-.\" $OpenBSD: ccp.4,v 1.4 2019/04/23 20:23:36 jmc Exp $
+.\" $OpenBSD: ccp.4,v 1.5 2024/09/01 19:32:48 bluhm Exp $
.\"
.\" Copyright (c) 2018 David Gwynne <dlg@openbsd.org>
.\"
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
-.Dd $Mdocdate: April 23 2019 $
+.Dd $Mdocdate: September 1 2024 $
.Dt CCP 4
.Os
.Sh NAME
.Nm
driver supports feeding output of the random number generator into
the kernel entropy pool.
+.Pp
+On amd64
+.Nm
+provides
+.Xr ioctl 2
+access to the platform security processor (PSP).
.Sh SEE ALSO
.Xr intro 4 ,
.Xr random 4 ,
.Nm
driver was written by
.An David Gwynne Aq Mt dlg@openbsd.org .
+PSP support was implemented by
+.An Hans-Joerg Hoexer Aq Mt hshoexer@genua.de .