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Hash-Based Message Authentication Code (HMAC)

Abbreviation(s) and Synonym(s):

Definition(s):

  A message authentication code that uses a cryptographic key in conjunction with a hash function.
Source(s):
CNSSI 4009-2015 under hash-based message authentication code (HMAC) from FIPS 201-1
NISTIR 7711 under Hash-based Message Authentication Code
FIPS 201 [version unknown]

  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NIST SP 800-56C [Superseded] under HMAC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

  A message authentication code that uses an approved keyed-hash function (i.e., see FIPS 19812).
Source(s):
NIST SP 800-57 Part 1 Rev. 5 under Hash-based message authentication code (HMAC)

  A message authentication code that uses an approved keyed-hash function (i.e., FIPS 198).
Source(s):
NIST SP 800-57 Part 1 Rev. 3 [Superseded] under Hash-based message authentication code (HMAC)

  A message authentication code that uses an approved keyed-hash function (i.e., [FIPS 198]).
Source(s):
NIST SP 800-57 Part 1 Rev. 4 [Superseded] under Hash-based message authentication code (HMAC)

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NIST SP 800-57 Part 1 Rev. 4 [Superseded] under HMAC