Setting up full-disk encryption in OpenBSD 5.3 (opens in new tab)

I recently decided to try out a snapshot of , intrigued by the notice that softraid(4) RAID1 and crypto volumes are now bootable on i386 and amd64 (full disk encryption). I’ve always used an encrypted LVM (as setup by the alternate CD) with a fully encrypted root on my netbook and laptop when running Debian/Kubuntu and never noticed much a performance hit. Unfortunately, I’m who has noticed a significant drop in performance with full-disk encryption on OpenBSD. Although the steps required to ...