Colossus : the secrets of Bletchley Park's codebreaking computers

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Title:

Colossus : the secrets of Bletchley Park's codebreaking computers

Author:

Copeland, B. Jack, 1950-

ISBN:

9780192840554

Publication Information:

Oxford ; New York : Oxford University Press, 2006.

Physical Description:

xvi, 462 p. : ill., ports. ; 24 cm.

Contents:

A brief history of cryptography from Caesar to Bletchley Park / Simon Singh -- How it began : Bletchley Park goes to war / Michael Smith -- The German Tunny machine / Jack Copeland -- Colossus, codebreaking, and the digital age / Stephen Budiansky -- Machine against machine / Jack Copeland -- D-Day at Bletchley Park / Thomas H. Flowers -- Intercept! / Jack Copeland -- Colossus / Thomas H. Flowers -- Colossus and the rise of the modern computer / Jack Copeland -- The PC-user's guide to Colossus / Benjamin Wells -- Of men and machines / Brian Randell -- The Colossus rebuild / Tony Sale -- Mr. Newman's section / Jack Copeland, with Catherine Caughey ... [et al.] -- Max Newman : mathematician, codebreaker, and computer pioneer / William Newman -- Living with Fish : breaking Tunny in the Newmanry and the Testery / Peter Hilton -- From Hut 8 to the Newmanry / Jack Good -- Codebreaking and Colossus / Donald Michie -- Major Tester's section / Jerry Roberts -- Setter and breaker / Roy Jenkins -- An ATS girl in the Testery / Helen Currie -- The Testery and the breaking of Fish / Peter Edgerley -- Dollis Hill at war / Jack Copeland, with David Bolam ... [et al.] -- The British Tunny machine / Gil Hayward -- How Colossus was built and operated : one of its engineers reveals its secrets / Harry Fensom -- Bletchley Park's Sturgeon : the Fish that laid no eggs / Frode Weierud -- German teleprinter traffic and Swedish wartime intelligence / Craig McKay.

Subject Term:

Lorenz cipher system.

World War, 1939-1945 -- Cryptography.

World War, 1939-1945 -- Electronic intelligence -- Great Britain.

Cryptography -- Germany -- History.

Cryptography -- Great Britain -- History.

Added Author:

Copeland, B. Jack, 1950-

Electronic Access:

Table of contents http://www.loc.gov/catdir/toc/ecip062/2005030993.html
Publisher description http://www.loc.gov/catdir/enhancements/fy0636/2005030993-d.html

Copies:

Available:*

Library	Material Type	Item Barcode	Shelf Number	Copy	Status
Searching... 1:IIEMSA	1:GEN-BOOK	33168020369605	940.548641 C782C 2006	1	Searching... Unknown

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Summary

At last - the secrets of Bletchley Park's powerful codebreaking computers.This is a history of Colossus, the world's first fully-functioning electronic digital computer. Colossus was used during the Second World War at the Government Code and Cypher School at Bletchley Park, where it played an invaluable role cracking enemy codes. Until very recently, much about the Colossus machine was shrouded in secrecy, largely because the codes that were employed remained in use by the British security services until a short time ago. This book has only become possible due to the recent declassification in the US of wartime documents.With an introductory essay on cryptography and the history of code-breaking by Simon Singh, this book reveals the workings of Colossus and the extraordinary staff at Bletchley Park through personal accounts by those who lived and worked with the computer. Among them is the testimony of Thomas Flowers, who was the architect of Colossus and whose personal account, written shortly before he died, is published here for the first time. Other essays consider the historical importance of this remarkable machine, and its impact on the generations of computing technology that followed.