--- /dev/null
+/*
+ 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 {
+ int algo;
+ int nid;
+ uint16_t len;
+} digest_t;
+
+static bool digest_open_by_name(struct digest *, const char *);
+static bool digest_open_by_nid(struct digest *, int);
+static bool digest_open_sha1(struct digest *);
+static void digest_close(struct digest *);
+static bool digest_create(struct digest *, const void *indata, size_t inlen, void *outdata);
+static bool digest_verify(struct digest *, const void *indata, size_t inlen, const void *digestdata);
+static int digest_get_nid(const struct digest *);
+static size_t digest_length(const struct digest *);
+static bool digest_active(const struct digest *);
+
+#endif