===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-add.1,v
retrieving revision 1.69
retrieving revision 1.70
diff -u -r1.69 -r1.70
--- src/usr.bin/ssh/ssh-add.1	2019/01/21 12:53:35	1.69
+++ src/usr.bin/ssh/ssh-add.1	2019/10/31 21:19:56	1.70
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ssh-add.1,v 1.69 2019/01/21 12:53:35 djm Exp $
+.\"	$OpenBSD: ssh-add.1,v 1.70 2019/10/31 21:19:56 djm Exp $
 .\"
 .\" Author: Tatu Ylonen <ylo@cs.hut.fi>
 .\" Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -35,7 +35,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: January 21 2019 $
+.Dd $Mdocdate: October 31 2019 $
 .Dt SSH-ADD 1
 .Os
 .Sh NAME
@@ -46,6 +46,7 @@
 .Op Fl cDdkLlqvXx
 .Op Fl E Ar fingerprint_hash
 .Op Fl t Ar life
+.Op Fl S Ar provider
 .Op Ar
 .Nm ssh-add
 .Fl s Ar pkcs11
@@ -134,6 +135,11 @@
 .It Fl s Ar pkcs11
 Add keys provided by the PKCS#11 shared library
 .Ar pkcs11 .
+.It Fl S Ar provider
+Specifies a path to a security key provider library that will be used when
+adding any security key-hosted keys, overriding the default of using the
+.Ev "SSH_SK_PROVIDER"
+environment variable to specify a provider.
 .It Fl T Ar pubkey ...
 Tests whether the private keys that correspond to the specified
 .Ar pubkey
@@ -189,6 +195,9 @@
 Identifies the path of a
 .Ux Ns -domain
 socket used to communicate with the agent.
+.It Ev SSH_SK_PROVIDER
+Specifies the path to a security key provider library used to interact with
+hardware security keys.
 .El
 .Sh FILES
 .Bl -tag -width Ds