2 digest.h -- header file digest.c
3 Copyright (C) 2007-2013 Guus Sliepen <guus@tinc-vpn.org>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 #ifndef __TINC_DIGEST_H__
21 #define __TINC_DIGEST_H__
23 #define DIGEST_MAX_SIZE 64
25 typedef struct digest digest_t;
27 extern digest_t *digest_open_by_name(const char *name, int maclength) __attribute__ ((__malloc__));
28 extern digest_t *digest_open_by_nid(int nid, int maclength) __attribute__ ((__malloc__));
29 extern digest_t *digest_open_sha1(int maclength) __attribute__ ((__malloc__));
30 extern void digest_close(digest_t *);
31 extern bool digest_create(digest_t *, const void *indata, size_t inlen, void *outdata) __attribute__ ((__warn_unused_result__));
32 extern bool digest_verify(digest_t *, const void *indata, size_t inlen, const void *digestdata) __attribute__ ((__warn_unused_result__));
33 extern bool digest_set_key(digest_t *, const void *key, size_t len) __attribute__ ((__warn_unused_result__));
34 extern int digest_get_nid(const digest_t *);
35 extern size_t digest_keylength(const digest_t *);
36 extern size_t digest_length(const digest_t *);
37 extern bool digest_active(const digest_t *);