List of cryptosystems
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A cryptosystem is a set of cryptographic algorithms that map ciphertexts and plaintexts to each other.
Private-key cryptosystems
Private-key cryptosystems use the same key for encryption and decryption.
- Caesar cipher
- Substitution cipher
- Enigma machine
- Data Encryption Standard
- Twofish
- Serpent
- Camellia
- Salsa20
- ChaCha20
- Blowfish
- CAST5
- Kuznyechik
- RC4
- 3DES
- Skipjack
- Safer
- IDEA
- Advanced Encryption Standard, also known as AES and Rijndael.
Public-key cryptosystems
Public-key cryptosystems use a public key for encryption and a private key for decryption.