Hash Message Authentication Code

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Abbreviation(s) and Synonym(s):

HMAC

NIST SP 800-121 Rev. 2, NIST SP 800-48 Rev. 1, NIST SP 800-77, NIST SP 800-97

Definition(s):

  Keyed-hash Message Authentication Code (as specified in FIPS 198-1).
Source(s):
NIST SP 800-108 under HMAC
NIST SP 800-56C [Superseded] under HMAC

  Keyed-Hash Message Authentication Code.
Source(s):
NIST SP 800-185 under HMAC

  Keyed-Hash Message Authentication Code specified in [FIPS198].
Source(s):
NIST SP 800-57 Part 1 Rev. 4 [Superseded] under HMAC

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.

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Hash Message Authentication Code

Glossary Comments