Substitution Ciphers
Monomic, monoalphabetic substitution:
• Simple substitution cipher – Caesar Shift
Monomic, polyalphabetic substitution:
• Vigenere cipher
• Beaufort cipher
• Polyalphabetic substitution cipher
• Nihilist substitution cipher
• Homophonic substitution cipher
• Checkerboard cipher
• M Del Vayo cipher
Monoalphabetic substitution
• Playfair cipher
• Seriated Playfair
• Four square cipher
• Two square cipher
Transposition Ciphers
• Rail fence cipher
• Redfence cipher
• Columnar transposition
• Generic transposition cipher
Fractional Sustitution Ciphers, Combined Substitution/Transposition Ciphers
• Delastelle's ciphers
• Morse Code Based Ciphers