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In the infancy of Cryptography Mono-alphabetic Substitution Ciphers were considered good enough to baffle any potential attackers but with the advancements in technology & the upsurge of computing power those methods have become trivial. Even the very complex methods of encryption are vulnerable to the brute force attacks of contemporary computers and with Quantum computing on the horizon even the current state of the art cryptosystems are at risk. Lots of research is being done and everydoi:10.15623/ijret.2015.0403018 fatcat:i4rcgbvlvndojltjdzseo3ks5y