The Vernam cipher is actually quite strong when used correctly - the key needs to be as long as the input; it's never repeated :) http://en.wikipedia.org/wiki/

The Vernam cipher is actually quite strong when used correctly - the key needs to be as long as the input; it's never repeated :) http://en.wikipedia.org/wiki/Gilbert_Vernam#The_Vernam_cipher http://en.wikipedia.org/wiki/Gilbert_Vernam#The_Vernam_ciphe...