-.\" $OpenBSD: bioctl.8,v 1.97 2015/09/12 14:21:25 schwarze Exp $
+.\" $OpenBSD: bioctl.8,v 1.98 2015/10/22 08:35:18 jmc Exp $
.\"
.\" Copyright (c) 2004, 2005 Marco Peereboom
.\"
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd $Mdocdate: September 12 2015 $
+.Dd $Mdocdate: October 22 2015 $
.Dt BIOCTL 8
.Os
.Sh NAME
.It Fl p Ar passfile
Passphrase file used when crypto volumes are brought up.
This file must be root owned and have 0600 permissions.
-This option cannot be used during the initial creation of the crypto volume.
.It Fl r Ar rounds
When creating an encrypted volume, specifies the number of iterations of
the PBKDF2 algorithm used to convert a passphrase into a key.