Codes and Ciphers

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Author :
Publisher : Cambridge University Press
ISBN 13 : 9780521008907
Total Pages : 254 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Codes and Ciphers by : R. F. Churchhouse

Download or read book Codes and Ciphers written by R. F. Churchhouse and published by Cambridge University Press. This book was released on 2002 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Publisher Description

Secret Code Book: Substitution Ciphers

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Author :
Publisher : Lulu.com
ISBN 13 : 1387346083
Total Pages : 58 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Secret Code Book: Substitution Ciphers by : John Redden

Download or read book Secret Code Book: Substitution Ciphers written by John Redden and published by Lulu.com. This book was released on 2017-09-02 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Secret Code Book is a short introduction to substitution ciphers. The chapters ease young readers into the concept of rotation ciphers and work their way up to the Vigenère cipher. Along the way, readers will also learn about geometric approaches to secret codes such as the Pigpen cipher. As a bonus, there is a brief description of frequency analysis and how it is used to crack secret codes. frper gpbqr obbx In addition, this book actively challenges readers with practice missions where answers are listed in the back. Also, there is a cut-out rotation template that is provided to make your very own cipher disk! After reading this book, you will have all the basic tools needed to create secret messages.

Codes, Ciphers and Secret Writing

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Author :
Publisher : Courier Corporation
ISBN 13 : 9780486247618
Total Pages : 100 pages
Book Rating : 4.2/5 (476 download)

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Book Synopsis Codes, Ciphers and Secret Writing by : Martin Gardner

Download or read book Codes, Ciphers and Secret Writing written by Martin Gardner and published by Courier Corporation. This book was released on 1984-01-01 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains various methods used in cryptography and presents examples to help readers in breaking secret codes

Fun with Codes and Ciphers Workbook

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Publisher : Courier Corporation
ISBN 13 : 9780486254050
Total Pages : 54 pages
Book Rating : 4.2/5 (54 download)

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Book Synopsis Fun with Codes and Ciphers Workbook by : Norma Gleason

Download or read book Fun with Codes and Ciphers Workbook written by Norma Gleason and published by Courier Corporation. This book was released on 1987-01-01 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.

Stream Ciphers and Number Theory

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Author :
Publisher : Elsevier
ISBN 13 : 0080541844
Total Pages : 446 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Stream Ciphers and Number Theory by : T.W. Cusick

Download or read book Stream Ciphers and Number Theory written by T.W. Cusick and published by Elsevier. This book was released on 1998-04-20 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is almost entirely concerned with stream ciphers, concentrating on a particular mathematical model for such ciphers which are called additive natural stream ciphers. These ciphers use a natural sequence generator to produce a periodic keystream. Full definitions of these concepts are given in Chapter 2. This book focuses on keystream sequences which can be analysed using number theory. It turns out that a great deal of information can be deducted about the cryptographic properties of many classes of sequences by applying the terminology and theorems of number theory. These connections can be explicitly made by describing three kinds of bridges between stream ciphering problems and number theory problems. A detailed summary of these ideas is given in the introductory Chapter 1. Many results in the book are new, and over seventy percent of these results described in this book are based on recent research results.

Codes and Ciphers - A History of Cryptography

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Author :
Publisher : Read Books Ltd
ISBN 13 : 1473350913
Total Pages : 153 pages
Book Rating : 4.4/5 (733 download)

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Book Synopsis Codes and Ciphers - A History of Cryptography by : Alexander D'Agapeyeff

Download or read book Codes and Ciphers - A History of Cryptography written by Alexander D'Agapeyeff and published by Read Books Ltd. This book was released on 2016-08-26 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: This vintage book contains Alexander D’Agapeyeff’s famous 1939 work, Codes and Ciphers - A History of Cryptography. Cryptography is the employment of codes and ciphers to protect secrets, and it has a long and interesting history. This fantastic volume offers a detailed history of cryptography from ancient times to modernity, written by the Russian-born English cryptographer, Alexander D'Agapeyeff. The contents include: - The beginnings of Cryptography - From the Middle Ages Onwards - Signals, Signs, and Secret Languages - Commercial Codes - Military Codes and Ciphers - Types of Codes and Ciphers - Methods of Deciphering Many antiquarian texts such as this, especially those dating back to the 1900s and before, are increasingly hard to come by and expensive, and it is with this in mind that we are republishing this book now in an affordable, modern, high quality edition. It comes complete with a specially commissioned new biography of the author.

