The appeal of __________ is that its designers have been able to prove an exact relationship between the strength of the embedded hash function and the strength of this form of authentication.
A)MAC
B)HMAC
C)GMAC
D)CMAC

Question

Quizplus · Accepted Answer

The appeal of HMAC is that it uses a hash function in combination with a secret key to provide message authentication, and its security is directly related to the strength of the hash function. The strength of HMAC has been extensively analyzed and proven, making it a widely accepted and recommended form of authentication. MAC, GMAC, and CMAC also use hash functions, but do not have the same level of security analysis and guarantee as HMAC.

The Appeal of __________ Is That Its Designers Have Been