Audit Information systems & IT Security
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Audit Information systems & and IT Security

Information System audit and IT Security

Definitions and Terminology

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Message Authentication Code


(MAC) The string of bits which is the output of a MAC algorithm. NOTE – A MAC is sometimes called a cryptographic check value (see for example ISO 7498-2).

source: ISO13888-1, 2004

(MAC) the string of bits which is the output of a MAC algorithm. NOTE — A MAC is sometimes called a cryptographic check value (see for example ISO 7498-2).

source: ISO9797-2, 2002

MAC, String of bits which is the output of a MAC algorithm [ISO/IEC 9797-1]

source: ISO9798-6, 2005

(MAC) The block of data resulting when an electronic message and a cryptographic key are processed through a one-way hash function.

source: Champlain, Auditing Information Systems:2003


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