1/* ghmac.h - secure data hashing
2 *
3 * Copyright (C) 2011 Stef Walter <stefw@collabora.co.uk>
4 *
5 * SPDX-License-Identifier: LGPL-2.1-or-later
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public License
18 * along with this library; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21#ifndef __G_HMAC_H__
22#define __G_HMAC_H__
23
24#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
25#error "Only <glib.h> can be included directly."
26#endif
27
28#include <glib/gtypes.h>
29#include "gchecksum.h"
30
31G_BEGIN_DECLS
32
33typedef struct _GHmac GHmac;
34
35GLIB_AVAILABLE_IN_2_30
36GHmac * g_hmac_new (GChecksumType digest_type,
37 const guchar *key,
38 gsize key_len);
39GLIB_AVAILABLE_IN_2_30
40GHmac * g_hmac_copy (const GHmac *hmac);
41GLIB_AVAILABLE_IN_2_30
42GHmac * g_hmac_ref (GHmac *hmac);
43GLIB_AVAILABLE_IN_2_30
44void g_hmac_unref (GHmac *hmac);
45GLIB_AVAILABLE_IN_2_30
46void g_hmac_update (GHmac *hmac,
47 const guchar *data,
48 gssize length);
49GLIB_AVAILABLE_IN_2_30
50const gchar * g_hmac_get_string (GHmac *hmac);
51GLIB_AVAILABLE_IN_2_30
52void g_hmac_get_digest (GHmac *hmac,
53 guint8 *buffer,
54 gsize *digest_len);
55
56GLIB_AVAILABLE_IN_2_30
57gchar *g_compute_hmac_for_data (GChecksumType digest_type,
58 const guchar *key,
59 gsize key_len,
60 const guchar *data,
61 gsize length);
62GLIB_AVAILABLE_IN_2_30
63gchar *g_compute_hmac_for_string (GChecksumType digest_type,
64 const guchar *key,
65 gsize key_len,
66 const gchar *str,
67 gssize length);
68GLIB_AVAILABLE_IN_2_50
69gchar *g_compute_hmac_for_bytes (GChecksumType digest_type,
70 GBytes *key,
71 GBytes *data);
72
73
74G_END_DECLS
75
76#endif /* __G_CHECKSUM_H__ */
77