I remember I read that a MAC can be considered as a PRF.
Can a variable-length input keyed-PRF be considered as a MAC?
Usually. $\:$ A variable-length input keyed-PRF is a [PRF's output length]-bit MAC.
In particular, a variable-length input keyed-PRF with long output is automatically a MAC.
Sign up using Google
Sign up using Facebook
Sign up using Stack Exchange
9 months ago
Get the weekly newsletter!
see an example newsletter