by: Peter Wayner publisher: Morgan Kaufmann released: 2008-12-26 ISBN: 0123744792 Price: $59.95 Buy Now!
Description
Cryptology is the practice of hiding digital information by means of various obfuscatory and steganographic techniques. The application of said techniques facilitates message confidentiality and sender/receiver identity authentication, and helps to ensure the integrity and security of computer passwords, ATM card information, digital signatures, DVD and HDDVD content, and electronic commerce. Cryptography is also central to digital rights management (DRM), a group of techniques for technologically controlling the use of copyrighted material that is being widely implemented and deployed at the behest of corporations that own and create revenue from the hundreds of thousands of mini-transactions that take place daily on programs like iTunes.
This new edition of our best-selling book on cryptography and information hiding delineates a number of different methods to hide information in all types of digital media files. These methods include encryption, compression, data embedding and watermarking, data mimicry, and scrambling. During the last 5 years, the continued advancement and exponential increase of computer processing power have enhanced the efficacy and scope of electronic espionage and content appropriation. Therefore, this edition has amended and expanded outdated sections in accordance with new dangers, and includes 5 completely new chapters that introduce newer more sophisticated and refined cryptographic algorithms and techniques (such as fingerprinting, synchronization, and quantization) capable of withstanding the evolved forms of attack.
Each chapter is divided into sections, first providing an introduction and high-level summary for those who wish to understand the concepts without wading through technical explanations, and then presenting concrete examples and greater detail for those who want to write their own programs. This combination of practicality and theory allows programmers and system designers to not only implement tried and true encryption procedures, but also consider probable future developments in their designs, thus fulfilling the need for preemptive caution that is becoming ever more explicit as the transference of digital media escalates.
* Includes 5 completely new chapters that delineate the most current and sophisticated cryptographic algorithms, allowing readers to protect their information against even the most evolved electronic attacks.
* Conceptual tutelage in conjunction with detailed mathematical directives allows the reader to not only understand encryption procedures, but also to write programs which anticipate future security developments in their design.
* Grants the reader access to online source code which can be used to directly implement proven cryptographic procedures such as data mimicry and reversible grammar generation into their own work. Buy Now!
5 customer reviews (average rating: )
Accessible introduction to a fascinating topic. August 12, 2006
This is a very easy read that does not really assume much about the reader other than mathematical maturity at the precalculus level, knowledge of programming in a higher level language, and a curiosity about hiding information in such things as images. In fact, I bought this book to get a grasp on how to hide a watermark in an image. The early chapters are devoted to material that forms the basic toolkit for steganography - private key encryption, secret sharing, and error correcting codes. The later chapters describe how to apply these techniques in various ways to hide information.
Chapter 5 discusses common data compression algorithms, not to the point that you could write an encoder/decoder system, but so that you know which allow perfect reconstruction and which do not. Compression leads to the topic of mimicry, which is the subject of chapter 6. Basic mimicry produces text that looks statistically similar to the original text but is far from perfect. Chapter 7 shows methods of improving mimicry techniques so that the mimicked text not only passes statistical tests for similarity to the original, but passes rules for grammar. This leads to the concept of context free grammars and their role in mimicry. Thus, you can hide data in realistic sounding text.
Chapter 8 concentrates on a robust and complete model known as the Turing machine. Such a machine hides data as it "runs forward", while running the machine in reverse allows the hidden data to be recovered. Certain proofs show that this is a stronger data hiding model than those previously discussed.
Chapter nine discusses a more image-processing related data hiding topic - hiding in the noise. What appears as noise to the untrained eye can actually be a message. Of course, the flip side of this is "real" noise has the power to obscure the hidden message.
Chapter 10 discusses anonymous remailers, which is the deletion of the name of the originator of a message by an intermediate node. Such systems can range from very secure to very insecure depending on strategies involved. Chapter 11,"Secret Broadcasts", is a companion chapter on how to broadcast a message so that everyone can read it but nobody knows the source. The solution lies in the "Dining Cryptographers" algorithm, and this solution is discussed at length.
