cryptography algorithms
- Affine
- Atbash
- Autokey
- Beaufort
- Caesar
- Chaocipher
- Great
- Hill
- Pigpen
- ROT13
- Running key
- Keyword cipher
- Columnar
- Double
- Myszkowski
- Rail fence
- Route
- Playfair
- Two-square
- Four-square
- ADFGVX
- ADFGX
- Bifid
- Nihilist
- Tap code
- Trifid
- VIC cipher
- Alberti
- Enigma
- Trithemius
- Vigenère
- BATCO
- DRYAD
- Kama Sutra
- One-time pad
- Rasterschlüssel 44
- Reihenschieber
- Reservehandverfahren
- Slidex
- Solitaire