Schlagwort: double box

„Can you solve these double-box messages from WW2? – Klausis Krypto Kolumne“ Crypto history expert Frode Weierud has provided me a number of unsolved German cipher messages from the Second World War. Can a reader break them? Three weeks ago, I introduced the double box (Doppelkasten) cipher, a manual encrption method used by the Germans…

„Can you decipher this cryptogram made with a German WW2 cipher? – Klausis Krypto Kolumne“ In the Second World War, the Germans used a manual cipher, the “double box”. Here’s a double-box cryptogram for my readers to solve. The Doppelkasten-Schlüssel (double box cipher) was one of the most popular encryption systems of the Second World…