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Caesar cipher (2,028 words) [view diff] exact match in snippet view article find links to article

ISBN 9781532693830. Kahn, David (1967). The Codebreakers. pp. 775–6. ISBN 978-0-684-83130-5. Kahn, David (1967). The Codebreakers. pp. 631–2. ISBN 978-0-684-83130-5

Bletchley Park (11,431 words) [view diff] case mismatch in snippet view article find links to article

teacher-training college and local GPO headquarters. By 1990 the huts in which the codebreakers worked were being considered for demolition and redevelopment. The

Michael Smith (newspaper reporter) (887 words) [view diff] exact match in snippet view article

a number of books, including the UK Number 1 bestseller Station X: The Codebreakers of Bletchley Park (1998). This was subsequently televised and updated

Pigpen cipher (1,226 words) [view diff] exact match in snippet view article find links to article

ISBN 0-486-24761-9. Kahn, David (1967). The Codebreakers. The Story of Secret Writing. Macmillan. Kahn, David (1996). The Codebreakers. The Story of Secret Writing

Dora Metcalf (927 words) [view diff] case mismatch in snippet view article find links to article

she was involved with supplying the "bombe" decryption machines to the codebreakers at Bletchley Park in England. Dora Metcalf (née Greene) was born to

Playfair cipher (2,503 words) [view diff] exact match in snippet view article find links to article

Station X: The Codebreakers of Bletchley Park (1998, Channel 4 Books/Macmillan, London) ISBN 0-7522-2189-2 Kahn, David (1996), The Codebreakers: The Comprehensive

The Code (British TV programme) (451 words) [view diff] exact match in snippet view article

stages to the treasure hunt: The Codebreakers, the Ultimate Challenge, and the Finale. The first puzzles are "The Codebreakers". These consist of three wheels

Zimmermann Telegram (4,492 words) [view diff] case mismatch in snippet view article find links to article

through British hands came to British intelligence, particularly to the codebreakers and analysts in Room 40 at the Admiralty. After the Germans' telegraph

World War I cryptography (969 words) [view diff] exact match in snippet view article find links to article

World War I" (PDF). National Security Agency. Kahn, David (1967). The Codebreakers. Scribner. Friedman, William (1977). Solving German Codes in World

Tabula recta (939 words) [view diff] exact match in snippet view article find links to article

Trithemius's usage. Salomon, Data Privacy, page 63 Kahn, David (1996). The Codebreakers (2nd ed.). Scribner. p. 133. ISBN 978-0-684-83130-5. Salomon, Coding

Philibert Babou (124 words) [view diff] exact match in snippet view article find links to article

1520 he built Château de la Bourdaisière for her. Kahn, David (1996). The Codebreakers. Scribner. p. 111. ISBN 978-0-684-83130-5. Knecht, R. J (1984). Francis

Sacombe (296 words) [view diff] case mismatch in snippet view article find links to article

film Enigma based on the book of the same name by Robert Harris about the codebreakers of Bletchley Park in World War II. "Sacombe". City Population. 2020

Heath Robinson (codebreaking machine) (1,838 words) [view diff] case mismatch in snippet view article

cipher machine. Both the cipher and the machines were called "Tunny" by the codebreakers, who named different German teleprinter ciphers after fish. It was

Station X (British TV series) (621 words) [view diff] exact match in snippet view article

It was accompanied by the "Channel 4 Books" publication Station X: The Codebreakers of Bletchley Park (1998), authored by Michael Smith which became a

Ciphertext (1,139 words) [view diff] exact match in snippet view article find links to article

Gaines, “Cryptanalysis”, 1939, Dover. ISBN 0-486-20097-3 David Kahn, The Codebreakers - The Story of Secret Writing (ISBN 0-684-83130-9) (1967) Abraham Sinkov

The world wonders (1,576 words) [view diff] exact match in snippet view article find links to article

Macmillan. Kahn (1996) [1967]. "Chapter 17: The Scrutable Orientals". The Codebreakers. Scribner. p. 609. ISBN 978-0-684-83130-5. ...Admiral Thomas C. Kinkaid

Edward Willes (bishop) (328 words) [view diff] exact match in snippet view article

in London in 1773, and is buried in Westminster Abbey. David Kahn, The Codebreakers, 1968. Marshall, William. "Willes, Edward". Oxford Dictionary of National

John Herivel (3,320 words) [view diff] case mismatch in snippet view article find links to article

obsolete. Hut 6 was suddenly unable to decrypt Enigma. Fortunately for the codebreakers, the pattern predicted by the Herivel tip began to manifest itself

MI1 (237 words) [view diff] exact match in snippet view article find links to article

the Modern Computer Bantam Press 2001 Gannon, Paul, Inside Room 40: The Codebreakers of World War I, Ian Allan Publishing, 2011, ISBN 978-0-7110-3408-2

Hugo Kettler (149 words) [view diff] exact match in snippet view article find links to article

until it was dissolved on 15 April 1945. David Kahn (5 December 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

HMS Glorious (5,096 words) [view diff] case mismatch in snippet view article find links to article

refused to believe the codebreakers partly because they were for the most part civilians, and despite begging from the codebreakers, never notified the

Vigenère cipher (5,929 words) [view diff] exact match in snippet view article find links to article

by Bellaso, was misattributed to Vigenère. David Kahn, in his book, The Codebreakers lamented this misattribution, saying that history had "ignored this

Belshazzar's Feast (Rembrandt) (1,005 words) [view diff] exact match in snippet view article

Gateway. Bible Gateway. Retrieved 5 April 2015. Kahn, David (1996). The Codebreakers. The Comprehensive History of Secret Communication from Ancient Times

Intelligence assessment (1,680 words) [view diff] exact match in snippet view article find links to article

