A Study on Encryption and Decryption System

Abstract

The presented document aims to review the methodologies used for cryptography. Cryptography, a Greek word meaning 'protected data with an unreadable format' has become the need of the hour. In the world of digitalization, cyber attacks, data leaks have become prominent. In order to prevent the same, data cryptography is highly in demand. Various techniques have been applied for the same. One such algorithm, RSA algorithm is another most significant method. However, its computation time has remained an unresolved concern. This paper discusses one such method to modify the following algorithm to reduce its space-time complexity.