A worked example of a one-time pad is needed, showing how two different pads can be used to decrypt a ciphertext into contradictory plaintexts.
The history of the invention of the one-time pad
An explanation of why, when hearing that a piece of encryption software uses a "one-time pad", most cryptographers burst into peals of hysterical laughter (cf. Snake oil (cryptography).
Maybe instructions on how to make a pad by hand.
Section on quantum/post quantum crypto. (if somebody could look it over that would be great)
Cite uncited sections
The mistake found in Shannon's proof and the counterexample should be included