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
It Was the War of the Trenches grandfather, who was a veteran of that war, and books he read about the topic. He said: "When I was small, my grandmother used to tell me stories about my grandfather in the First World War. I think the first book I read that wasn’t a picture book was a war story about an army dog who saved his master. And I still get this recurring nightmare of finding myself standing in front of a Call-Up poster - it’s a personal anxiety of mine, being caught up in a situation I can’t control." The stories focus on the daily horrors