Full Description

ISO/IEC 18033-6:2019 specifies the following mechanisms for homomorphic encryption.

Exponential ElGamal encryption;

Paillier encryption.

For each mechanism, this document specifies the process for:

generating parameters and the keys of the involved entities;

encrypting data;

decrypting encrypted data; and

homomorphically operating on encrypted data.

Annex A defines the object identifiers assigned to the mechanisms specified in this document. Annex B provides numerical examples.