"Version: 20180401"--Title page verso.Includes bibliographical references.1. Optical information security systems based on a gyrator wavelet transform -- 1.1. Introduction -- 1.2. Theory -- 1.3. Applications of a gyrator wavelet transform -- 1.4. Conclusion2. Optical one-way hash function -- part A. Introduction to the one-way hash function -- A.1. One-way hash function--acquire the 'fingerprin…