===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-ecdsa-sk.c,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -r1.10 -r1.11
--- src/usr.bin/ssh/ssh-ecdsa-sk.c	2022/10/28 00:36:31	1.10
+++ src/usr.bin/ssh/ssh-ecdsa-sk.c	2022/10/28 00:37:24	1.11
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-ecdsa-sk.c,v 1.10 2022/10/28 00:36:31 djm Exp $ */
+/* $OpenBSD: ssh-ecdsa-sk.c,v 1.11 2022/10/28 00:37:24 djm Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2010 Damien Miller.  All rights reserved.
@@ -63,6 +63,21 @@
 	return 1;
 }
 
+static int
+ssh_ecdsa_sk_serialize_public(const struct sshkey *key, struct sshbuf *b,
+    const char *typename, enum sshkey_serialize_rep opts)
+{
+	int r;
+
+	if ((r = sshkey_ecdsa_funcs.serialize_public(key, b,
+	    typename, opts)) != 0)
+		return r;
+	if ((r = sshkey_serialize_sk(key, b)) != 0)
+		return r;
+
+	return 0;
+}
+
 /*
  * Check FIDO/W3C webauthn signatures clientData field against the expected
  * format and prepare a hash of it for use in signature verification.
@@ -328,6 +343,7 @@
 	/* .alloc = */		NULL,
 	/* .cleanup = */	ssh_ecdsa_sk_cleanup,
 	/* .equal = */		ssh_ecdsa_sk_equal,
+	/* .ssh_serialize_public = */ ssh_ecdsa_sk_serialize_public,
 };
 
 const struct sshkey_impl sshkey_ecdsa_sk_impl = {