Stream Ciphers and Number Theory

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Author :
Publisher : Elsevier
ISBN 13 : 0080541836
Total Pages : 493 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Stream Ciphers and Number Theory by : Thomas W. Cusick

Download or read book Stream Ciphers and Number Theory written by Thomas W. Cusick and published by Elsevier. This book was released on 2004-02-17 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the unique book on cross-fertilisations between stream ciphers and number theory. It systematically and comprehensively covers known connections between the two areas that are available only in research papers. Some parts of this book consist of new research results that are not available elsewhere. In addition to exercises, over thirty research problems are presented in this book. In this revised edition almost every chapter was updated, and some chapters were completely rewritten. It is useful as a textbook for a graduate course on the subject, as well as a reference book for researchers in related fields. · Unique book on interactions of stream ciphers and number theory. · Research monograph with many results not available elsewhere. · A revised edition with the most recent advances in this subject. · Over thirty research problems for stimulating interactions between the two areas. · Written by leading researchers in stream ciphers and number theory.

The Adventure of the Dancing Men and Other Sherlock Holmes Stories

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Publisher : Courier Corporation
ISBN 13 : 0486110915
Total Pages : 83 pages
Book Rating : 4.4/5 (861 download)

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Book Synopsis The Adventure of the Dancing Men and Other Sherlock Holmes Stories by : Sir Arthur Conan Doyle

Download or read book The Adventure of the Dancing Men and Other Sherlock Holmes Stories written by Sir Arthur Conan Doyle and published by Courier Corporation. This book was released on 2012-02-29 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: Title story plus three others featuring the peerless sleuth and his faithful sidekick: "The Adventure of the Dying Detective," "The Musgrave Ritual" and "The Adventure of the Bruce-Partington Plans."

The First Book of Codes and Ciphers

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Author :
Publisher : Franklin Watts
ISBN 13 :
Total Pages : 70 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The First Book of Codes and Ciphers by : Sam Epstein

Download or read book The First Book of Codes and Ciphers written by Sam Epstein and published by Franklin Watts. This book was released on 1956 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains the difference between the two principal methods of secret writing: codes (which use symbols for whole words) and ciphers (which use symbols for different letters of the alphabet); also gives examples throughout history of each.

Codes, Ciphers and Spies

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Author :
Publisher : Springer
ISBN 13 : 3319294156
Total Pages : 284 pages
Book Rating : 4.3/5 (192 download)

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Book Synopsis Codes, Ciphers and Spies by : John F. Dooley

Download or read book Codes, Ciphers and Spies written by John F. Dooley and published by Springer. This book was released on 2016-03-31 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: When the United States declared war on Germany in April 1917, it was woefully unprepared to wage a modern war. Whereas their European counterparts already had three years of experience in using code and cipher systems in the war, American cryptologists had to help in the building of a military intelligence unit from scratch. This book relates the personal experiences of one such character, providing a uniquely American perspective on the Great War. It is a story of spies, coded letters, plots to blow up ships and munitions plants, secret inks, arms smuggling, treason, and desperate battlefield messages. Yet it all begins with a college English professor and Chaucer scholar named John Mathews Manly. In 1927, John Manly wrote a series of articles on his service in the Code and Cipher Section (MI-8) of the U.S. Army’s Military Intelligence Division (MID) during World War I. Published here for the first time, enhanced with references and annotations for additional context, these articles form the basis of an exciting exploration of American military intelligence and counter-espionage in 1917-1918. Illustrating the thoughts of prisoners of war, draftees, German spies, and ordinary Americans with secrets to hide, the messages deciphered by Manly provide a fascinating insight into the state of mind of a nation at war.

Partition-Based Trapdoor Ciphers

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Author :
Publisher : BoD – Books on Demand
ISBN 13 : 9535133861
Total Pages : 94 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Partition-Based Trapdoor Ciphers by : Arnaud Bannier

Download or read book Partition-Based Trapdoor Ciphers written by Arnaud Bannier and published by BoD – Books on Demand. This book was released on 2017-09-07 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: Block encryption algorithms are now the most widely used cipher systems in the world to protect our communications and our data. Despite the fact that their design is open and public, there is absolutely no guarantee that there do not exist hidden features, at the mathematical design level, that could enable an attacker to break those systems in an operational way. Such features are called backdoors or trapdoors. The present book intends to address the feasibility of a particular class of such backdoors based on partitionning the plaintext and ciphertext message spaces. Going from the theory to the practical aspects, it is shown that mathematical backdoors in encryption systems are possible. This book, thus, intends to initiate a new field of research.

