===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-ed25519.c,v
retrieving revision 1.14
retrieving revision 1.15
diff -u -r1.14 -r1.15
--- src/usr.bin/ssh/ssh-ed25519.c	2022/10/28 00:39:29	1.14
+++ src/usr.bin/ssh/ssh-ed25519.c	2022/10/28 00:41:17	1.15
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-ed25519.c,v 1.14 2022/10/28 00:39:29 djm Exp $ */
+/* $OpenBSD: ssh-ed25519.c,v 1.15 2022/10/28 00:41:17 djm Exp $ */
 /*
  * Copyright (c) 2013 Markus Friedl <markus@openbsd.org>
  *
@@ -73,6 +73,17 @@
 	return 0;
 }
 
+static int
+ssh_ed25519_copy_public(const struct sshkey *from, struct sshkey *to)
+{
+	if (from->ed25519_pk == NULL)
+		return 0; /* XXX SSH_ERR_INTERNAL_ERROR ? */
+	if ((to->ed25519_pk = malloc(ED25519_PK_SZ)) == NULL)
+		return SSH_ERR_ALLOC_FAIL;
+	memcpy(to->ed25519_pk, from->ed25519_pk, ED25519_PK_SZ);
+	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)
@@ -208,6 +219,7 @@
 	/* .equal = */		ssh_ed25519_equal,
 	/* .ssh_serialize_public = */ ssh_ed25519_serialize_public,
 	/* .generate = */	ssh_ed25519_generate,
+	/* .copy_public = */	ssh_ed25519_copy_public,
 };
 
 const struct sshkey_impl sshkey_ed25519_impl = {