===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-ed25519.c,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -r1.12 -r1.13
--- src/usr.bin/ssh/ssh-ed25519.c	2022/10/28 00:36:31	1.12
+++ src/usr.bin/ssh/ssh-ed25519.c	2022/10/28 00:37:24	1.13
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-ed25519.c,v 1.12 2022/10/28 00:36:31 djm Exp $ */
+/* $OpenBSD: ssh-ed25519.c,v 1.13 2022/10/28 00:37:24 djm Exp $ */
 /*
  * Copyright (c) 2013 Markus Friedl <markus@openbsd.org>
  *
@@ -48,6 +48,21 @@
 	return 1;
 }
 
+static int
+ssh_ed25519_serialize_public(const struct sshkey *key, struct sshbuf *b,
+    const char *typename, enum sshkey_serialize_rep opts)
+{
+	int r;
+
+	if (key->ed25519_pk == NULL)
+		return SSH_ERR_INVALID_ARGUMENT;
+	if ((r = sshbuf_put_cstring(b, typename)) != 0 ||
+	    (r = sshbuf_put_string(b, key->ed25519_pk, ED25519_PK_SZ)) != 0)
+		return r;
+
+	return 0;
+}
+
 int
 ssh_ed25519_sign(const struct sshkey *key, u_char **sigp, size_t *lenp,
     const u_char *data, size_t datalen, u_int compat)
@@ -181,6 +196,7 @@
 	/* .alloc = */		NULL,
 	/* .cleanup = */	ssh_ed25519_cleanup,
 	/* .equal = */		ssh_ed25519_equal,
+	/* .ssh_serialize_public = */ ssh_ed25519_serialize_public,
 };
 
 const struct sshkey_impl sshkey_ed25519_impl = {