Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

HMAC

Abbreviations / Acronyms / Synonyms:

hash-based message authentication code
Hash-based Message Authentication Code
Hash-Based Message Authentication Code
keyed hash-based message authentication code

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
NISTIR 7711 under Hash-based Message Authentication Code