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Author : Jillian Gregory
Publisher : Capstone
Page : 33 pages
File Size : 46,6 Mb
Release : 2010
Category : Juvenile Nonfiction
ISBN : 9781429645683
"Discusses different methods for breaking secret codes"--Provided by publisher.
Author : Ann-Louise Shapiro
Publisher : Unknown
Page : 280 pages
File Size : 46,7 Mb
Release : 2022
Category : SOCIAL SCIENCE
ISBN : 0804764832
Breaking the Codes is a cultural history of the fin-de-siecle that uses the "problem" of the criminal woman to examine both the debates around the appropriate place of women in French society and the ways in which issues of gender were central to the most important cultural transformations of the period. The author asserts that "female criminality" was a code that condensed and obscured larger concerns. For example, to what degree and in what ways did the symbolic overtones of female criminality connect to the substantive issues that appeared over and over again in the stories of women's crime? How were the crimes of domestic violence, infanticide, and abortion interpreted in the context of broader debates about divorce, depopulation, sexuality, and women's roles in the public sphere? What was the role of expert commentary - from the forensic psychiatrist, the criminologist, the legal scholar - in producing a normative code for female behavior? And how did this code accommodate or resist the newly recognized voice of popular opinion and changing notions of citizenship? This study demonstrates both the inadequacy of the categories of public and private as they have been conventionally used to segregate the subjects of historical inquiry and the artificiality of the boundaries between high and low culture. Instead, it moves between domestic life and public courtrooms, between social science literature and popular journalism, analyzing the complex responses to female crime among different constituencies and through different genres. In so doing, the author sheds light on various overlapping processes of cultural negotiation in a period of profound change.
Author : Simon Singh
Publisher : Delacorte Press
Page : 272 pages
File Size : 55,9 Mb
Release : 2002-05-14
Category : Young Adult Nonfiction
ISBN : 9780375890123
"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 : Liza Mundy
Publisher : Hachette Books
Page : 524 pages
File Size : 46,5 Mb
Release : 2017-10-10
Category : History
ISBN : 9780316352550
The award-winning New York Times bestseller about the American women who secretly served as codebreakers during World War II--a "prodigiously researched and engrossing" (New York Times) book that "shines a light on a hidden chapter of American history" (Denver Post). Recruited by the U.S. Army and Navy from small towns and elite colleges, more than ten thousand women served as codebreakers during World War II. While their brothers and boyfriends took up arms, these women moved to Washington and learned the meticulous work of code-breaking. Their efforts shortened the war, saved countless lives, and gave them access to careers previously denied to them. A strict vow of secrecy nearly erased their efforts from history; now, through dazzling research and interviews with surviving code girls, bestselling author Liza Mundy brings to life this riveting and vital story of American courage, service, and scientific accomplishment.
Author : Hamilton Nickels
Publisher : Skyhorse
Page : 144 pages
File Size : 49,5 Mb
Release : 2014-07-15
Category : Technology & Engineering
ISBN : 1629142069
Ever since humans first began to communicate, we’ve had secrets to keep — secrets of state, war, business, or the heart. From the moment the first secret message was sent, others were busy trying to decipher it. By rearranging, substituting, or transposing symbols, any message can be encoded or decoded — if you know how. Secrets of Making and Breaking Codes is a practical field manual designed to teach you the basic mechanics of enciphering and deciphering communications. The author has used his extensive knowledge of and experience in electronic communications and languages — as well as his decades of fascination with secret codes — to demystify the field of cryptology. Hamilton Nickels uses plain, uncomplicated English and simple, workable systems that rely on neither advanced mathematics, nor on ethereal philosophies. This is the only hands-on guide to both the simplest cipher schemes — that need little more than scratch paper and a pencil to crack — as well as more sophisticated codes that use one-time code books, pocket calculators, and the most advanced computer-based systems used by the military and diplomatic corps of most governments. Letting the wrong eyes see a secret message can often make the difference between victory and defeat, success and failure, life and death. Secrets of Making and Breaking Codes will make mastering codes easier.
