cryptanalysis

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cryptanalysis

[‚krip·tə′nal·ə·səs]
(communications)
Steps and operations performed in converting encrypted messages into plain text without previous knowledge of the key employed.

cryptanalysis

The branch of cryptography concerned with decoding encrypted messages when you're not supposed to be able to.

cryptanalysis

The art of recovering original data (the plaintext) that has been encrypted (turned into ciphertext) without having access to the correct key used in the encryption process. When new encryption algorithms are introduced, cryptanalysis determines how hard it is to break the code. See encryption.
References in periodicals archive ?
The machine, which resembles an old-fashioned typewriter, had been loaned to Bletchley Park Trust by GCHQ, Britain's modern-day codebreaking organisation.
He was on the distribution list of ULTRA (the codebreaking portrayed in the book and film Enigma).
The codebreaking centre which helped win the Second World War is in danger of irreparable decay unless the Government steps in to help, leading scientists said yesterday.
The Herbert in Jordan Well, city centre, is holding a day of codebreaking in celebration of National Science Week.
In addition to the surveillance system comes a range of games around the espionage theme, from skydiving to codebreaking.
Mr Roberts, 88, of Broughton in North Wales, also saw out much of his service in North Africa and the Middle East, where he worked as a high-speed telegrapher sending messages to the MI6 codebreaking headquarters at Bletchley Park.
Which Second World War codebreaking centre is to be refurbished?
They are inviting people to an evening of Da Vinci codebreaking and historical research to sort the facts from the fantasy.
The theory has been put forward by an anonymous US researcher, who has worked in defence and applied standard codebreaking methods, while bearing in mind the historical context.
The man studied at Cambridge after leaving school and was definitely linked to Bletchley Park, the centre for British codebreaking during the war,but Anne and Helen, who vistedBletchley Park as part of their research,can not release his name until they are certain he worked on the Enigma codes.
At Britain's Bletchley Park codebreaking centre, Tom Jericho (Dougray Scott) races against the clock to decipher the new code and solve the riddle of his girlfriend's disappearance.
Not once does he capture the excitement or tension within the codebreaking huts - at times, the whole process is quite incomprehensible.