Fundamentals of Intelligence Gathering for a Free World (2006) Kahn, David The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Cambridgeshire High School for Boys (636 words) [view diff] case mismatch in snippet view article find links to article

along with the cane itself. Shaun Wylie, mathematician, who was one of the codebreakers at Bletchley Park during the Second World War. A photograph of him

Elizebeth Smith Friedman (4,082 words) [view diff] exact match in snippet view article find links to article

Science of Code-Breaking". The Washington Post. Kahn, David (1967). The Codebreakers: The Story of Secret Writing. New York: Macmillan Publishing Co. Inc

Operation Ruthless (983 words) [view diff] case mismatch in snippet view article find links to article

operation was called off. That this was a major disappointment to the codebreakers can be judged by what Frank Birch wrote in a letter dated 20 October

Tap code (1,132 words) [view diff] exact match in snippet view article find links to article

original on August 15, 2014. Retrieved August 8, 2014. David Kahn, The Codebreakers – The Story of Secret Writing. 1967. ISBN 978-0-684-83130-5. Koestler

VIC cipher (2,688 words) [view diff] exact match in snippet view article find links to article

From Moscow". 1993. Kahn, David (1996). The Codebreakers. Scribner. p. 650. Kahn, David (1996). The Codebreakers. Scribner. p. 652. "VENONA: An Overview"

Gauss's Pythagorean right triangle proposal (1,141 words) [view diff] exact match in snippet view article find links to article

Archived from the original on August 28, 2008. David Kahn (1996). The Codebreakers: The Story of Secret Writing. Simon and Schuster. p. 958. ISBN 978-0-684-83130-5

General der Nachrichtenaufklärung Training Referat (4,160 words) [view diff] exact match in snippet view article find links to article

1945. p. 4. Retrieved 15 March 2024. David Kahn (5 December 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Lorenz cipher (3,764 words) [view diff] case mismatch in snippet view article find links to article

to the sender asking for the message to be retransmitted. This let the codebreakers know what was happening. The sender then retransmitted the message

ROT13 (2,025 words) [view diff] exact match in snippet view article find links to article

(Second ed.). John Wiley & Sons. pp. 11. ISBN 0-471-11709-9. Kahn, David. The Codebreakers: The Story of Secret Writing. New York: Macmillan. ISBN 0-684-83130-9

C-36 (cipher machine) (359 words) [view diff] exact match in snippet view article

Hagelin Cryptos, Cryptologia, 18(3), July 1994, pp 204–242. David Kahn, The Codebreakers, 1967, 2nd ed 1996, Chapter 13, pp426–427. Unknown, information card

Black Chamber (749 words) [view diff] exact match in snippet view article find links to article

National Security Agency. Retrieved 17 November 2016. Kahn, David (1996). The Codebreakers: the Story of Secret Writing. New York: Scribner. p. 352. ISBN 0-684-83130-9

Hartley (unit) (904 words) [view diff] case mismatch in snippet view article

1940, to measure the amount of information that could be deduced by the codebreakers at Bletchley Park using the Banburismus procedure, towards determining

Asia-Pacific Development Information Programme (566 words) [view diff] case mismatch in snippet view article find links to article

expansion of its activities with three more "centres of excellence". The CodeBreakers is a video production by APDIP in which a Team of independent producers

Reservehandverfahren (348 words) [view diff] exact match in snippet view article find links to article

Ultra's Poor Relations", pp. 238–239, in F. H. Hinsley and Alan Stripp, The Codebreakers: The Inside Story of Bletchley Park, 1993. Wikimedia Commons has media

Cipher (2,044 words) [view diff] exact match in snippet view article find links to article

contributions", Cryptologia, 16(2) (April 1992) pp. 97–126. David Kahn, The Codebreakers - The Story of Secret Writing (ISBN 0-684-83130-9) (1967) David A.

Hut 3 (2,165 words) [view diff] exact match in snippet view article find links to article

(2011) p.15-6 Cripps, John (2011). "Chapter 14: Mihailović or Tito: How the Codebreakers Helped Churchill Choose". In Erskine, Ralph; Smith, Michael (eds.)

Frequency analysis (1,663 words) [view diff] case mismatch in snippet view article find links to article

Cryptography". BBC Radio 4. Retrieved 29 April 2012. Kahn, David L. (1996). The codebreakers: the story of secret writing. New York: Scribner. ISBN 0-684-83130-9

1940 in science (1,436 words) [view diff] exact match in snippet view article find links to article

American Telephone & Telegraph Smith, Michael (2007). Station X: the Codebreakers of Bletchley Park. Pan Grand Strategy Series (rev. ed.). London: Pan

1939 in science (1,356 words) [view diff] exact match in snippet view article find links to article

1964. Retrieved February 28, 2007. Smith, Michael (2007). Station X: the Codebreakers of Bletchley Park. Pan Grand Strategy Series (rev. ed.). London: Pan

The Imitation Game (8,360 words) [view diff] case mismatch in snippet view article find links to article

they were decided at much higher administrative levels and not by the codebreakers themselves. The sequence in which Turing writes a letter to Churchill

Höfle Telegram (1,345 words) [view diff] case mismatch in snippet view article find links to article

General Reinhard Heydrich – also probably was unknown at the time to the codebreakers at Bletchley." The Höfle's radio telegram is one of two evidential

John Cairncross (4,124 words) [view diff] exact match in snippet view article find links to article

Hodder and Stoughton, 1990, note 5, p. 247. Smith, Michael Station X: The Codebreakers of Bletchley Park (1998, Channel 4 Books, London) pp 155–156 ISBN 0

Giovanni Soro (590 words) [view diff] exact match in snippet view article find links to article

Singh, p. 28 Britannica (1983), p. 333 Molin, p. 6 Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Encryption (3,575 words) [view diff] exact match in snippet view article find links to article

York: Dover Publications Inc, ISBN 978-0486200972 Kahn, David (1967), The Codebreakers - The Story of Secret Writing (ISBN 0-684-83130-9) Preneel, Bart (2000)

