Qualitative and Quantitative Analysis of Modifications in Playfair Cipher
摘要
Security in digital world has become a paramount issue, even more so in the post pandemic world when the digital footprint of the world has increased. Multiple encryption techniques are used to ensure the same. Certain famous classical ciphers which were in prevalent use during ancient times are now not robust enough to keep up with security requirements of modern world. This paper analyses the different modifications proposed to one such cipher i.e., Playfair Cipher and how these modifications enhance it’s performance thus making it usable in modern world.