Finish crypto wrapping. Also provide wrappers for OpenSSL.

[meshlink] / src / gcrypt / cipher.h

diff --git a/src/gcrypt/cipher.h b/src/gcrypt/cipher.h
new file mode 100644 (file)
index 0000000..759a523
--- /dev/null
+++ b/src/gcrypt/cipher.h
@@ -0,0 +1,49 @@
+/*
+    cipher.h -- header file cipher.c
+    Copyright (C) 2007 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    $Id$
+*/
+
+#ifndef __TINC_CIPHER_H__
+#define __TINC_CIPHER_H__
+
+#include <gcrypt.h>
+
+typedef struct cipher {
+       gcry_cipher_hd_t handle;
+       char *key;
+       int nid;
+       uint16_t keylen;
+       uint16_t blklen;
+} cipher_t;
+
+extern bool cipher_open_by_name(struct cipher *, const char *);
+extern bool cipher_open_by_nid(struct cipher *, int);
+extern bool cipher_open_blowfish_ofb(struct cipher *);
+extern void cipher_close(struct cipher *);
+extern size_t cipher_keylength(const struct cipher *);
+extern void cipher_get_key(const struct cipher *, void *, bool);
+extern bool cipher_set_key(struct cipher *, void *, bool);
+extern bool cipher_set_key_from_rsa(struct cipher *, void *, size_t, bool);
+extern bool cipher_regenerate_key(struct cipher *);
+extern bool cipher_encrypt(struct cipher *, void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot);
+extern bool cipher_decrypt(struct cipher *, void *indata, size_t inlen, void *outdata, size_t *outlen, bool oneshot);
+extern int cipher_get_nid(const struct cipher *);
+extern bool cipher_active(const struct cipher *);
+
+#endif