upstream: add valid-before="[time]" authorized_keys option. A

simple way of giving a key an expiry date. ok markus@

OpenBSD-Commit-ID: 1793b4dd5184fa87f42ed33c7b0f4f02bc877947

1 files changed, 6 insertions, 2 deletions

diff --git a/sshd.8 b/sshd.8
index 0d52cc50a..f973cc383 100644
--- a/sshd.8
+++ b/sshd.8
@@ -33,8 +33,8 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $OpenBSD: sshd.8,v 1.296 2018/03/03 06:37:53 dtucker Exp $
-.Dd $Mdocdate: March 3 2018 $
+.\" $OpenBSD: sshd.8,v 1.297 2018/03/12 00:52:01 djm Exp $
+.Dd $Mdocdate: March 12 2018 $
 .Dt SSHD 8
 .Os
 .Sh NAME
@@ -602,6 +602,10 @@ Enables execution of
 previously disabled by the
 .Cm restrict
 option.
+.It Cm valid-before="timespec"
+Specifies a time after which the key will not be accepted.
+The time may be specified as a YYYYMMDD date or a YYYYMMDDHHMM[SS] time
+in the system time-zone.
 .It Cm X11-forwarding
 Permits X11 forwarding previously disabled by the
 .Cm restrict