Keyed-Hash Message Authentication Code

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Abbreviations / Acronyms / Synonyms:

HMAC-hash

NIST SP 800-56B Rev. 2

HMAC

NIST SP 800-108r1

NIST SP 800-113

NIST SP 800-131A Rev.2

NIST SP 800-133 Rev. 2

NIST SP 800-175B Rev. 1

NIST SP 800-52 Rev. 2

NIST SP 800-56B Rev. 2

NIST SP 800-57 Part 1 Rev. 5

NIST SP 800-77 Rev. 1

NIST SP 800-90A Rev. 1

Definitions:

A message authentication code that uses a cryptographic key in conjunction with a hash function.
Sources:
CNSSI 4009-2015 under keyed hash-based message authentication code from FIPS 198-1

Keyed-Hash Message Authentication Code.
Sources:
NIST SP 800-185 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.