Cryptanalysis of the Enigma by the letters on the top row of the Enigma keyboard. So, "continuation of message sent at 2330" was represented as "FORTYWEEPYYWEEPY". "Cribs" were fundamental to the British approach to solving Enigma keys, but guessing the plaintext for a message was a highly skilled business. So in 1940 Stuart Milner-Barry set up a special "Crib Room" in Hut 8. Foremost amongst the knowledge needed for identifying cribs was the text of previous decrypts. Bletchley Park maintained detailed indexes of message preambles, of every person, of every ship, of every unit, of every weapon, of every technical term and of repeated
Cracking The Code Guitarist Mick Taylor and jazz trombonist Chris Barber also appear on the album and have been long-term collaborators with Petit since their involvement in his successful campaign to "Save The 100 Club" in December 2010. Their contributions were recorded at Petit’s home studio in late 2012. Mick Taylor spoke of "Cracking The Code" to "Guitar & Bass Magazine": "I went to see Bill Wyman’s Rhythm Kings and when I went to meet Bill backstage there were a few guitar fanatics there. A few of them said "we really enjoyed your playing on the Stephen Dale Petit album" it was nice