00869nam a22001937a 4500 0 0 0 1 RIU RIU 2023-09-09 Riphah International University 0 621.31 FAD 102020 2023-09-09 00:00:00 1 2023-09-09 TH 53244 53244 Riphah International University 621.31 FAD Fadia Ali Khan (3200) A novel substitution box and its application in digital image encryption scheme Islamabad (Unpublished) 2023 xix, 114 p. : ill. ; 30 cm. +CD Submitted in partial fulfillment of the requirements for the degree of Doctor of philosophy in Electrical engineering to the department of applied sciences. Includes bibliographical references Thesis supervisor: Prof. Dr. Jameel Ahmed Thesis (PhD)--Riphah International University, 2023 English Electrical engineering Brownian particles motion Orthogonal matrix Image encryption FEAS TH