The appeal of HMAC is that its designers have been able to prove anexact relationship between the strength of the embedded hash function and the strength of HMAC.

Question

Quizplus · Accepted Answer

This statement is true. The security of HMAC is based on the strength of the underlying hash function, and the designers of HMAC have been able to mathematically prove that the strength of HMAC is directly related to the strength of the hash function used. This provides a strong level of confidence in the security of HMAC as long as a secure hash function is used.

The Appeal of HMAC Is That Its Designers Have Been