Culper Ring (5,299 words) [view diff] exact match in snippet view article find links to article

raynhamhallmuseum.org. Retrieved 2016-05-31. Rose, 2007, p. 172. Kahn, David. The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Operation K (1,301 words) [view diff] case mismatch in snippet view article find links to article

Frigate Shoals, and again were largely ignored by their superiors. The codebreakers had reason to correctly interpret the Japanese intent. Edwin T. Layton's

Nonsense (2,482 words) [view diff] exact match in snippet view article find links to article

with their interpretations of his work is debatable. Kahn, David, The Codebreakers (Scribner, 1996) ISBN 0-684-83130-9 Austin, J. L. (1962). "How to Do

Thomas Phelippes (538 words) [view diff] case mismatch in snippet view article find links to article

State Papers Scotland, 1586-1588, vol. 9 (London, 1915), p. 56 no. 50. The codebreakers, the comprehensive history of secret communication from ancient times

Daniel V. Gallery (2,162 words) [view diff] case mismatch in snippet view article find links to article

books. (This was a primary goal of the mission because it would enable the codebreakers in Tenth Fleet to read German signals immediately, without having to

1932 in science (1,585 words) [view diff] exact match in snippet view article find links to article

sufficient to guarantee him mathematical immortality. Kahn, David (1996). The Codebreakers (2nd ed.). p. 974. Kozaczuk, Władysław (1984). Enigma: How the German

Blizna V-2 missile launch site (2,726 words) [view diff] case mismatch in snippet view article find links to article

weight of twelve tons". These missiles were being fired 24 hours a day. The codebreakers at Bletchley Park in England also managed to decrypt vital information

Timeline of cryptography (2,064 words) [view diff] exact match in snippet view article find links to article

misinterpretation of signals intelligence by NSA. 1967 – David Kahn's The Codebreakers is published. 1968 – John Anthony Walker walks into the Soviet Union's

Code (cryptography) (2,241 words) [view diff] exact match in snippet view article

2008-01-15 at the Wayback Machine, 16 June 2004. Kahn, David (1996). The Codebreakers : The Comprehensive History of Secret Communication from Ancient Times

Chosen-plaintext attack (1,435 words) [view diff] case mismatch in snippet view article find links to article

re-encrypted with an Enigma machine for transmission to Berlin. This helped the codebreakers decrypt the code used on the second leg, having supplied the original

J. H. C. Whitehead (837 words) [view diff] case mismatch in snippet view article find links to article

worked on operations research for submarine warfare. Later, he joined the codebreakers at Bletchley Park, and by 1945 was one of some fifteen mathematicians

Marion Paton (221 words) [view diff] exact match in snippet view article find links to article

listed in the Roll of Honour at Bletchley Park and commemorated on the Codebreakers Wall. Marion had left Bletchley earlier to return home to nurse her

Gardening (cryptanalysis) (338 words) [view diff] exact match in snippet view article

235, ISBN 978-0-19-280132-6 Smith, Michael (2007) [1998], Station X: The Codebreakers of Bletchley Park, Pan Grand Strategy Series (Pan Books ed.), London:

Yugoslavia and the Allies (3,993 words) [view diff] exact match in snippet view article find links to article

501-503 Cripps, John (2011). "Chapter 14: Mihailović or Tito: How the Codebreakers Helped Churchill Choose". In Erskine, Ralph; Smith, Michael (eds.)

Null cipher (1,496 words) [view diff] exact match in snippet view article find links to article

Courier Corporation. ISBN 9780486800592. Kahn, David (5 December 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Carmen Blacker (619 words) [view diff] case mismatch in snippet view article find links to article

African Studies (SOAS) in London, from where she was recruited by the codebreakers at the Government Code and Cypher School, Bletchley Park. She left

Action This Day (memo) (1,779 words) [view diff] case mismatch in snippet view article

was 'our' finest hour at Bletchley Park". Then Churchill spoke to the codebreakers from a mound of builder's rubble at the end of Hut 6 in front of the

Juan Pujol García (4,686 words) [view diff] case mismatch in snippet view article find links to article

Germans provided Garbo with this system, which was in turn supplied to the codebreakers at Bletchley Park. Garbo's encrypted messages were to be received in

Russell Willson (1,056 words) [view diff] exact match in snippet view article find links to article

Printing Office, Washington. Retrieved 2018-03-06. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Auguste Kerckhoffs (579 words) [view diff] exact match in snippet view article find links to article

Voice. New York, NY. Retrieved 26 November 2022. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Arthur Reginald Evans (1,473 words) [view diff] exact match in snippet view article find links to article

William Morrow. pp. 130–158. ISBN 9780062346582. Kahn, David (1967). The Codebreakers: the story of secret writing. New York: Macmillan. pp. 592–593. ISBN 9780025604605

Far East Combined Bureau (1,626 words) [view diff] case mismatch in snippet view article find links to article

the Chief of Intelligence staff for HQ Eastern Fleet insisted that the codebreakers should be within easy reach of headquarters. While reception was better

Jefferson disk (1,596 words) [view diff] exact match in snippet view article find links to article

Archived (PDF) from the original on 2022-02-11 – via Rufus A. Long Digital Library of Cryptography. Kahn, David (1967). The Codebreakers. pp. 192–195.

