Secret Codes Ciphers
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Secret Code Book Substitution Ciphers
Author | : John Redden |
Publsiher | : Lulu.com |
Total Pages | : 58 |
Release | : 2018-03-12 |
Genre | : Education |
ISBN | : 9781387346080 |
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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 Vigen re 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
Author | : Martin Gardner |
Publsiher | : Courier Corporation |
Total Pages | : 100 |
Release | : 1984-01-01 |
Genre | : Juvenile Nonfiction |
ISBN | : 0486247619 |
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Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
Top Secret
Author | : Paul B. Janeczko |
Publsiher | : Candlewick Press |
Total Pages | : 148 |
Release | : 2006-04-11 |
Genre | : Juvenile Nonfiction |
ISBN | : 0763629723 |
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Presents history, trivia, and code-breaking tales in a guide book to the world of secret writing that includes examples of a variety of codes and ciphers.
Secret Codes Ciphers
Author | : Anonim |
Publsiher | : Unknown |
Total Pages | : 100 |
Release | : 1982 |
Genre | : Ciphers |
ISBN | : STANFORD:36105082757811 |
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Writing Secret Codes and Sending Hidden Messages
Author | : Gyles Daubeney Brandreth |
Publsiher | : Sterling Publishing (NY) |
Total Pages | : 134 |
Release | : 1984 |
Genre | : Language Arts & Disciplines |
ISBN | : 0806946903 |
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Explains how to use secret codes, including Morse, Caesar's, Sandwich, Rosicrucian, and others, as well as how to send hidden messages using invisible ink, how to take fingerprints, and other tricks and techniques.
Secret and Urgent
Author | : Fletcher Pratt |
Publsiher | : Unknown |
Total Pages | : 0 |
Release | : 1939 |
Genre | : Ciphers |
ISBN | : 0894122614 |
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The Kids Book of Secret Codes Signals and Ciphers
Author | : Eleanor A. Grant |
Publsiher | : Unknown |
Total Pages | : 79 |
Release | : 1990 |
Genre | : Ciphers |
ISBN | : 0867882743 |
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Codes and Ciphers A History of Cryptography
Author | : Alexander D'Agapeyeff |
Publsiher | : Read Books Ltd |
Total Pages | : 153 |
Release | : 2016-08-26 |
Genre | : Computers |
ISBN | : 9781473350915 |
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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.