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Computer Security Resource Center

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Hash- Based Message Authentication Code

Abbreviation(s) and Synonym(s):

HMAC

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NIST SP 800-56C [Superseded] under HMAC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NIST SP 800-57 Part 1 Rev. 4 [Superseded] under HMAC