2 digest.h -- header file digest.c
3 Copyright (C) 2007 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 #include <openssl/evp.h>
25 #define DIGEST_MAX_SIZE EVP_MAX_MD_SIZE
27 typedef struct digest {
34 extern bool digest_open_by_name(struct digest *, const char *name, int maclength);
35 extern bool digest_open_by_nid(struct digest *, int nid, int maclength);
36 extern bool digest_open_sha1(struct digest *, int maclength);
37 extern void digest_close(struct digest *);
38 extern bool digest_create(struct digest *, const void *indata, size_t inlen, void *outdata);
39 extern bool digest_verify(struct digest *, const void *indata, size_t inlen, const void *digestdata);
40 extern bool digest_set_key(struct digest *, const void *key, size_t len);
41 extern int digest_get_nid(const struct digest *);
42 extern size_t digest_length(const struct digest *);
43 extern bool digest_active(const struct digest *);