Whitepaper by OpenBSD developers Niels Provos and David Mazières discussing ways of building systems in which password security keeps up with hardware speeds.
Whitepaper presented at USENIX 99 by OpenBSD developers Theo de Raadt, Niklas Hallqvist, Artur Grabowski, Angelo D. Keromytis, and Niels Provos discussing the cryptography employed in OpenBSD.