| Magic(noun, technology, entity, history, cryptography) |
| Medieval cryptography(noun, expression, era, epoch, period time) |
| Mlecchita vikalpa(noun, expression, technology, entity, history) |
| Mulabhadra(noun, technology, entity, history, cryptography) |
| Operation CHAOS(noun, expression, technology, entity, history) |
| Operation Ruthless(noun, expression, technology, entity, history) |
| Password Hashing Competition(noun, expression, technology, entity, history) |
| Peter Novopashenny(noun, expression, technology, entity, history) |
| Poem code(noun, expression, technology, entity, history) |
| Polish Enigma double(noun, expression, technology, entity, history) |
| Pretty Good Privacy(noun, expression, technology, entity, history) |
| Project MERRIMAC(noun, expression, technology, entity, history) |
| Project RESISTANCE(noun, expression, technology, entity, history) |
| Rasterschlussel fourty-four(noun, expression, technology, entity, history) |
| Renaissance cryptography(noun, expression, era, epoch, period time) |
| Ricky McCormick's encrypted note(noun, expression, technology, entity, history) |
| Rohonc Codex(noun, expression, technology, entity, history) |
| Room fourty(noun, expression, technology, entity, history) |
| Slidex(noun, technology, entity, history, cryptography) |
| Station CAST(noun, expression, technology, entity, history) |