``Information is the oxygen of the modern age. It seeps through the walls topped by barbed wire, it wafts across the electrified borders.''
- Ronald ReaganThe transition of cryptography from pen and paper tricks and mathematical amusements to long complicated calculations and serious business was catalyzed by war. Just as the crusades, marked by bloody battles between the Muslim-lands and Christendom, ultimately led to the establishment of trade routes between the two great regions, so too does World War II kick-start the fast evolution of the cryptosystems that enabled global internet trade.