Magic (cryptography) (5,314 words) [view diff] case mismatch in snippet view article

to break PURPLE communiques by hand but found they could not. Then the codebreakers realized that it was not a manual additive or substitution code like

Pirrho Musefili (130 words) [view diff] exact match in snippet view article find links to article

the expansion of cryptology outside of Italy. Khan, David (1996). The Codebreakers. Simon and Schuster. ISBN 9781439103555. Palatino, Giovanni Battista;

Traffic analysis (2,410 words) [view diff] exact match in snippet view article find links to article

Archived from the original (PDF) on 2009-11-08. Kahn, David (1974). The Codebreakers: The Story of Secret Writing. Macmillan. ISBN 0-02-560460-0. Kahn-1974

Far East Combined Bureau (1,626 words) [view diff] case mismatch in snippet view article find links to article

the Chief of Intelligence staff for HQ Eastern Fleet insisted that the codebreakers should be within easy reach of headquarters. While reception was better

ADFGVX cipher (1,696 words) [view diff] exact match in snippet view article find links to article

p. 6. "Painvin's manna had saved the French", wrote David Kahn, in The Codebreakers - The Story of Secret Writing, 1967, ISBN 978-0-684-83130-5, Chapter

HMS Alyssum (1915) (1,447 words) [view diff] case mismatch in snippet view article

While the British Admiralty had been warned of the German operation by the codebreakers of Room 40, they did not recall the 10th Sloop Flotilla in order not

Battle of the Atlantic (18,068 words) [view diff] case mismatch in snippet view article find links to article

of visual detection was quite limited. The best source proved to be the codebreakers of B-Dienst who had succeeded in deciphering the British Naval Cypher

Hans Thomsen (1,100 words) [view diff] exact match in snippet view article find links to article

ISBN 978-0-313-30018-9. Retrieved 2008-02-11. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Commercial code (communications) (994 words) [view diff] exact match in snippet view article

Standard Telegraphic Code. Lieber Publishing Company. Kahn, David (1967). The Codebreakers: The Story of Secret Writing (1st ed.). New York: Macmillan. Godfrey

Cipher Bureau (Poland) (6,908 words) [view diff] case mismatch in snippet view article

on the Air Force Enigma system. So, as soon as the code was broken, the codebreakers knew the plugboard connections for the Air Force Enigma." Sebag-Montefiore

Nigel de Grey (395 words) [view diff] exact match in snippet view article find links to article

Nigel Arthur de (1886-1951)" in the Oxford Dictionary of National Biography Paul Gannon, "Inside Room 40: The Codebreakers of World War I", London, 2010

Arnald de Grey (119 words) [view diff] case mismatch in snippet view article find links to article

Elizabeth Julia (née Thellusson). His son, Nigel de Grey, was one of the codebreakers that worked on decrypting messages from the Enigma cipher machine.

HMS Arabis (1915) (1,050 words) [view diff] case mismatch in snippet view article

While the British Admiralty had been warned of the German operation by the codebreakers of Room 40, they did not recall the 10th Sloop Flotilla in order not

Room 40 (5,861 words) [view diff] exact match in snippet view article find links to article

Biteback. ISBN 978-1-84954-078-0. Gannon, Paul, (2011). Inside Room 40: The Codebreakers of World War I. Ian Allan Publishing, London, ISBN 978-0-7110-3408-2

Hugo Koch (190 words) [view diff] exact match in snippet view article find links to article

Friedrich L Bauer, "An error in the history of rotor encryption devices", Cryptologia 23(3), July 1999, page 206. David Kahn, The Codebreakers, 1967.

Cardan grille (784 words) [view diff] exact match in snippet view article find links to article

may be a hoax (2003), a summary of Gordon Rugg's paper David Kahn, The Codebreakers — The Comprehensive History of Secret Communication from Ancient Times

Voynich manuscript (13,821 words) [view diff] exact match in snippet view article find links to article

on 2 February 2020. Retrieved 8 June 2016. Turing =, Dermot (2020). The Codebreakers of Bletchley Park. London: Arcturus Publishing. pp. 135, 136. ISBN 978-1-78950-621-1

Signals intelligence (6,795 words) [view diff] exact match in snippet view article find links to article

16–17. ISBN 978-0-593-04910-5. Gannon, Paul (2011). Inside Room 40: The Codebreakers of World War I. Ian Allan Publishing. ISBN 978-0-7110-3408-2. David

Jonas Hawkins (2,290 words) [view diff] exact match in snippet view article find links to article

Parsons & Company, Printers, 1868. OCLC 4421917. p. 53. Kahn, David. The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Bombe (7,944 words) [view diff] case mismatch in snippet view article find links to article

military jargon and the communication habits of the operators. However, the codebreakers were aided by the fact that the Enigma would never encrypt a letter

Félix Delastelle (303 words) [view diff] exact match in snippet view article find links to article

Élémentaire de Cryptographie. Paris: Gauthier-Villars. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Moscow–Washington hotline (2,800 words) [view diff] exact match in snippet view article find links to article

of Us Die. Simon & Schuster.[ISBN missing][page needed] David Kahn, The Codebreakers, pp. 715–716 [ISBN missing] "Norges ukjente rolle i den «hete linjen»

Kerckhoffs's principle (1,719 words) [view diff] exact match in snippet view article find links to article

the original on 2015-10-10, retrieved 2004-06-29 Kahn, David (1996), The Codebreakers: the story of secret writing (Second ed.), Scribners p.235 Kerckhoffs

Espionage (7,338 words) [view diff] exact match in snippet view article find links to article

Guide to Surveillance Training ISBN 978-0-9535378-2-2 Kahn, David, The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Battle of the Vistula River (2,820 words) [view diff] case mismatch in snippet view article find links to article

own story. Harper. p. 93. ISBN 9780836959567. Kahn, David (1996). The codebreakers : the story of secret writing. Scribner. p. 631. Gourko, General Basil

Tommy Flowers (2,527 words) [view diff] exact match in snippet view article find links to article

Copeland 2006, pp. 141–149 Smith, Michael (1999) [1998], Station X: The Codebreakers of Bletchley Park, Channel 4 Books, ISBN 978-0-7522-2189-2 Quotes about

Philibert Babou de la Bourdaisière (356 words) [view diff] exact match in snippet view article find links to article

International University Libraries. OCLC 53276621. Kahn, David (1996). The Codebreakers. Scribner. pp. 111. ISBN 978-0-684-83130-5. Portals: Biography Catholicism

