DNA algorithm for breaking a propositional logic based cryptosystem

This is to certify that this thesis titled " DNA Cryptology: A Brief Survey And A DNA Algorithm For Breaking A Propositional Logic Based Cryptosystem " submitted by Bireswar Das towards partial fulfillment of requirements for the degree of M.Tech. in Computer Science at Indian Statistical Institute, Kolkata embodies the work done under my supervision. i Acknowledgments I take pleasure in thanking Dr. Rana Barua for his guidance, advice, encouragement and highly helpful criticism throughout the dissertation period. His pleasant and encouraging words have always kept my spirits up. I would also like to thank Dr. Rani Siromoney for motivating me into this field and for granting me permission to include the paper [24] in this thesis. My felicitation also goes to Shantanu Das for providing me all the help during the period I worked.