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Wiktionary
codebreaker

n. A cryptanalyst, one who decodes messages without the key.

Wikipedia
Codebreaker

Codebreaker may refer to:

  • A person who performs cryptanalysis
  • The Codebreakers, a 1967 book on history of cryptography by David Kahn
  • Codebreaker (video game), a 1981 puzzle-based computer game, originally released for the Atari 2600
  • Codebreaker (film), 2011 film produced by Channel 4 about Alan Turing
  • Code Breaker, a cheat device for PlayStation 2 and Nintendo DS
  • Code: Breaker, a 2008 manga created by Akimine Kamijyo
  • A wrestling move used by Chris Jericho, a Canadian professional wrestler
Codebreaker (film)

Codebreaker ( 2011), original UK title Britain's Greatest Codebreaker, is a TV film aired on 21 November 2011 by Channel 4 about the life of Alan Turing. The film had a limited release in the U.S. beginning on 17 October 2012. The story is told as a discussion between Alan Turing and his psychiatrist Dr. Franz Greenbaum. The story is based on journals maintained by Dr. Franz Greenbaum and others who have studied the life of Alan Turing and also some of his colleagues.

Usage examples of "codebreaker".

The picture painted by the documents and interrogations showed that while a number of lower-level systems had been read by German codebreakers, the most important ciphers remained impenetrable.

German codebreakers, some of which were conducted at a secret location codenamed Dustbin.

There, translators, codebreakers, computers, and traffic analysts could dissect the signals.

Of those, American codebreakers obtained about a million, 30,000 of which had been enciphered with the duplicate pages.

In fact, the first few decrypts of enciphered North Korean air traffic were produced not by professional codebreakers but by an uncleared U.

Where the National Sigint Operations Center had been the exclusive club of the eavesdroppers and codebreakers, Minihan brought in the Infosec folks and renamed it the National Security Operations Center.

The intercepts were then forwarded to Arlington Hall, headquarters of the Army codebreakers, over forty-six special secure teletype lines.

Soviet Union created a need for exotic languages, the proliferation of low-cost, complex encryption systems and fast computers has forced NSA to search for more mathematicians whom they can convert to codebreakers.

San Francisco Conference, for example, American codebreakers were reading messages sent to and from the French delegation, which was using the Hagelin M-209, a complex six-wheel cipher machine broken by the Army Security Agency during the war.

Russian Fish machine by TICOM at the end of the war, and the ability to read a variety of diplomatic, KGB, and trade messages as a result of the Venona breakthrough on Soviet onetime pads, American codebreakers had been astonishingly lucky.

Friedman, Chief Cryptanalyst of the Army Signal Corps, a team of codebreakers had solved Japan's enciphered dispatches, deduced the nature of the mechanism that would effect those letter transformations, and painstakingly built up an apparatus that cryptographically duplicated the Japanese machine.

Perhaps the codebreakers also assumed that the new machine comprised essentially a more complicated and improved version of the one it replaced.

Furthermore, knowledge of the shuffles enabled the codebreakers to read all the traffic of a period even though they could solve only one of the daily keys.

The codebreakers had to take an examination in the language every four years to prove their continued competence, and many of them learned four languages, taking an examination each year and brushing up at the local Berlitz school for a month before the test.

Even the codebreakers who were interested in their influence on their country's policy could rarely learn anything about it: the diplomats seldom told them, and Selchow stood between them and the users.