There is a seductive story that after the Second World War Britain sold off captured Enigma machines to other countries claiming, no doubt, that these machines were the best crypto devices available, and that the ciphers they created were completely unbreakable. Perfidious Albion, the story goes, then used the wartime techniques developed at Bletchley Park … Continue reading Did Britain sell Enigmas postwar?
Although the secret was kept for nearly 30 years after the end of WW2, it’s now nearly 50 years since the public was told that the Allies had broken literally millions of Enigma-encrypted messages during the war, providing a wealth of authentic Intelligence about German military plans, reactions, state of readiness, and so on. Miraculously, … Continue reading Who spilt the beans? How the Enigma secret was revealed
In 1943, the Canadian government issued a new 5-cent coin, a value commonly called a nickel because, in Canada and the USA, 5-cent coins had long been made of the metallic element nickel. However, this one was not made of nickel, and did not even have the silvery appearance of a traditional nickel. In 1942, … Continue reading Canada’s Coded Coin
Peter Calvocoressi, who worked at Bletchley Park as an Intelligence Officer, was surprised that, as a Greek, he was allowed into secret Intelligence work. He had been rejected by the Diplomatic Service in 1934 because he was not the son of British-born parents. However, this did not debar him from joining the RAF in 1942, … Continue reading BAME Codebreakers: Less diversity at Bletchley than in USA