Document CMS signing-time <> mod-time trick

diff --git a/usr.sbin/rpki-client/rpki-client.8 b/usr.sbin/rpki-client/rpki-client.8
index cc01982..68e28a4 100644 (file)
--- a/usr.sbin/rpki-client/rpki-client.8
+++ b/usr.sbin/rpki-client/rpki-client.8
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: rpki-client.8,v 1.95 2023/04/30 20:10:38 benno Exp $
+.\"    $OpenBSD: rpki-client.8,v 1.96 2023/06/07 16:23:02 job Exp $
 .\"
 .\" Copyright (c) 2019 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -14,7 +14,7 @@
 .\" 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 30 2023 $
+.Dd $Mdocdate: June 7 2023 $
 .Dt RPKI-CLIENT 8
 .Os
 .Sh NAME
@@ -391,6 +391,12 @@ agreement regarding ARIN service restrictions.
 .%U https://datatracker.ietf.org/doc/html/draft-ietf-sidrops-aspa-profile
 .%D Jan, 2023
 .Re
+.Pp
+.Rs
+.%T On the use of the CMS signing-time attribute in RPKI Signed Objects
+.%U https://datatracker.ietf.org/doc/html/draft-spaghetti-sidrops-cms-signing-time
+.%D June, 2023
+.Re
 .Sh HISTORY
 .Nm
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