... started to use enigma to send messages, the British thought the Enigma codes were unbreakable and they were not far wrong as it had 159, million, million, million possibilities. Bletchley Park needed a new breed of code breakers because the Enigma codes were so complex. The Enigma was a mathematical machine so Station X brought in mainly mathematicians from universities. They were used because breaking the Enigma codes depended on being able to predict the likelihood of random letters appearing in a sequence. They then put a cryptic crossword in a newspaper, the Daily Telegraph and anyone who could complete it within 12 minutes was hired. Huts 6 and 3 done most of the work at Bletchley Park. Hut 6 received signals and sorted them in order of importance. They then decoded and sent through a tunnel to Hut 3. Hut 3 turned the decoded message into text which made sense. ...

See this essay or coursework document in full right now