INFORMATION HIDING: TECHNIQUES FOR STEGANOGRAPHY AND DIGITAL WATERMARKING
TABLE OF CONTENTS CHAPTER 1 INTRODUCTION TO INFORMATION HIDING 1 PART I SECRET WRITING AND STEGANOGRAPHY 17 CHAPTER 2 PRINCIPLES OF STEGANOGRAPHY 18 CHAPTER 3 A SURVEY OF STEGANOGRAPHIC TECHNIQUES 43 CHAPTER 4 STEGANALYSIS 79 PART II WATERMARKING AND COPYRIGHT PROTECTION 94 CHAPTER 5 INTRODUCTION TO WATERMARKING TECHNIQUES 95 CHAPTER 6 A SURVEY OF CURRENT WATERMARKING TECHNIQUES 119 CHAPTER 7 ROBUSTNESS OF COPYRIGHT MARKING SYSTEMS 147 CHAPTER 8 FINGERPRINTING 173 CHAPTER 9 COPYRIGHT ON THE INTERNET AND WATERMARKING 189 CHAPTER 1 INTRODUCTION TO INFORMATION HIDING FABIEN A P PETITCOLAS AS AUDIO VIDEO AND OTHER WORKS BECOME AVAILABLE IN DIGITAL FORM THE EASE WITH WHICH PERFECT COPIES CAN BE MADE MAY LEAD TO LARGE SCALE UNAUTHORIZED COPYING WHICH MIGHT UNDERMINE THE MUSIC FILM BOOK AND SOFTWARE PUBLISHING INDUSTRIES THESE CONCERNS OVER PROTECTING COPYRIGHT HAVE TRIGGERED SIGNIFICANT RESEARCH TO FIND WAYS TO HIDE COPYRIGHT MESSAGES AND SERIAL NUMBERS INTO DIGITAL MEDIA THE IDEA IS THAT THE LATTER CAN HELP TO IDENTIFY COPYRIGHT VIOLATORS AND THE FORMER TO PROSECUTE THEM AT THE SAME TIME MOVES BY VARIOUS GOVERNMENTS TO RESTRICT THE AVAILABILITY OF ENCRYPTION SERVICES HAVE MOTIVATED PEOPLE TO STUDY METHODS BY WHICH PRIVATE MESSAGES CAN BE EMBEDDED IN SEEMINGLY INNOCUOUS COVER MESSAGES THERE ARE A NUMBER OF OTHER APPLICATIONS DRIVING INTEREST IN THE SUBJECT OF INFORMATION HIDING AND WE WILL DESCRIBE SOME OF THEM IN THIS CHAPTER TO SHOW HOW BROAD THIS TOPIC IS BUT BEFORE DOING THIS WE WILL INTRODUCE THE MAIN SUBDISCIPLINES OF INFORMATION HIDING RELATED TO COMPUTER SYSTEMS AND GIVE A BRIEF HISTORY OF THIS FASCINATING AREA OF RESEARCH 1 1 MAIN SUBDISCIPLINES OF INFORMATION HIDING COVERT CHANNELS HAVE BEEN DEFINED BY LAMPSON 1 IN THE CONTEXT OF MULTILEVEL SECURE SYSTEMS E G MILITARY COMPUTER SYSTEMS AS COMMUNICATION PATHS THAT WERE NEITHER DESIGNED NOR INTENDED TO TRANSFER INFORMATION AT ALL THESE CHANNELS ARE 1