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This is the free electronic version of the book originally published by HarperCollins. The book is still protected by copyright and bound by a license granting you the limited rights to make complete copies for non-commercial purposes.You’re welcome to read it in electronic form subject to these conditions: 1) You may not make derivative works. You must reproduce the work in its entirety. 2) You may not sell versions. 3) You refer everyone receiving a copy to the website where they may get the latest corrected version. (http://www.wayner.org/books/ffa/). A full license developed by the Creative Commons (www.creativecommons.org) will be. | Free for All How Linux and the Free Software Movement Undercut the High-Tech Titans by Peter Wayner This is the free electronic version of the book originally published by HarperCollins. The book is still protected by copyright and bound by a license granting you the limited rights to make complete copies for non-commercial purposes.You re welcome to read it in electronic form subject to these conditions 1 You may not make derivative works. You must reproduce the work in its entirety. 2 You may not sell versions. 3 You refer everyone receiving a copy to the website where they may get the latest corrected version. http www.wayner.org books ffa . A full license developed by the Creative Commons www.creativecommons.org will be forthcoming. Please write p3@wayner.org if you have any questions or suggestions. Disappearing Cryptography Information Hiding Steganography Watermarking by Peter Wayner ISBN 1-55860-769-2 44.95 To order visit http www.wayner.org books discrypt2 Disappearing Cryptography Second Edition describes how to take words sounds or images and hide them in digital data so they look like other words sounds or images. When used properly this powerful technique makes it almost impossible to trace the author and the recipient of a message. Conversations can be submerged in the flow of information through the Internet so that no one can know if a conversation exists at all. This full revision of the best-selling first edition describes a number of different techniques to hide information. These include encryption making data incomprehensible steganography embedding information into video audio or graphics files watermarking hiding data in the noise of image or sound files mimicry dressing up data and making it appear to be other data and more. 2nd Edition Disappearing Cryptography is a witty and entertaining look at the world of information hiding. Peter Wayner provides an intuitive perspective of the many techniques applications and research directions in the
