21/30401530 DC

This standard 21/30401530 DC BS ISO 16609. Financial services. Requirements for message authentication using symmetric techniques is classified in these ICS categories:

• 35.240.40 IT applications in banking

This International Standard specifies procedures, independent of the transmission process, for protecting the integrity of transmitted financial service related messages and for verifying that a message has originated from an authorized source, or that stored data has retained integrity. A list of block ciphers approved for the calculation of a message authentication code (MAC) is also provided. The authentication methods it defines are applicable to stored data and to messages formatted and transmitted both as coded character sets or as binary data.

This International Standard is designed for use with symmetric algorithms where both sender and receiver use the same key. It does not specify methods for establishing the shared key. Its application will not protect the user against internal fraud perpetrated by the sender or the receiver, nor against forgery of a MAC by the receiver.