===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-ecdsa-sk.c,v
retrieving revision 1.15
retrieving revision 1.16
diff -u -r1.15 -r1.16
--- src/usr.bin/ssh/ssh-ecdsa-sk.c	2022/10/28 00:43:08	1.15
+++ src/usr.bin/ssh/ssh-ecdsa-sk.c	2022/10/28 00:44:17	1.16
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-ecdsa-sk.c,v 1.15 2022/10/28 00:43:08 djm Exp $ */
+/* $OpenBSD: ssh-ecdsa-sk.c,v 1.16 2022/10/28 00:44:17 djm Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2010 Damien Miller.  All rights reserved.
@@ -78,6 +78,23 @@
 }
 
 static int
+ssh_ecdsa_sk_serialize_private(const struct sshkey *key, struct sshbuf *b,
+    enum sshkey_serialize_rep opts)
+{
+	int r;
+
+	if (!sshkey_is_cert(key)) {
+		if ((r = sshkey_ecdsa_funcs.serialize_public(key,
+		    b, opts)) != 0)
+			return r;
+	}
+	if ((r = sshkey_serialize_private_sk(key, b)) != 0)
+		return r;
+
+	return 0;
+}
+
+static int
 ssh_ecdsa_sk_copy_public(const struct sshkey *from, struct sshkey *to)
 {
 	int r;
@@ -369,6 +386,7 @@
 	/* .equal = */		ssh_ecdsa_sk_equal,
 	/* .ssh_serialize_public = */ ssh_ecdsa_sk_serialize_public,
 	/* .ssh_deserialize_public = */ ssh_ecdsa_sk_deserialize_public,
+	/* .ssh_serialize_private = */ ssh_ecdsa_sk_serialize_private,
 	/* .generate = */	NULL,
 	/* .copy_public = */	ssh_ecdsa_sk_copy_public,
 	/* .sign = */		NULL,