Transposition cipher (3,604 words) [view diff] exact match in snippet view article find links to article

Ciphertext". James Lyons. "Fractionated Morse Cipher". Kahn, David. The Codebreakers: The Story of Secret Writing. Rev Sub. Scribner, 1996. Yardley, Herbert

Erna Eifler (1,985 words) [view diff] case mismatch in snippet view article find links to article

Landesverband Hamburg. p. 180. OCLC 251645867. Kahn, David (1996). The codebreakers : the story of secret writing (Revised ed.). New York: Scribner's and

Jane Fawcett (1,147 words) [view diff] case mismatch in snippet view article find links to article

Navy and sunk on 27 May. This was the first significant victory by the codebreakers, demonstrating the utility of the project. Her work did not come to

Grille (cryptography) (2,243 words) [view diff] exact match in snippet view article

solution. Dover. pp. 26–35. ISBN 0-486-20097-3. Kahn, David (1996). The Codebreakers — The Comprehensive History of Secret Communication from Ancient Times

Karl Boy-Ed (1,139 words) [view diff] exact match in snippet view article find links to article

several parts of the world. Wyllie, James; McKinley, Michael (2016), The Codebreakers: The Secret Intelligence Unit That Changed the Course of the First

Index of coincidence (2,347 words) [view diff] exact match in snippet view article find links to article

maint: multiple names: authors list (link) Kahn, David (1996) [1967]. The Codebreakers - The Story of Secret Writing. New York: Macmillan. ISBN 0-684-83130-9

Ethel Houston (611 words) [view diff] exact match in snippet view article find links to article

her work at Bletchley only later in life, and her name was added to the Codebreakers’ Wall, a digital commemorative wall for veterans, families and supporters

Konstantin Umansky (1,511 words) [view diff] exact match in snippet view article find links to article

Japanese security system had been compromised. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Rodger Winn (747 words) [view diff] exact match in snippet view article find links to article

New York: Harper Collins. ISBN 0-06-092088-2. Kahn, David (1996). The Codebreakers. ISBN 978-0-684-83130-5. Montagu, Ewen (1978). Beyond Top Secret Ultra

Fort Ward (Washington) (1,171 words) [view diff] exact match in snippet view article

Historic Places. National Park Service. March 13, 2009. Kahn, David. The Codebreakers - The Story of Secret Writing, 1967. Lee, Ivan W. The Little Fort at

Giambattista della Porta (2,181 words) [view diff] exact match in snippet view article find links to article

Dramatist. Princeton: Princeton University Press, 1965 David Kahn, The Codebreakers, 1967, p. 139 Mendelsohn, Charles. Proceedings, American Philosophical

Étienne Bazeries (438 words) [view diff] exact match in snippet view article find links to article

book provided good detail of Bazaries as a cryptanalyst. Kahn, David, The Codebreakers. 1967, 2d ed. 1996. (ISBN 0-684-83130-9) Candela, Rosario. The Military

Tex Biard (684 words) [view diff] exact match in snippet view article find links to article

careers, in peace and war, to radio intelligence" at 470. Kahn, David, The Codebreakers, The MacMillan Company – New York (1967) at 38. Dear, I.C.B., and Foot

Felice De Chaurand (442 words) [view diff] exact match in snippet view article find links to article

of Savoy, Commander (April 5, 1914) David Kahn (December 5, 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Hut 7 (1,366 words) [view diff] exact match in snippet view article find links to article

PastScape). Retrieved 15 May 2021. Smith, Michael (1999) [1998], Station X: The Codebreakers of Bletchley Park, Channel 4 Books, p. 87, ISBN 978-0-7522-2189-2 51°59′52″N

Day of Deceit (1,614 words) [view diff] exact match in snippet view article find links to article

(Henry Holt & Co., 2001), pp.182-183, 185, 204, & 208; Kahn, David. The Codebreakers (Macmillan, 1967); Young, p.7. Young, pp.8-9. Stinnett, pp.52 & 305

I. J. Good (2,632 words) [view diff] case mismatch in snippet view article find links to article

tendency to use some letters more than others. That being the case, all the codebreakers had to do, was to work back from the indicators given at the beginning

Johannes Trithemius (2,946 words) [view diff] exact match in snippet view article find links to article

L. (1981). The Abbot Trithemius, Leiden: Brill Kahn, David (1967). The Codebreakers: the Story of Secret Writing, 1967, 2nd edition 1996, pp. 130–137 ISBN 0-684-83130-9

Johannes Trithemius (2,946 words) [view diff] exact match in snippet view article find links to article

L. (1981). The Abbot Trithemius, Leiden: Brill Kahn, David (1967). The Codebreakers: the Story of Secret Writing, 1967, 2nd edition 1996, pp. 130–137 ISBN 0-684-83130-9

Attack on Pearl Harbor (16,142 words) [view diff] exact match in snippet view article find links to article

2018. Retrieved August 17, 2018. Toland 1983. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Felice De Chaurand (442 words) [view diff] exact match in snippet view article find links to article

of Savoy, Commander (April 5, 1914) David Kahn (December 5, 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

German code breaking in World War II (1,334 words) [view diff] exact match in snippet view article find links to article

Mittler & Son GmbH, ISBN 3-8132-0120-1 Kahn, David (1996) [1967], The Codebreakers, Scribner, pp. 435–477, ISBN 0-684-83130-9 Jennings, Christian (2018)

J. R. R. Tolkien (13,855 words) [view diff] exact match in snippet view article find links to article

original on 9 May 2006. Carpenter 1977, p. 133 Turing, Dermot (2020). The Codebreakers of Bletchley Park. London: Arcturus Publishing. p. 51. ISBN 978-1-78950-621-1

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Linguistic Society of America: 665–669. JSTOR 413322. Kahn, David (1967). The Codebreakers: The Secret History of Writing. Macmillan. Marckwardt, Albert (1967)