Author : Paul B. Garrett
Publisher : Pearson
Page : 552 pages
File Size : 52,6 Mb
Release : 2001
Category : Business & Economics
ISBN : STANFORD:36105025071353
This unique book explains the basic issues of classical and modern cryptography, and provides a self contained essential mathematical background in number theory, abstract algebra, and probability--with surveys of relevant parts of complexity theory and other things. A user-friendly, down-to-earth tone presents concretely motivated introductions to these topics. More detailed chapter topics include simple ciphers; applying ideas from probability; substitutions, transpositions, permutations; modern symmetric ciphers; the integers; prime numbers; powers and roots modulo primes; powers and roots for composite moduli; weakly multiplicative functions; quadratic symbols, quadratic reciprocity; pseudoprimes; groups; sketches of protocols; rings, fields, polynomials; cyclotomic polynomials, primitive roots; pseudo-random number generators; proofs concerning pseudoprimality; factorization attacks finite fields; and elliptic curves. For personnel in computer security, system administration, and information systems.
Author : Sheri Bell-Rehwoldt
Publisher : Capstone
Page : 18 pages
File Size : 44,7 Mb
Release : 2010-07
Category : Ciphers
ISBN : 9781429645690
"Discusses different methods for speaking secret codes"--Provided by publisher.
Author : Pierre Berloquin
Publisher : Sterling Publishing Company Incorporated
Page : 135 pages
File Size : 42,8 Mb
Release : 2014-08-19
Category : Games & Activities
ISBN : 1454910658
Challenges the reader to reveal quotations from prominent people in history and fiction by using a collection of coded alphabets devised by actual historical figures, including Hildegard of Bingen, Edgar Allen Poe, and Hâeláene Smith.
Author : Bud Johnson
Publisher : Courier Corporation
Page : 86 pages
File Size : 51,5 Mb
Release : 2013-05-22
Category : Juvenile Nonfiction
ISBN : 9780486291468
Simply and clearly written book, filled with cartoons and easy-to-follow instructions, tells youngsters 8 and up how to break 6 different types of coded messages. Examples and solutions.
Author : David Kahn
Publisher : Frontline Books
Page : 513 pages
File Size : 43,5 Mb
Release : 2012-02-02
Category : History
ISBN : 9781783378586
“An absorbing and thoroughly well documented account” of WWII naval intelligence and the Allied hunt for the Nazi code machine known as the Enigma (Warship). From the start of World War II to mid-1943, British and American naval forces fought a desperate battle against German submarine wolfpacks. And the Allies might have lost the struggle at sea without an astounding intelligence coup. Here, the author brings to life the race to break the German U-boat codes. As the Battle of the Atlantic raged, Hitler’s U-boats reigned. To combat the growing crisis, ingenious amateurs joined the nucleus of dedicated professionals at Bletchley Park to unlock the continually changing German naval codes. Their mission: to read the U-boat messages of Hitler’s cipher device, the Enigma. They first found success with the capture of U-110,—which yielded the Enigma machine itself and a trove of secret documents. Then the weather ship Lauenburg seized near the Arctic ice pack provided code settings for an entire month. Finally, two sailors rescued a German weather cipher that enabled the team at Bletchley to solve the Enigma after a year-long blackout. In “a highly recommended account with a wealth of materials” Seizing the Enigma tells the story of a determined corps of people who helped turn the tide of the war (Naval Historical Foundation).
Author : Roy Apps
Publisher : Wayland
Page : 0 pages
File Size : 48,6 Mb
Release : 2018-05-08
Category : Juvenile Nonfiction
ISBN : 0750298855
Explore the history of codes from The Haircut Code, used by the Persians to convey messages in war, to Ancient Hebrew ciphers, pictorial codes of the Egyptians Mayans to letter codes in ancient Rome and substitution ciphers used in Tudor England when the execution of Mary, Queen of Scots was being planned. Find out about modern-day codes, such as tennis players Laura Robson and Heather Watson's 'back slang' when playing doubles and computer codes in the 21st century including the safety of passwords. The title will feature strange-but-true facts that are real-life extraordinary stories of codes and their code breakers and 'Code Cracker' practical activities show how you can build or solve your own codes!
