Update #0004 released.
- Natural observation and perception of statistics and algebra. 2 new scenes.
- Algebraic presentations of the DES internal mechanism on chalkboards.
- Algebraic presentations of DES primitives: expansion permutation, subkey, key schedule, mixing, substitution-box, permutation. 6 new scenes.
- Unmount/mount cryptanalytic attacks depending on the completeness. Status viewable on laptop.
- Edited some wording of a few dialogs to follow the nomenclature.