# private key cryptography

private key cryptographynoun

Any of various techniques that uses a single private key or a set of private keys for the encryption and decryption of data. Also called

*secret key cryptography*. Also called*symmetric key cryptography*.## private key cryptography - Computer Definition

Typically refers to secret key cryptography, which uses the same secret key. However, the use of the term "private" is confusing, because in public key cryptography (a different architecture), a "private key" is used. See cryptography.