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Author: Sean McCartney
Publisher: Mountainland Publishing Inc
ISBN: 0974547638
Category : Fiction
Languages : en
Pages : 197
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Book Description
A treasure worth 30 million dollars. Protected by an unbreakable code. Sought by people for over 200 years. Is the treasure real? Or an elaborate hoax?Join the Treasure Hunters Club as they embark upon the greatest adventure of their lives, Where they must break an ancient Code, save a friend, and escape from an old enemy out for revenge!The time has come to crack the code.
Author: Sean McCartney
Publisher: Mountainland Publishing Inc
ISBN: 0974547638
Category : Fiction
Languages : en
Pages : 197
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Book Description
A treasure worth 30 million dollars. Protected by an unbreakable code. Sought by people for over 200 years. Is the treasure real? Or an elaborate hoax?Join the Treasure Hunters Club as they embark upon the greatest adventure of their lives, Where they must break an ancient Code, save a friend, and escape from an old enemy out for revenge!The time has come to crack the code.
Author: Simon Singh
Publisher: Delacorte Press
ISBN: 0375890122
Category : Young Adult Nonfiction
Languages : en
Pages : 274
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Book Description
"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: Janet Beissinger
Publisher: CRC Press
ISBN: 1498747760
Category : Mathematics
Languages : en
Pages : 216
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Book Description
Join the Cryptokids as they apply basic mathematics to make and break secret codes. This book has many hands-on activities that have been tested in both classrooms and informal settings. Classic coding methods are discussed, such as Caesar, substitution, Vigenère, and multiplicative ciphers as well as the modern RSA. Math topics covered include: - Addition and Subtraction with, negative numbers, decimals, and percentages - Factorization - Modular Arithmetic - Exponentiation - Prime Numbers - Frequency Analysis. The accompanying workbook, The Cryptoclub Workbook: Using Mathematics to Make and Break Secret Codes provides students with problems related to each section to help them master the concepts introduced throughout the book. A PDF version of the workbook is available at no charge on the download tab, a printed workbook is available for $19.95 (K00701). The teacher manual can be requested from the publisher by contacting the Academic Sales Manager, Susie Carlisle
Author: Dan Mento
Publisher:
ISBN: 9780999639702
Category :
Languages : en
Pages :
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Book Description
Author: John F. Dooley
Publisher: Springer Nature
ISBN: 3031674855
Category :
Languages : en
Pages : 353
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Book Description
Author: Herbert O. Yardley
Publisher: Naval Institute Press
ISBN: 1612512828
Category : Political Science
Languages : en
Pages : 403
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Book Description
During the 1920s Herbert O. Yardley was chief of the first peacetime cryptanalytic organization in the United States, the ancestor of today's National Security Agency. Funded by the U.S. Army and the Department of State and working out of New York, his small and highly secret unit succeeded in breaking the diplomatic codes of several nations, including Japan. The decrypts played a critical role in U.S. diplomacy. Despite its extraordinary successes, the Black Chamber, as it came to known, was disbanded in 1929. President Hoover's new Secretary of State Henry L. Stimson refused to continue its funding with the now-famous comment, "Gentlemen do not read other people's mail." In 1931 a disappointed Yardley caused a sensation when he published this book and revealed to the world exactly what his agency had done with the secret and illegal cooperation of nearly the entire American cable industry. These revelations and Yardley's right to publish them set into motion a conflict that continues to this day: the right to freedom of expression versus national security. In addition to offering an exposé on post-World War I cryptology, the book is filled with exciting stories and personalities.
Author: Elonka Dunin
Publisher: No Starch Press
ISBN: 1718502729
Category : Computers
Languages : en
Pages : 489
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Book Description
If you liked Dan Brown’s Da Vinci Code—or want to solve similarly baffling cyphers yourself—this is the book for you! A thrilling exploration of history’s most vexing codes and ciphers that uses hands-on exercises to teach you the most popular historical encryption schemes and techniques for breaking them. Solve history’s most hidden secrets alongside expert codebreakers Elonka Dunin and Klaus Schmeh, as they guide you through the world of encrypted texts. With a focus on cracking real-world document encryptions—including some crime-based coded mysteries that remain unsolved—you’ll be introduced to the free computer software that professional cryptographers use, helping you build your skills with state-of-the art tools. You’ll also be inspired by thrilling success stories, like how the first three parts of Kryptos were broken. Each chapter introduces you to a specific cryptanalysis technique, and presents factual examples of text encrypted using that scheme—from modern postcards to 19-century newspaper ads, war-time telegrams, notes smuggled into prisons, and even entire books written in code. Along the way, you’ll work on NSA-developed challenges, detect and break a Caesar cipher, crack an encrypted journal from the movie The Prestige, and much more. You’ll learn: How to crack simple substitution, polyalphabetic, and transposition ciphers How to use free online cryptanalysis software, like CrypTool 2, to aid your analysis How to identify clues and patterns to figure out what encryption scheme is being used How to encrypt your own emails and secret messages Codebreaking is the most up-to-date resource on cryptanalysis published since World War II—essential for modern forensic codebreakers, and designed to help amateurs unlock some of history’s greatest mysteries.
Author: Alexander D'Agapeyeff
Publisher: Read Books Ltd
ISBN: 1473350913
Category : Computers
Languages : en
Pages : 153
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Book Description
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: Simon Singh
Publisher:
ISBN: 9781841154350
Category : Ciphers
Languages : en
Pages : 224
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Book Description
A TV tie-in edition of The Code Book filmed as a prime-time five-part Channel 4 series on the history of codes and code-breaking and presented by the author. This book, which accompanies the major Channel 4 series, brings to life the hidden history of codes and code breaking. Since the birth of writing, there has also been the need for secrecy. The story of codes is the story of the brilliant men and women who used mathematics, linguistics, machines, computers, gut instinct, logic and detective work to encrypt and break these secrect messages and the effect their work has had on history.
Author: Rachel Elise Barkow
Publisher: Belknap Press
ISBN: 0674919238
Category : Law
Languages : en
Pages : 305
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Book Description
A CounterPunch Best Book of the Year A Lone Star Policy Institute Recommended Book “If you care, as I do, about disrupting the perverse politics of criminal justice, there is no better place to start than Prisoners of Politics.” —James Forman, Jr., author of Locking Up Our Own The United States has the highest rate of incarceration in the world. The social consequences of this fact—recycling people who commit crimes through an overwhelmed system and creating a growing class of permanently criminalized citizens—are devastating. A leading criminal justice reformer who has successfully rewritten sentencing guidelines, Rachel Barkow argues that we would be safer, and have fewer people in prison, if we relied more on expertise and evidence and worried less about being “tough on crime.” A groundbreaking work that is transforming our national conversation on crime and punishment, Prisoners of Politics shows how problematic it is to base criminal justice policy on the whims of the electorate and argues for an overdue shift that could upend our prison problem and make America a more equitable society. “A critically important exploration of the political dynamics that have made us one of the most punitive societies in human history. A must-read by one of our most thoughtful scholars of crime and punishment.” —Bryan Stevenson, author of Just Mercy “Barkow’s analysis suggests that it is not enough to slash police budgets if we want to ensure lasting reform. We also need to find ways to insulate the process from political winds.” —David Cole, New York Review of Books “A cogent and provocative argument about how to achieve true institutional reform and fix our broken system.” —Emily Bazelon, author of Charged
