai, India
2. Department of Computer Science, University of Colorado, Boulder, USA
Abstract
Safeguarding confidential information from unwanted access is of utmost importance in the current age of digital interactions and knowledge sharing. This chapter explores the complex world of encryption techniques and how important they are to maintaining data privacy. The study examines the evolution of encryption historically over time, following its origins from traditional cryptography to the present modern methodologies for cryptography, showcasing the mathematical frameworks that support their security. Further, it focuses on the difficulties that encryption protocols have to deal with in light of cutting-edge technology like quantum computing, which could endanger established cryptographic techniques. The ethical and legal implications of encryption and data privacy are a crucial component. With the results of historical investigations, technical difficulties, and ethical issues taken into account, the study offers a road map for improving data privacy in the digital era.