Banking -- Requirements for message authentication (wholesale)
Operation implies acceptance of the responsibility for their MAC (message authentication code) by the correspondent financial institutions. Specifies the method by which authentication algorithms are to be approved for inclusion in ISO 8731. It specifies a technique for protecting either the whole of the message or specified elements within it. The authentication of messages is independent of the transmission process used. This IS is designated for use with symmetric algorithms where sender and receiver use the same key.