Homomorphic encryption

Homomorphic encryption is a form of encryption that when computing on cipher texts, generates an encrypted result which, when decrypted, matches the result of the computation as if it had been performed on the plain text.

Definitions

According to the CyBOK (version 1),

Homomorphic encryption. A form of encryption that when computing on cipher texts, generates an encrypted result which, when decrypted, matches the result of the computation as if it had been performed on the plain text.