It's pretty common knowledge (as outlined by the answer in this question: "This telegram must be closely paraphrased before being communicated to anyone." Why? and other sources) that one of the reasons Enigma was able to be broken by the Allies during WWII was that the Germans were rather lax in their use of best practices of cryptography. If the Germans HAD been using best practices in all of their Enigma use, could Enigma have been broken with the computational capabilities available durin...