keyed hash message authentication code (HMAC)

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Abbreviation(s) and Synonym(s):

HMAC

NIST SP 800-113, NIST SP 800-133 Rev.1, NIST SP 800-175B Rev. 1, NIST SP 800-77 Rev. 1

HMAC-hash

NIST SP 800-56B Rev. 2

Definition(s):

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

  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NIST SP 800-56C [Superseded] under HMAC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 (as specified in [FIPS 198]) with an approved hash function hash.
Source(s):
NIST SP 800-56A Rev. 2 [Superseded] under HMAC-hash
NIST SP 800-56B Rev. 1 [Superseded] under HMAC-hash

  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NIST SP 800-57 Part 1 Rev. 4 [Superseded] under HMAC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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Computer Security Resource Center

Computer Security Resource Center

keyed hash message authentication code (HMAC)

Glossary Comments