Financial services. Requirements for message authentication using symmetric techniques algolia-search-ignore These guidelines cover the quality

These guidelines cover the quality aspects of the product

It also specifies the corresponding test methods

lies fully within the tolerances specified in this International Standard extended by the values for Umax

and of known concentration

Financial services. Requirements for message authentication using symmetric techniques algolia-search-ignore These guidelines cover the quality1 Scope This International Standard specifies procedures, independent of the transmission process, for protecting the integrity of transmitted banking messages and for verifying that a message has originated from an authorized source. 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 messages formatted and transmitted both as coded