Chapter 12, "Keys", discusses message keys as extensions to the concept of keys in basic cryptography, which was discussed earlier in the book. Adding keys to any algorithm discussed up to this point makes that algorithm stronger. Chapter 13, "Ordering and Reordering", discusses how steganography strategies might be disrupted by reordering parts of a message, and discusses methods that might prevent this from being a problem.
Chapter 14, "Spreading", is a more mathematical chapter than the preceding ones and takes a different approach to the problem of information hiding. It takes ideas from spread spectrum radio and applies them to steganography. This is the one chapter where a knowledge of calculus, Fourier transforms, and even wavelets will be helpful.
The last three chapters, "Synthetic Worlds", "Watermarks", and "Steganalysis" are short and more subjective than previous ones, mainly giving the reader a broad overview of these topics.
The book has a wealth of algorithms, equations, and simple examples. There is even a very basic Java mimicry program in the appendix. However, this is not a programming book full of ready to implement solutions - you will have to do that yourself. There are numerous references to web addresses where you can find both executable and source code for implementing some of the algorithms mentioned in this book. I would say if you are interested in hiding information in data of any kind - text, sound, imagery, etc. - then this book is essential reading. I highly recommend it. Buy Now!
One year after purchase, I keep opening this book. August 18, 2003
All in all just a fascinating book on a fascinating topic. In general, the introductory parts of each chapter are accessible to anyone with a standard 12 year education. The mathematics are best understood by people with a background in algebra and statistics at the American High School level, but not much more. If you buy this book, expect John Ashcroft to put your name on a list of people buying dangerous published works (and with the Patriot Act in place, I am neither paranoid nor joking). The best chapter is the one about encoding information in ordered lists. This book taught me how to include a one line hidden message in a 50 item list of my favorite Country and Western Songs of all time (and THAT is a cool thing to do). Buy Now!
Excelent book. February 12, 2003
I read the entire book from first to last page and enjoyed the content absolutely. The book has theory and practice, clear examples and many references to free and open source software to make tests. The math part has razonable level (not too much, not to little). I have no found anything better in the area. Good for Peter Wayner!
You know you are a crypto geek when..... September 30, 2002
This book is a great introduction to learning how to hide data in places most people wouldn't think about looking. Sample code and various URL's are provided for places to start, this not the easiest subject to grasp, but the book helps put it at a manageable level.
This is a deep, serious book about making information transmogrify, even if there are a few silly parts. I liked the funny parts and they reminded me of Goedel Escher and Bach Buy Now!
This book constitutes the refereed proceedings of the First European Conference on Intelligence and Security Informatics, EuroISI 2008, held in Esbjerg, Denmark, in December 2008.
The 23 revised full papers and 2 revised poster papers presented were carefully reviewed and selected from 48 submissions. The papers are organized in topical sections on criminal and social network analysis, intelligence analysis and knowledge discovery, Web-based intelligence monitoring and analysis, privacy protection, access control, and digital rights management, malware and intrusion detection, as well as surveillance and crisis management.
This book constitutes the thoroughly refereed post-workshop proceedings of the 10th International Workshop on Information Hiding, IH 2008, held in Santa Barbara, CA, USA, in May 2008.
The 25 revised full papers presented were carefully reviewed and selected from 64 submissions. The papers are organized in topical sections on anonymity and privacy, steganography, forensics, novel technologies and applications, watermarking, steganalysis, other hiding domains, network security, and fingerprinting.
This book constitutes the best papers of the Third International Conference on E-business and Telecommunication Networks, ICETE 2006, held in Set?bal, Portugal, August 7-10, 2006.
The 29 revised full papers presented were carefully reviewed and selected from 326 submissions. The papers are organized in four parts according to their conferences: ICE-B, SECRYPT, SIGMAP and WINSYS.
Multimedia can be defined to be the combination and integration of more than one media format (e.g., text, graphics, images, animation, audio and video) in a given application. Content owners (e.g., movie studios and recording companies) have identified two major technologies for the protection of multimedia data: encryption and watermarking. Encryption is a procedure that renders the contents of a multimedia element unintelligible to unauthorized people. Digital watermarking has received increasing attention in recent years. Image watermarking is the process of embedding an invisible watermark in an image in order to make it very difficult to remove the watermark after intentional attacks and normal audio/visual processes. Distribution of movies, music, and images is now faster and easier via computer technology, especially on the Internet. Buy Now!
