The unbreakable World War II German Enigma machine is one of the most well-known encryption machines ever made. Yet, unbenownst to the enemy, it was a failure before the war even began. National Crpytologic Museum Curator Patrick D. Weadon explains how the hard work and determination of mathematicians, engineers, cryptanalysts, and early computer scientists achieved the impossible and broke the invincible Enigma. Kredit : National Security Agency | Geng Keselamatan Negara