5 digest.h -- header file digest.c
6 Copyright (C) 2007-2016 Guus Sliepen <guus@tinc-vpn.org>
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #define DIGEST_MAX_SIZE 64
25 #ifndef DISABLE_LEGACY
27 typedef struct digest digest_t;
29 extern digest_t *digest_open_by_name(const char *name, int maclength) __attribute__((__malloc__));
30 extern digest_t *digest_open_by_nid(int nid, int maclength) __attribute__((__malloc__));
31 extern void digest_close(digest_t *digest);
32 extern bool digest_create(digest_t *digest, const void *indata, size_t inlen, void *outdata) __attribute__((__warn_unused_result__));
33 extern bool digest_verify(digest_t *digest, const void *indata, size_t inlen, const void *digestdata) __attribute__((__warn_unused_result__));
34 extern bool digest_set_key(digest_t *digest, const void *key, size_t len) __attribute__((__warn_unused_result__));
35 extern int digest_get_nid(const digest_t *digest);
36 extern size_t digest_keylength(const digest_t *digest);
37 extern size_t digest_length(const digest_t *digest);
38 extern bool digest_active(const digest_t *digest);