--- /dev/null
+/*
+ rsa.h -- RSA key handling
+ Copyright (C) 2007-2013 Guus Sliepen <guus@tinc-vpn.org>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#ifndef __TINC_RSA_H__
+#define __TINC_RSA_H__
+
+#ifndef __TINC_RSA_INTERNAL__
+typedef struct rsa rsa_t;
+#endif
+
+extern void rsa_free(rsa_t *rsa);
+extern rsa_t *rsa_set_hex_public_key(char *n, char *e);
+extern rsa_t *rsa_set_hex_private_key(char *n, char *e, char *d);
+extern rsa_t *rsa_read_pem_public_key(FILE *fp);
+extern rsa_t *rsa_read_pem_private_key(FILE *fp);
+extern size_t rsa_size(rsa_t *rsa);
+extern bool rsa_public_encrypt(rsa_t *rsa, void *in, size_t len, void *out);
+extern bool rsa_private_decrypt(rsa_t *rsa, void *in, size_t len, void *out);
+
+#endif