Battle of Midway (14,436 words) [view diff] exact match in snippet view article find links to article

Maryland: Naval Institute Press. ISBN 1-55750-324-9. Kahn, David. The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

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25 July 2013. O'Hara, 2009, p. 97 Smith, Michael (1998). Station X: The Codebreakers of Bletchley Park. Pan Books. pp. 77–78. ISBN 978-0-330-41929-1. Michael

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University Press of Kansas. ISBN 9780700616084. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

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multiple names: authors list (link) Smith, Michael (1999). Station X : the codebreakers of Bletchley Park. London: Boxtree. ISBN 978-0752221892. Turner, Robin

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Cooper 1886. "Saint Giles Charities". 14 August 2013. David Kahn, The Codebreakers: The Story of Secret Writing (New York: The Macmillan Company, 1967)

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Women in Theory. "Tal Rabin". World Science Festival. "Science Fair: The Codebreakers". The Greene Space.[dead link] Julie Bort (9 July 2014). "22 Of The

Enigma machine (11,278 words) [view diff] exact match in snippet view article find links to article

4064/am-16-4-543-559. ISSN 1730-6280. Smith, Michael (2000). Station X: The Codebreakers of Bletchley Park. Pan. ISBN 978-0-7522-7148-4. Smith, Michael (2006)

MRC Blood Group Unit (583 words) [view diff] exact match in snippet view article find links to article

of these have been digitised and are available on line as part of the Codebreakers digital archive of pioneers of genetics at the Wellcome Institute Clarke

Alexander Samsonov (1,439 words) [view diff] exact match in snippet view article find links to article

August, pp. 309-312. Tuchman, The Guns of August, p.320. David Kahn, The Codebreakers – The Story of Secret Writing, 1967, ISBN 978-0-684-83130-5, Ch. 16

Leon Battista Alberti (5,814 words) [view diff] case mismatch in snippet view article find links to article

substitution, and the invention of enciphered code".David Kahn (1967). The codebreakers: the story of secret writing. New York: MacMillan. According to Alberti

Intelligence cycle management (5,100 words) [view diff] exact match in snippet view article find links to article

Paramilitary Operations: Issues for Congress" (PDF). Kahn, David (1996). The Codebreakers - The Story of Secret Writing. Scribners. ISBN 978-0-684-83130-5. Staff

Signals intelligence in modern history (9,455 words) [view diff] exact match in snippet view article find links to article

16–17. ISBN 978-0593049105. Gannon, Paul (2011). Inside Room 40: The Codebreakers of World War I. Ian Allan Publishing. ISBN 978-0-7110-3408-2. Denniston

Superintendent of the United States Naval Academy (1,728 words) [view diff] exact match in snippet view article find links to article

Printing Office, Washington. Retrieved 2018-03-06. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

GCHQ (8,892 words) [view diff] exact match in snippet view article find links to article

19 April 2012. Ferris (2020) Gannon, Paul (2011). Inside Room 40: The Codebreakers of World War I. Ian Allan Publishing. ISBN 978-0-7110-3408-2. Johnson

Charles Babbage (12,206 words) [view diff] exact match in snippet view article find links to article

Press. 2011. p. 187. ISBN 978-1-4398-1763-6. Kahn, David L. (1996). The Codebreakers: The Story of Secret Writing. New York: Scribner. ISBN 978-0-684-83130-5

The Code-Breakers (426 words) [view diff] exact match in snippet view article find links to article

something that we absolutely see as being a partnership with Microsoft". "The Codebreakers". 27 September 2010. The Code-Breakers at BBCWorld.com The Code-Breakers

Type B Cipher Machine (3,999 words) [view diff] exact match in snippet view article find links to article

(PDF) on 4 April 2013. Retrieved 16 February 2013. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

John Wallis (5,116 words) [view diff] exact match in snippet view article find links to article

Cambridge Alumni Database. University of Cambridge. Kahn, David (1967), The Codebreakers: The Story of Secret Writing, New York: Macmillan, p. 169, LCCN 63016109

National Defence Radio Establishment (4,692 words) [view diff] exact match in snippet view article find links to article

and paper. This achievement was described by David Kahn, in his book The Codebreakers: "Quite possibly the finest feat of cryptanalysis performed during

Charles H. Beeson (500 words) [view diff] exact match in snippet view article find links to article

American Naturalist. 28 (325): 66. JSTOR 2451817. Kahn, David (1996). The Codebreakers: the Story of Secret Writing. New York: Scribner. p. 352. ISBN 0-684-83130-9

Peter Twinn (1,602 words) [view diff] case mismatch in snippet view article find links to article

deciphering process by trial and error — a crucial development for the codebreakers. Twinn worked with Turing on breaking the German Naval Enigma. Their

1963 (10,251 words) [view diff] exact match in snippet view article find links to article

Control And Disarmament. Scarecrow Press. p. 107. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Colossus computer (7,148 words) [view diff] exact match in snippet view article find links to article

Sale's website (see below) Smith, Michael (2007) [1998], Station X: The Codebreakers of Bletchley Park, Pan Grand Strategy Series (Pan Books ed.), London:

Arabs (30,113 words) [view diff] exact match in snippet view article find links to article

note 1, and further Jabir ibn Hayyan#Biography. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Operation Vengeance (5,292 words) [view diff] exact match in snippet view article find links to article

Holmes. Kahn, David (1996). "Chapter 17: The Scrutable Orientals". The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Arvid Gerhard Damm (1,149 words) [view diff] exact match in snippet view article find links to article

Swedish crypto program during World War II, p. 17-19. Kahn, David. The Codebreakers, 1967, 2nd edition 1996, Chapter 13. McKay, C.G. and Beckman, Bengt

History of the Knights Templar (6,216 words) [view diff] exact match in snippet view article find links to article

