1985 | OriginalPaper | Chapter
A Message Authenticator Algorithm Suitable for a Mainframe Computer
Author : Donald Watts Davies
Published in: Advances in Cryptology
Publisher: Springer Berlin Heidelberg
Included in: Professional Book Archive
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Authenticators are widely used to protect payment messages againts active attack. They produce a number, sometimes called a ‘MAC’ which is a function of the whole message and a secrety key. the earlier name for them in banking was ‘test-key’, but this obsolescent term is confusing to cryptographers.