===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/ssh-xmss.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- src/usr.bin/ssh/ssh-xmss.c	2022/10/28 00:35:40	1.6
+++ src/usr.bin/ssh/ssh-xmss.c	2022/10/28 00:36:31	1.7
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-xmss.c,v 1.6 2022/10/28 00:35:40 djm Exp $*/
+/* $OpenBSD: ssh-xmss.c,v 1.7 2022/10/28 00:36:31 djm Exp $*/
 /*
  * Copyright (c) 2017 Stefan-Lukas Gazdag.
  * Copyright (c) 2017 Markus Friedl.
@@ -48,6 +48,18 @@
 	k->xmss_filename = NULL;
 }
 
+static int
+ssh_xmss_equal(const struct sshkey *a, const struct sshkey *b)
+{
+	if (a->xmss_pk == NULL || b->xmss_pk == NULL)
+		return 0;
+	if (sshkey_xmss_pklen(a) != sshkey_xmss_pklen(b))
+		return 0;
+	if (memcmp(a->xmss_pk, b->xmss_pk, sshkey_xmss_pklen(a)) != 0)
+		return 0;
+	return 1;
+}
+
 int
 ssh_xmss_sign(const struct sshkey *key, u_char **sigp, size_t *lenp,
     const u_char *data, size_t datalen, u_int compat)
@@ -200,6 +212,7 @@
 	/* .size = */		NULL,
 	/* .alloc = */		NULL,
 	/* .cleanup = */	ssh_xmss_cleanup,
+	/* .equal = */		ssh_xmss_equal,
 };
 
 const struct sshkey_impl sshkey_xmss_impl = {