glib/glib/ghmac.h
Matthias Clasen e1b99b2ddc Move single-include guards inside include guards
gcc has optimizations for include guards that only work
if they are outermost in the the header.
https://bugzilla.gnome.org/show_bug.cgi?id=689810
2012-12-27 23:43:14 -05:00

81 lines
3.2 KiB
C

/* ghmac.h - secure data hashing
*
* Copyright (C) 2011 Stef Walter <stefw@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __G_HMAC_H__
#define __G_HMAC_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#include <glib/gtypes.h>
#include "gchecksum.h"
G_BEGIN_DECLS
/**
* GHmac:
*
* An opaque structure representing a HMAC operation.
* To create a new GHmac, use g_hmac_new(). To free
* a GHmac, use g_hmac_unref().
*
* Since: 2.30
*/
typedef struct _GHmac GHmac;
GLIB_AVAILABLE_IN_2_30
GHmac * g_hmac_new (GChecksumType digest_type,
const guchar *key,
gsize key_len);
GLIB_AVAILABLE_IN_2_30
GHmac * g_hmac_copy (const GHmac *hmac);
GLIB_AVAILABLE_IN_2_30
GHmac * g_hmac_ref (GHmac *hmac);
GLIB_AVAILABLE_IN_2_30
void g_hmac_unref (GHmac *hmac);
GLIB_AVAILABLE_IN_2_30
void g_hmac_update (GHmac *hmac,
const guchar *data,
gssize length);
GLIB_AVAILABLE_IN_2_30
const gchar * g_hmac_get_string (GHmac *hmac);
GLIB_AVAILABLE_IN_2_30
void g_hmac_get_digest (GHmac *hmac,
guint8 *buffer,
gsize *digest_len);
GLIB_AVAILABLE_IN_2_30
gchar *g_compute_hmac_for_data (GChecksumType digest_type,
const guchar *key,
gsize key_len,
const guchar *data,
gsize length);
GLIB_AVAILABLE_IN_2_30
gchar *g_compute_hmac_for_string (GChecksumType digest_type,
const guchar *key,
gsize key_len,
const gchar *str,
gssize length);
G_END_DECLS
#endif /* __G_CHECKSUM_H__ */