common interface to HMAC functionality
This module provides common interface to HMAC functionality. HMAC is a
kind of "Message Authentication Code" (MAC) algorithm whose standard is
documented in RFC2104. Namely, a MAC provides a way to check the
integrity of information transmitted over or stored in an unreliable
medium, based on a secret key.

Maintainer: The OpenBSD ports mailing-list <ports@openbsd.org>
