| Correlation between the secret key and the output of the cryptosystem is the main source of information to the cryptanalyst. |
| In the discussion of the preceding paragraphs, the cryptanalyst knows only the ciphertext and general structural information about the plaintext. |
| During World War II, Turing was a leading cryptanalyst at the Government Code and Cypher School in Bletchley Park, Buckinghamshire, England. |
| This was discovered by an astute cryptanalyst at Central Bureau and in April 1943 that code was broken. |
| Alan Mathison Turing was an English mathematician, logician, cryptanalyst, and computer scientist. |
| Despite his powerful intellect, he always claimed modestly that he was not clever enough to be a cryptanalyst. |