Implementation and Analysis of Ciphers in Quantum Computing

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Author :
Publisher : Springer Nature
ISBN 13 : 9819700256
Total Pages : 160 pages
Book Rating : 4.8/5 (197 download)

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Book Synopsis Implementation and Analysis of Ciphers in Quantum Computing by : Anubhab Baksi

Download or read book Implementation and Analysis of Ciphers in Quantum Computing written by Anubhab Baksi and published by Springer Nature. This book was released on with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mathematical Ciphers

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Author :
Publisher : American Mathematical Soc.
ISBN 13 : 0821837303
Total Pages : 170 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Mathematical Ciphers by : Anne L. Young

Download or read book Mathematical Ciphers written by Anne L. Young and published by American Mathematical Soc.. This book was released on 2006 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt: "A cipher is a scheme for creating coded messages for the secure exchange of information. Throughout history, many different coding schemes have been devised. One of the oldest and simplest mathematical systems was used by Julius Caesar. This is where Mathematical Ciphers begins. Building on that simple system, Young moves on to more complicated schemes, ultimately ending with the RSA cipher, which is used to provide security for the Internet. This book is structured differently from most mathematics texts. It does not begin with a mathematical topic, but rather with a cipher. The mathematics is developed as it is needed; the applications motivate the mathematics. As is typical in mathematics textbooks, most chapters end with exercises. Many of these problems are similar to solved examples and are designed to assist the reader in mastering the basic material. A few of the exercises are one-of-a-kind, intended to challenge the interested reader. Implementing encryption schemes is considerably easier with the use of the computer. For all the ciphers introduced in this book, JavaScript programs are available from the Web. In addition to developing various encryption schemes, this book also introduces the reader to number theory. Here, the study of integers and their properties is placed in the exciting and modern context of cryptology. Mathematical Ciphers can be used as a textbook for an introductory course in mathematics for all majors. The only prerequisite is high school mathematics."--Jacket.

Ciphers, Codes, Algorithms, and Keys

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Author :
Publisher : The Rosen Publishing Group, Inc
ISBN 13 : 1508173079
Total Pages : 64 pages
Book Rating : 4.5/5 (81 download)

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Book Synopsis Ciphers, Codes, Algorithms, and Keys by : Laura La Bella

Download or read book Ciphers, Codes, Algorithms, and Keys written by Laura La Bella and published by The Rosen Publishing Group, Inc. This book was released on 2016-12-15 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: As handy and useful as it is to communicate with smartphones, email, and texts, not to mention paying bills and doing banking online, all these conveniences mean that a great deal of our sensitive, personal information needs to be protected and kept secret. Readers can anticipate an intriguing overview of the ciphers, codes, algorithms, and keys used in real-life situations to keep peoples’ information safe and secure. Examples of how to use some types of cryptography will challenge and intrigue.

Codes, Ciphers and Secret Writing

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Author :
Publisher : Courier Corporation
ISBN 13 : 0486320316
Total Pages : 100 pages
Book Rating : 4.4/5 (863 download)

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Book Synopsis Codes, Ciphers and Secret Writing by : Martin Gardner

Download or read book Codes, Ciphers and Secret Writing written by Martin Gardner and published by Courier Corporation. This book was released on 2013-04-10 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Cipher and decipher codes: transposition and polyalphabetical ciphers, famous codes, typewriter and telephone codes, codes that use playing cards, knots, and swizzle sticks . . . even invisible writing and sending messages through space. 45 diagrams.

Data-driven Block Ciphers for Fast Telecommunication Systems

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Author :
Publisher : CRC Press
ISBN 13 : 1420054120
Total Pages : 210 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Data-driven Block Ciphers for Fast Telecommunication Systems by : Nikolai Moldovyan

Download or read book Data-driven Block Ciphers for Fast Telecommunication Systems written by Nikolai Moldovyan and published by CRC Press. This book was released on 2007-12-14 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Most Progressive and Complete Guide to DDO-Based Ciphers Developers have long recognized that ciphers based on Permutation Networks (PNs) and Controlled Substitution-Permutation Networks (CSPNs) allow for the implementation of a variety of Data Driven Operations (DDOs). These DDOs can provide fast encryption without incurring excessive

Security of Block Ciphers

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 1118660013
Total Pages : 311 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Security of Block Ciphers by : Kazuo Sakiyama

Download or read book Security of Block Ciphers written by Kazuo Sakiyama and published by John Wiley & Sons. This book was released on 2016-04-25 with total page 311 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive evaluation of information security analysis spanning the intersection of cryptanalysis and side-channel analysis Written by authors known within the academic cryptography community, this book presents the latest developments in current research Unique in its combination of both algorithmic-level design and hardware-level implementation; this all-round approach - algorithm to implementation – covers security from start to completion Deals with AES (Advanced Encryption standard), one of the most used symmetric-key ciphers, which helps the reader to learn the fundamental theory of cryptanalysis and practical applications of side-channel analysis