What does HMAC stand for?

What does HMAC mean?

HMAC	Hashed Message Authentication Code Computing » Networking
HMAC	Hazardous Materials Advisory Council Governmental » Transportation
HMAC	Hash-based Message Authentication Code Computing » Security
HMAC	Hobart Model Aero Club Miscellaneous » Hobbies
HMAC	Home Mortgage Acceptance Corporation Business » Firms
HMAC	Hater Magnet Apparel Company Business » Firms
HMAC	High Modulus Asphalt Concrete Miscellaneous » Unclassified
HMAC	Home Mission And Advancement Committee Miscellaneous » Unclassified