IMAGE STEGANOGRAPHY USING IMPROVED LSB AND EXOR ENCRYPTION ALGORITHM Dissertation submitted in partial fulfillment of the requirements for the award of degree of Master of Technology in Computer Science and Applications Submitted By Sandeep Kumar (Roll No. 601203024) Under the supervision of Ms.Vineeta Bassi Assistant Professor (SMCA) SCHOOL OF MATHEMATICS AND COMPUTER APPLICATIONS THAPAR UNIVERSITY PATIALA – 147004 JULY 2014