Create wrappers for the cryptographic operations used in tinc.

[tinc] / src / digest.h

diff --git a/src/digest.h b/src/digest.h
new file mode 100644 (file)
index 0000000..80bdf6f
--- /dev/null
+++ b/src/digest.h
@@ -0,0 +1,40 @@
+/*
+    digest.h -- header file digest.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_DIGEST_H__
+#define __TINC_DIGEST_H__
+
+#include <gcrypt.h>
+
+typedef struct digest {
+       enum gcry_md_algos algo;
+       int nid;
+       uint16_t len;
+} digest_t;
+
+bool digest_open_by_name(struct digest_t *, const char *);
+bool digest_open_by_nid(struct digest_t *, int);
+bool digest_open_sha1(struct digest_t *);
+bool digest_create(struct digest_t *, void *indata, size_t inlen, void *outdata, size_t *outlen);
+bool digest_verify(struct digest_t *, void *indata, size_t inlen, void *digestdata, size_t digestlen);
+int digest_get_nid(struct digest_t *);
+
+#endif