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| Author | : Martin Gardner |
| Publisher | : Courier Corporation |
| Total Pages | : 100 |
| Release | : 1984-01-01 |
| Genre | : Juvenile Nonfiction |
| ISBN | : 9780486247618 |
Explains various methods used in cryptography and presents examples to help readers in breaking secret codes
| Author | : Alexander D'Agapeyeff |
| Publisher | : Read Books Ltd |
| Total Pages | : 153 |
| Release | : 2016-08-26 |
| Genre | : Computers |
| ISBN | : 1473350913 |
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.
| Author | : Sean Callery |
| Publisher | : Harper Collins |
| Total Pages | : 196 |
| Release | : 2008-01-22 |
| Genre | : Reference |
| ISBN | : 0061374075 |
Everything from smoke signals to military encryption devices Codes and Ciphers reveals the development and role of secret communications throughout history and offers practical advice on how to make codes (whether by pencil and paper or by computer) and how to break them! Inside you will find information on: Code-breaking devices Hieroglyphics, Native American smoke signals, flags, and semaphore Braille, Morse code, and computer language Mono- and polyalphabetic letter substitution Computer algorithms
| Author | : John Redden |
| Publisher | : Lulu.com |
| Total Pages | : 58 |
| Release | : 2017-09-02 |
| Genre | : Education |
| ISBN | : 1387346083 |
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.
| Author | : R. F. Churchhouse |
| Publisher | : Cambridge University Press |
| Total Pages | : 254 |
| Release | : 2002 |
| Genre | : Business & Economics |
| ISBN | : 9780521008907 |
Publisher Description
| Author | : Simon Singh |
| Publisher | : Delacorte Press |
| Total Pages | : 274 |
| Release | : 2002-05-14 |
| Genre | : Young Adult Nonfiction |
| ISBN | : 0375890122 |
"As gripping as a good thriller." --The Washington Post Unpack the science of secrecy and discover the methods behind cryptography--the encoding and decoding of information--in this clear and easy-to-understand young adult adaptation of the national bestseller that's perfect for this age of WikiLeaks, the Sony hack, and other events that reveal the extent to which our technology is never quite as secure as we want to believe. Coders and codebreakers alike will be fascinated by history's most mesmerizing stories of intrigue and cunning--from Julius Caesar and his Caeser cipher to the Allies' use of the Enigma machine to decode German messages during World War II. Accessible, compelling, and timely, The Code Book is sure to make readers see the past--and the future--in a whole new way. "Singh's power of explaining complex ideas is as dazzling as ever." --The Guardian
| Author | : Paul B. Janeczko |
| Publisher | : Candlewick Press |
| Total Pages | : 148 |
| Release | : 2006-04-11 |
| Genre | : Juvenile Nonfiction |
| ISBN | : 9780763629724 |
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.
| Author | : Norma Gleason |
| Publisher | : Courier Corporation |
| Total Pages | : 54 |
| Release | : 1987-01-01 |
| Genre | : Juvenile Nonfiction |
| ISBN | : 9780486254050 |
Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.
| Author | : Fletcher Pratt |
| Publisher | : |
| Total Pages | : 0 |
| Release | : 1939 |
| Genre | : Ciphers |
| ISBN | : 9780894122613 |
| Author | : Fred B. Wrixon |
| Publisher | : Random House Value Publishing |
| Total Pages | : 280 |
| Release | : 1989 |
| Genre | : Business & Economics |
| ISBN | : |
Perfect for word lovers and puzzlers, this comprehensive, illustrated volume includes Indian sign language, Morse code, Jefferson's cipher wheel and more, presented in an informative and historical manner.
