===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-ecdsa.c,v
retrieving revision 1.23
retrieving revision 1.24
diff -u -r1.23 -r1.24
--- src/usr.bin/ssh/ssh-ecdsa.c	2022/10/28 00:43:08	1.23
+++ src/usr.bin/ssh/ssh-ecdsa.c	2022/10/28 00:44:17	1.24
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-ecdsa.c,v 1.23 2022/10/28 00:43:08 djm Exp $ */
+/* $OpenBSD: ssh-ecdsa.c,v 1.24 2022/10/28 00:44:17 djm Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2010 Damien Miller.  All rights reserved.
@@ -100,6 +100,22 @@
 }
 
 static int
+ssh_ecdsa_serialize_private(const struct sshkey *key, struct sshbuf *b,
+    enum sshkey_serialize_rep opts)
+{
+	int r;
+
+	if (!sshkey_is_cert(key)) {
+		if ((r = ssh_ecdsa_serialize_public(key, b, opts)) != 0)
+			return r;
+	}
+	if ((r = sshbuf_put_bignum2(b,
+	    EC_KEY_get0_private_key(key->ecdsa))) != 0)
+		return r;
+	return 0;
+}
+
+static int
 ssh_ecdsa_generate(struct sshkey *k, int bits)
 {
 	EC_KEY *private;
@@ -342,6 +358,7 @@
 	/* .equal = */		ssh_ecdsa_equal,
 	/* .ssh_serialize_public = */ ssh_ecdsa_serialize_public,
 	/* .ssh_deserialize_public = */ ssh_ecdsa_deserialize_public,
+	/* .ssh_serialize_private = */ ssh_ecdsa_serialize_private,
 	/* .generate = */	ssh_ecdsa_generate,
 	/* .copy_public = */	ssh_ecdsa_copy_public,
 	/* .sign = */		ssh_ecdsa_sign,