--- /dev/null
+/* $OpenBSD: hostfile.h,v 1.9 2001/06/26 17:27:23 markus Exp $ */
+
+/*
+ * Author: Tatu Ylonen <ylo@cs.hut.fi>
+ * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+ * All rights reserved
+ *
+ * As far as I am concerned, the code I have written for this software
+ * can be used freely for any purpose. Any derived versions of this
+ * software must be clearly marked as such, and if the derived work is
+ * incompatible with the protocol description in the RFC file, it must be
+ * called by a name other than "ssh" or "Secure Shell".
+ */
+#ifndef HOSTFILE_H
+#define HOSTFILE_H
+
+typedef enum {
+ HOST_OK, HOST_NEW, HOST_CHANGED
+} HostStatus;
+
+HostStatus
+check_host_in_hostfile(const char *, const char *, Key *, Key *, int *);
+int add_host_to_hostfile(const char *, const char *, Key *);
+int auth_rsa_read_key(char **, u_int *, BIGNUM *, BIGNUM *);
+
+#endif