TY - BOOK AU - Fadia Ali Khan (3200) TI - A novel substitution box and its application in digital image encryption scheme U1 - 621.31 PY - 2023/// CY - Islamabad PB - (Unpublished) KW - Electrical engineering KW - Brownian particles motion KW - Orthogonal matrix KW - Image encryption KW - FEAS N1 - Submitted in partial fulfillment of the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 ER -