The World's Most Comprehensive IT Compliance Dictionary
Acronym:
MAC
Noun
(1) A cryptographic checksum on data that uses a symmetric key to detect both accidental and intentional modifications of the data.
(2) A cryptographic checksum that results from passing data through a message authentication algorithm.
(3) An ANSI standard checksum that is computed using Data Encryption Standard (DES).
• Data associated with an authenticated message allowing a receiver to verify the integrity of the message.
• A cryptographic checksum on data that uses a symmetric key to detect both accidental and intentional modifications of the data.
(4) A specific ANSI standard for a checksum.
Release Version: Q3 11 - Final
Last Modified: 2011-09-19
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