MAC key

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Definition(s):

A symmetric key used as input to a security function to produce a message authentication code (MAC).
Source(s):
NIST SP 800-133 Rev. 2

Glossary Comments

Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.

Comments about the glossary's presentation and functionality should be sent to secglossary@nist.gov.

See NISTIR 7298 Rev. 3 for additional details.