History of the Knights Templars, 1842, pp. 141–49. Kahn, David (1996). The Codebreakers. Scribner. p. 823. ISBN 978-0684831305. Probst-Biraben, J.H.; Maitrot

Vacuum tube (15,318 words) [view diff] exact match in snippet view article find links to article

Books. ISBN 1-84354-330-3. Smith, Michael (1999) [1998], Station X: The Codebreakers of Bletchley Park, Channel 4 Books, ISBN 978-0-7522-2189-2 Wikimedia

Anthony Blunt (7,570 words) [view diff] case mismatch in snippet view article find links to article

compromised, they would change the settings of the Enigma wheels, blinding the codebreakers. Full details of the entire Operation Ultra were fully known by only

Dilly Knox (2,499 words) [view diff] exact match in snippet view article find links to article

Flamingo. ISBN 978-0-00-711830-4. Gannon, Paul (2011), Inside Room 40: The Codebreakers of World War I, London, UK: Ian Allan Publishing, ISBN 978-0-7110-3408-2

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January 2006. Retrieved 24 August 2021. Bamzai, Kaveree (7 March 2005). "The codebreakers". India Today. Vol. 3–4, no. 4–17. p. 44. Archived from the original

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Houghton Mifflin Co., ISBN 978-0-395-42739-2 Kahn, David (1966), The Codebreakers: The Comprehenisve History of Secret Communication from Ancient Times

Marian Rejewski (8,811 words) [view diff] exact match in snippet view article find links to article

Houghton Mifflin Co., ISBN 978-0-395-42739-2 Kahn, David (1996), The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

The Amazing Race 31 (7,647 words) [view diff] case mismatch in snippet view article find links to article

In England, teams visited Dover Castle, where one team member had to decipher a code much like the codebreakers of World War II did.

Giovan Battista Bellaso (1,623 words) [view diff] exact match in snippet view article find links to article

nuove scienze, “Opere”, Ediz. Naz. Vol. VIII, Firenze. Kahn, David, The Codebreakers, pocket book updated edition, Sphere Books, London 1973. Vigenère,

April 1943 (5,531 words) [view diff] exact match in snippet view article find links to article

Dedicated By FDR", Miami Dalily News, April 13, 1943, p1 David Kahn, The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

HMS Lawford (1913) (3,257 words) [view diff] case mismatch in snippet view article

Hartlepool and Whitby. The British were warned of the German attack by the codebreakers of Room 40, and deployed ships from the Grand Fleet and from the Harwich

Tonnage war (1,962 words) [view diff] case mismatch in snippet view article find links to article

important factor in the British anti-submarine effort was the success of the codebreakers at Bletchley Park in reading U-boat messages encrypted using the German

Operation FB (3,043 words) [view diff] exact match in snippet view article find links to article

VA: Merriam Press. ISBN 978-1-57638-118-2. Kahn, D. (1973) [1967]. The Codebreakers: The Story of Secret Writing (10th abr. Signet, Chicago ed.). New York:

HMS Lark (1913) (3,560 words) [view diff] case mismatch in snippet view article

East Coast towns of Scarborough, Whitby and Hartlepool. Warned by the codebreakers of Room 40, the British ordered a force of battlecruisers and battleships

French Resistance (33,000 words) [view diff] case mismatch in snippet view article find links to article

through and forced the Germans to use their radios to communicate. As the codebreakers of Bletchley Park had broken many of the codes encrypted by the Enigma

Clandestine HUMINT and covert action (6,764 words) [view diff] exact match in snippet view article find links to article

requires |journal= (help)[permanent dead link] Kahn, David (1996). The Codebreakers - The Story of Secret Writing. Scribners. ISBN 0-684-83130-9. Kahn

Renaissance magic (10,209 words) [view diff] exact match in snippet view article find links to article

on 27 November 2006, retrieved 27 October 2006. Kahn, David (1967). The Codebreakers: The Story of Secret Writing. Macmillan. ISBN 978-0025604605. Kahn

History of computing hardware (17,621 words) [view diff] exact match in snippet view article find links to article

McGraw-Hill, pp. 180–181 Smith, Michael (2007) [1998], Station X: The Codebreakers of Bletchley Park, Pan Grand Strategy Series, London: Pan MacMillan

Prelude to the attack on Pearl Harbor (7,393 words) [view diff] exact match in snippet view article find links to article

Washington Post. ISSN 0190-8286. Retrieved November 5, 2020. Kahn, David. The Codebreakers; Prange et al., Peaarl Harbor: The Verdict of History. Costello, John

January 1917 (6,592 words) [view diff] exact match in snippet view article find links to article

General Staff 1920, pp. 739-40 Gannon, Paul (2011). Inside Room 40: The Codebreakers of World War I. London: Ian Allan Publishing. ISBN 978-0-7110-3408-2

F. L. Lucas (12,663 words) [view diff] exact match in snippet view article find links to article

Office documents, ref. HW3/119 and /120; Smith, Michael, Station X: The Codebreakers of Bletchley Park (London, 1998); Smith, Michael, The Secrets of Station

Maximilian I, Holy Roman Emperor (43,322 words) [view diff] exact match in snippet view article find links to article

Retrieved 23 November 2021. Metzig 2016, p. 90. Kahn, David (1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

Clandestine HUMINT operational techniques (7,835 words) [view diff] exact match in snippet view article find links to article

of Soviet secret agents, Reader's Digest Press David Kahn (1974), The Codebreakers: The Story of Secret Writing, Macmillan, ISBN 0025604600 National Security

Middleton family (15,539 words) [view diff] case mismatch in snippet view article find links to article

with the British Red Cross ... Furness, H. (14 May 2019). "Kate meets the codebreakers: Duchess of Cambridge tells of her sadness over her grandmother's secret

Servizio Informazioni Militare (4,179 words) [view diff] exact match in snippet view article find links to article

original on 2008-03-30. Retrieved 2014-10-06. Kahn, David (1967). The Codebreakers. The Story of Secret Writing. Weidenfeld & Nicolson. pp. 469–470. Meleca

