Codes And Ciphers

Author : Alexander D'Agapeyeff
Publisher : Read Books Ltd
Page : 153 pages
File Size : 47,8 Mb
Release : 2016-08-26
Category : Computers
ISBN : 9781473350915

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Codes and Ciphers - A History of Cryptography by Alexander D'Agapeyeff Pdf

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 : Martin Gardner
Publisher : Courier Corporation
Page : 100 pages
File Size : 47,5 Mb
Release : 1984-01-01
Category : Juvenile Nonfiction
ISBN : 0486247619

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Codes, Ciphers and Secret Writing by Martin Gardner Pdf

Explains various methods used in cryptography and presents examples to help readers in breaking secret codes

Author : R. F. Churchhouse
Publisher : Cambridge University Press
Page : 254 pages
File Size : 47,7 Mb
Release : 2002
Category : Business & Economics
ISBN : 0521008905

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Codes and Ciphers by R. F. Churchhouse Pdf

Publisher Description

Author : John Redden
Publisher : Lulu.com
Page : 58 pages
File Size : 54,8 Mb
Release : 2018-03-12
Category : Education
ISBN : 9781387346080

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Secret Code Book: Substitution Ciphers by John Redden Pdf

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.

Author : Simon Singh
Publisher : Delacorte Press
Page : 272 pages
File Size : 42,7 Mb
Release : 2002-05-14
Category : Young Adult Nonfiction
ISBN : 9780375890123

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The Code Book: The Secrets Behind Codebreaking by Simon Singh Pdf

"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 : Norma Gleason
Publisher : Courier Corporation
Page : 54 pages
File Size : 51,9 Mb
Release : 1987-01-01
Category : Juvenile Nonfiction
ISBN : 0486254054

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Fun with Codes and Ciphers Workbook by Norma Gleason Pdf

Decode 68 secret messages—backward ciphers, false word divisions, null ciphers and much more with this fascinating, fun-filled book. Solutions.

Author : Paul B. Janeczko
Publisher : Candlewick Press
Page : 148 pages
File Size : 43,9 Mb
Release : 2006-04-11
Category : Juvenile Nonfiction
ISBN : 0763629723

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Top Secret by Paul B. Janeczko Pdf

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 : Fred B. Wrixon
Publisher : Random House Value Publishing
Page : 280 pages
File Size : 41,5 Mb
Release : 1989
Category : Ciphers
ISBN : PSU:000017870764

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Codes, Ciphers, and Secret Languages by Fred B. Wrixon Pdf

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.

Author : Fletcher Pratt
Publisher : Unknown
Page : 0 pages
File Size : 43,5 Mb
Release : 1939
Category : Ciphers
ISBN : 0894122614

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Secret and Urgent by Fletcher Pratt Pdf

Author : John Laffin
Publisher : HarperCollins Children's Books
Page : 160 pages
File Size : 53,8 Mb
Release : 1964
Category : Business & Economics
ISBN : UOM:39015000526981

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Codes and Ciphers by John Laffin Pdf

An explanation of the development, methods, and use of cryptography throughout history.

Author : Sean Callery
Publisher : Harper Collins
Page : 196 pages
File Size : 44,8 Mb
Release : 2008-01-22
Category : Reference
ISBN : 9780061374074

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Codes and Ciphers by Sean Callery Pdf

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 : Peter Way
Publisher : Unknown
Page : 152 pages
File Size : 48,7 Mb
Release : 1977
Category : Juvenile Nonfiction
ISBN : STANFORD:36105036919996

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Codes and Ciphers by Peter Way Pdf

This book explains the decoding and encoding of messages in a clear way; among are the classic tales area the Zimmermann telegram, the Purple machine and Ultra.

Author : Rachael L. Thomas
Publisher : Unknown
Page : 128 pages
File Size : 55,9 Mb
Release : 2022
Category : Ciphers
ISBN : 1728433649

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Classic Codes and Ciphers by Rachael L. Thomas Pdf

"Cryptology is the art and science of secret communication, and its purpose is to protect precious information and keep people safe. Learn about its building blocks: ciphers, codes, and keys"--

Author : Helen F. Gaines
Publisher : Courier Corporation
Page : 256 pages
File Size : 42,6 Mb
Release : 2014-11-18
Category : Games & Activities
ISBN : 9780486800592

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Cryptanalysis by Helen F. Gaines Pdf

Thorough, systematic introduction to serious cryptography, especially strong in modern forms of cipher solution used by experts. Simple and advanced methods. 166 specimens to solve — with solutions.

Author : Ella Schwartz
Publisher : Bloomsbury Publishing USA
Page : 129 pages
File Size : 54,5 Mb
Release : 2019-03-26
Category : Juvenile Nonfiction
ISBN : 9781681199894

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Can You Crack the Code? by Ella Schwartz Pdf

Codes can carry big secrets! Throughout history, lots of good guys and lots of bad guys have used codes to keep their messages under wraps. This fun and flippable nonfiction features stories of hidden treasures, war-time maneuverings, and contemporary hacking as well as explaining the mechanics behind the codes in accessible and kid friendly forms. Sidebars call out activities that invite the reader to try their own hand at cracking and crafting their own secret messages. This is the launch of an exciting new series that invites readers into a STEM topic through compelling historical anecdotes, scientific backup, and DIY projects.