diff --git a/auth.h b/auth.h
index fffbe6c07..b235906cf 100644
--- a/auth.h
+++ b/auth.h
@@ -180,6 +180,8 @@ int	auth2_challenge(Authctxt *, char *);
 void	auth2_challenge_stop(Authctxt *);
 int	bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
 int	bsdauth_respond(void *, u_int, char **);
+int	skey_query(void *, char **, char **, u_int *, char ***, u_int **);
+int	skey_respond(void *, u_int, char **);
 
 int	allowed_user(struct passwd *);
 struct passwd * getpwnamallow(const char *user);
diff --git a/monitor_wrap.h b/monitor_wrap.h
index 2b8c18d6a..9a6aff684 100644
--- a/monitor_wrap.h
+++ b/monitor_wrap.h
@@ -98,6 +98,10 @@ void mm_send_keystate(struct monitor*);
 int mm_bsdauth_query(void *, char **, char **, u_int *, char ***, u_int **);
 int mm_bsdauth_respond(void *, u_int, char **);
 
+/* skey */
+int mm_skey_query(void *, char **, char **, u_int *, char ***, u_int **);
+int mm_skey_respond(void *, u_int, char **);
+
 /* zlib allocation hooks */
 void mm_init_compression(struct mm_master *);