Convoy PQ 18 (8,395 words) [view diff] exact match in snippet view article find links to article

IV. London: HMSO. ISBN 978-0-11-630075-1. Kahn, D. (1973) [1967]. The Codebreakers: The Story of Secret Writing (10th abr. Signet, Chicago ed.). New York:

Elyesa Bazna (6,338 words) [view diff] case mismatch in snippet view article find links to article

German messages, coded by the Enigma machine. From that information the codebreakers knew that there was an intelligence breach, but did not know that the

Convoy PQ 8 (6,143 words) [view diff] exact match in snippet view article find links to article

ISBN 978-0-11-630075-1 – via Archive Foundation. Kahn, D. (1973) [1967]. The Codebreakers: The Story of Secret Writing (10th abr. Signet, Chicago ed.). New York:

Intelligence dissemination management (9,691 words) [view diff] exact match in snippet view article find links to article

Weidenfeld and Nicolson. ISBN 0-297-76832-8. Kahn, David (1996). The Codebreakers - The Story of Secret Writing. Scribners. ISBN 0-684-83130-9. Suvorov

Operation Orator (7,421 words) [view diff] exact match in snippet view article find links to article

ed.). London: HMSO. ISBN 978-0-11-630961-7. Kahn, D. (1973) [1967]. The Codebreakers: The Story of Secret Writing (10th abr. Signet, Chicago ed.). New York:

History of espionage (15,451 words) [view diff] case mismatch in snippet view article find links to article

codenamed PURPLE (from the color obtained by mixing red and blue), baffled the codebreakers until they realized that it was not a manual additive or substitution

Convoy PQ 16 (9,818 words) [view diff] exact match in snippet view article find links to article

Chatham/Lionel Leventhal. ISBN 978-1-86176-293-1. Kahn, D. (1973) [1967]. The Codebreakers: The Story of Secret Writing (10th abr. Signet, Chicago ed.). New York:

Convoy QP 14 (7,462 words) [view diff] exact match in snippet view article find links to article

IV. London: HMSO. ISBN 978-0-11-630075-1. Kahn, D. (1973) [1967]. The Codebreakers: The Story of Secret Writing (10th abr. Signet, Chicago ed.). New York:

Red Orchestra (espionage) (26,898 words) [view diff] case mismatch in snippet view article

Publications of America. ISBN 978-0-89093-203-2. Kahn, David (1996). The codebreakers : the story of secret writing (Revised ed.). New York: Scribner's and

Kanalkampf (18,977 words) [view diff] case mismatch in snippet view article find links to article

battle and equipment. The accumulation of information allowed AI and the codebreakers at Bletchley Park to glean strategic intelligence from tactical signals

Pers Z S (7,885 words) [view diff] exact match in snippet view article find links to article

169–185. doi:10.1080/08850609608435314. David Kahn (5 December 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

B-Dienst (16,891 words) [view diff] exact match in snippet view article find links to article

codebreaking 1939–45, Osprey, ISBN 978-1472829504 David Kahn (1996) [1967]. The Codebreakers. Scribner. pp. 435–477. ISBN 978-0-684-83130-5. Jak P. Mallmann-Showell

Research Office of the Reich Air Ministry (6,889 words) [view diff] exact match in snippet view article find links to article

p. 7. Retrieved 29 July 2014. David Kahn (5 December 1996). "12". The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

A Kind of Spark (TV series) (532 words) [view diff] exact match in snippet view article

Losey Vicki Lutas and Anna McCleery 26 April 2024 (2024-04-26) 6 "The Codebreakers" Matt Holt Scott Payne 26 April 2024 (2024-04-26) 7 "Miriam" Matt Holt

Malcolm Vivian Hay (1,058 words) [view diff] exact match in snippet view article find links to article

31-41 Hay 1971, pp. 42-51. Wylie, James; McKinley, Michael (2016). The Codebreakers: The Secret Intelligence Unit That Changed the Course of the First

Cipher Department of the High Command of the Wehrmacht (15,440 words) [view diff] exact match in snippet view article find links to article

revised and expanded edition. 2000, p. 412 David Kahn (5 December 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

List of people associated with Bletchley Park (2,979 words) [view diff] exact match in snippet view article find links to article

Retrieved 18 February 2024. Smith, Michael (1999) [1998], Station X: The Codebreakers of Bletchley Park, Channel 4 Books, p. 87, ISBN 978-0-7522-2189-2 "John

Electrical telegraphy in the United Kingdom (16,232 words) [view diff] exact match in snippet view article find links to article

in Victorian England, Springer, 2016 ISBN 134913337X. Kahn, David, The Codebreakers: The Story of Secret Writing, New York: Macmillan, 1967 OCLC 855457547

Bibliography of World War I (13,862 words) [view diff] exact match in snippet view article find links to article

War." Journal of Intelligence History 5#2 (2005): 1–24. Khan, David. The Codebreakers (1996). Covers the breaking of Russian codes Kahn, David. "Codebreaking

General der Nachrichtenaufklärung (38,821 words) [view diff] exact match in snippet view article find links to article

Media. p. 33. ISBN 978-3-642-59663-6. David Kahn (5 December 1996). The Codebreakers: The Comprehensive History of Secret Communication from Ancient Times

List of World War II films since 1990 (866 words) [view diff] case mismatch in snippet view article find links to article

Enigma Michael Apted How the German Enigma machine was cracked by the codebreakers at Bletchley Park 2001 Japan Firefly Hotaru (ホタル) Yasuo Furuhata Based

History of magic (26,568 words) [view diff] exact match in snippet view article find links to article

North Atlantic Books. ISBN 978-0-312-25243-4. Kahn, David (1967). The Codebreakers: The Story of Secret Writing. Macmillan. ISBN 978-0025604605. Kahn