About

Encryption is the function of a cipher that transforms usable data into an unreadable form.

It provides confidentiality ¹⁾ if a secret is used in the encryption.

List

There is two class of encryption.

• an asymmetric encryption that used the private key of the private/public key pair
  • Cryptography - Public Key Encryption
  • Enveloped Public Key Encryption (EPKE)
  • …
• a symmetric encryption that uses:
  • a shared secret
  • no key such as digest (hash) or base encryption (base64, 36, …)