Since the mid 1990s, data hiding has been proposed as an enabling technology for securing multimedia communication, and is now used in various applications including broadcast monitoring, movie fingerprinting, steganography, video indexing and retrieval, and image authentication. Data hiding and cryptographic techniques are often combined to complement each other, thus triggering the development of a new research field of multimedia security. Besides, two related disciplines, steganalysis and data forensics, are increasingly attracting researchers and becoming another new research field of multimedia security. This journal, LNCS Transactions on Data Hiding and Multimedia Security, aims to be a forum for all researchers in these emerging fields, publishing both original and archival research results.
This third issue contains five contributions in the areas of steganography and digital watermarking. The first two papers deal with the security of steganographic systems; the third paper presents a novel image steganographic scheme. Finally, this volume includes two papers that focus on digital watermarking and data hiding. The fourth paper introduces and analyzes a new covert channel and the fifth contribution analyzes the performance of additive attacks against quantization-based data hiding methods.
The arrival, and continuing evolution, of high quality 3D objects has been made possible by recent progress in 3D scanner acquisition and 3D graphics rendering. With this increasing quality comes a corresponding increase in the size and complexity of the data files and the necessity for advances in compression techniques. Effective indexing to facilitate the retrieval of the 3D data is then required to efficiently store, search and recapture the objects that have been compressed. The application of 3D images in fields such as communications, medicine and the military also calls for copyright protection, or watermarking, to secure the data for transmission.
Written by expert contributors, this timely text brings together the three important and complementary topics of compression, retrieval and watermarking techniques for 3D objects. 3D object processing applications are developing rapidly and this book tackles the challenges and opportunities presented, focusing on the secure transmission, sharing and searching of 3D objects on networks, and includes:
an introduction to the commonly used 3D representation schemes; the characteristics, advantages and limitations of polygonal meshes, surface based models and volumetric models;
3D compression techniques; the 3D coding and decoding schemes for reducing the size of 3D data to reduce transmission time and minimize distortion;
state of the art responses to the intrinsic challenges of building a 3D-model search engine, considering view-based, structural and full-3D approaches;
watermarking techniques for ensuring intellectual property protection and content security without altering the visual quality of the 3D object.
3D Object Processing: Compression, Indexing and Watermarking is an invaluable resource for graduate students and researchers working in signal and image processing, computer aided design, animation and imaging systems. Practising engineers who want to expand their knowledge of 3D video objects, including data compression, indexing, security, and copyrighting of information, will also find this book of great use.
by: Franco A. Del Colle, Juan Carlos Gomez publisher: Graduate Network of Argentine Universities with Computer Science Schools (RedUNCI) released: 2008-11-14 Price: $9.95 Buy Now!
Description
This digital document is an article from Journal of Computer Science & Technology, published by Graduate Network of Argentine Universities with Computer Science Schools (RedUNCI) on April 1, 2008. The length of the article is 4905 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.
Citation Details Title: DWT based digital watermarking fidelity and robustness evaluation. Author: Franco A. Del Colle Publication:Journal of Computer Science & Technology (Magazine/Journal) Date: April 1, 2008 Publisher: Graduate Network of Argentine Universities with Computer Science Schools (RedUNCI) Volume: 8 Issue: 1 Page: 15(6)
Distributed by Gale, a part of Cengage Learning Buy Now!
by: Franco A. Del Colle, Juan Carlos Gomez publisher: Springer released: 2008-02-25 ISBN: 354077369X Price: $79.95 Buy Now!
Description
This book constitutes the thoroughly refereed post-proceedings of the 9th International Workshop on Information Hiding, IH 2007, held in Saint Malo, France, in June 2007.
The 25 revised full papers presented were carefully reviewed and selected from 105 submissions. The papers are organized in topical sections on new steganographic schemes, watermarking schemes, computer security, steganography and code theory, watermarking security, steganalysis, watermarking and re-synchronization, fingerprinting, forensics, and steganalysis.
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