Author : Simon Singh
Publisher : Unknown
Page : 224 pages
File Size : 46,8 Mb
Release : 2000
Category : Ciphers
ISBN : 1841154350
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 : Stephen Budiansky
Publisher : Simon and Schuster
Page : 468 pages
File Size : 54,9 Mb
Release : 2000
Category : World War, 1939-1945
ISBN : 9780684859323
"This is the story of the Allied codebreakers puzzling through the most difficult codebreaking problems that ever existed.
Author : Jason Fagone
Publisher : HarperCollins
Page : 464 pages
File Size : 55,6 Mb
Release : 2017-09-26
Category : History
ISBN : 9780062430502
National Bestseller NPR Best Book of the Year “Not all superheroes wear capes, and Elizebeth Smith Friedman should be the subject of a future Wonder Woman movie.” —The New York Times Joining the ranks of Hidden Figures and In the Garden of Beasts, the incredible true story of the greatest codebreaking duo that ever lived, an American woman and her husband who invented the modern science of cryptology together and used it to confront the evils of their time, solving puzzles that unmasked Nazi spies and helped win World War II. In 1916, at the height of World War I, brilliant Shakespeare expert Elizebeth Smith went to work for an eccentric tycoon on his estate outside Chicago. The tycoon had close ties to the U.S. government, and he soon asked Elizebeth to apply her language skills to an exciting new venture: code-breaking. There she met the man who would become her husband, groundbreaking cryptologist William Friedman. Though she and Friedman are in many ways the "Adam and Eve" of the NSA, Elizebeth’s story, incredibly, has never been told. In The Woman Who Smashed Codes, Jason Fagone chronicles the life of this extraordinary woman, who played an integral role in our nation’s history for forty years. After World War I, Smith used her talents to catch gangsters and smugglers during Prohibition, then accepted a covert mission to discover and expose Nazi spy rings that were spreading like wildfire across South America, advancing ever closer to the United States. As World War II raged, Elizebeth fought a highly classified battle of wits against Hitler’s Reich, cracking multiple versions of the Enigma machine used by German spies. Meanwhile, inside an Army vault in Washington, William worked furiously to break Purple, the Japanese version of Enigma—and eventually succeeded, at a terrible cost to his personal life. Fagone unveils America’s code-breaking history through the prism of Smith’s life, bringing into focus the unforgettable events and colorful personalities that would help shape modern intelligence. Blending the lively pace and compelling detail that are the hallmarks of Erik Larson’s bestsellers with the atmosphere and intensity of The Imitation Game, The Woman Who Smashed Codes is page-turning popular history at its finest.
Author : Al Sweigart
Publisher : No Starch Press
Page : 419 pages
File Size : 50,9 Mb
Release : 2018-01-23
Category : Computers
ISBN : 9781593278229
Learn how to program in Python while making and breaking ciphers—algorithms used to create and send secret messages! After a crash course in Python programming basics, you’ll learn to make, test, and hack programs that encrypt text with classical ciphers like the transposition cipher and Vigenère cipher. You’ll begin with simple programs for the reverse and Caesar ciphers and then work your way up to public key cryptography, the type of encryption used to secure today’s online transactions, including digital signatures, email, and Bitcoin. Each program includes the full code and a line-by-line explanation of how things work. By the end of the book, you’ll have learned how to code in Python and you’ll have the clever programs to prove it! You’ll also learn how to: - Combine loops, variables, and flow control statements into real working programs - Use dictionary files to instantly detect whether decrypted messages are valid English or gibberish - Create test programs to make sure that your code encrypts and decrypts correctly - Code (and hack!) a working example of the affine cipher, which uses modular arithmetic to encrypt a message - Break ciphers with techniques such as brute-force and frequency analysis There’s no better way to learn to code than to play with real programs. Cracking Codes with Python makes the learning fun!