glib/ghmac.h

   1 /* ghmac.h - secure data hashing
   2  *
   3  * Copyright (C) 2011  Stef Walter  <stefw@collabora.co.uk>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library 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 GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifndef __G_HMAC_H__
  20 #define __G_HMAC_H__
  21
  22 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
  23 #error "Only <glib.h> can be included directly."
  24 #endif
  25
  26 #include <glib/gtypes.h>
  27 #include "gchecksum.h"
  28
  29 G_BEGIN_DECLS
  30
  31 /**
  32  * GHmac:
  33  *
  34  * An opaque structure representing a HMAC operation.
  35  * To create a new GHmac, use g_hmac_new(). To free
  36  * a GHmac, use g_hmac_unref().
  37  *
  38  * Since: 2.30
  39  */
  40 typedef struct _GHmac       GHmac;
  41
  42 GLIB_AVAILABLE_IN_2_30
  43 GHmac *               g_hmac_new                    (GChecksumType  digest_type,
  44                                                      const guchar  *key,
  45                                                      gsize          key_len);
  46 GLIB_AVAILABLE_IN_2_30
  47 GHmac *               g_hmac_copy                   (const GHmac   *hmac);
  48 GLIB_AVAILABLE_IN_2_30
  49 GHmac *               g_hmac_ref                    (GHmac         *hmac);
  50 GLIB_AVAILABLE_IN_2_30
  51 void                  g_hmac_unref                  (GHmac         *hmac);
  52 GLIB_AVAILABLE_IN_2_30
  53 void                  g_hmac_update                 (GHmac         *hmac,
  54                                                      const guchar  *data,
  55                                                      gssize         length);
  56 GLIB_AVAILABLE_IN_2_30
  57 const gchar *         g_hmac_get_string             (GHmac         *hmac);
  58 GLIB_AVAILABLE_IN_2_30
  59 void                  g_hmac_get_digest             (GHmac         *hmac,
  60                                                      guint8        *buffer,
  61                                                      gsize         *digest_len);
  62
  63 GLIB_AVAILABLE_IN_2_30
  64 gchar                *g_compute_hmac_for_data       (GChecksumType  digest_type,
  65                                                      const guchar  *key,
  66                                                      gsize          key_len,
  67                                                      const guchar  *data,
  68                                                      gsize          length);
  69 GLIB_AVAILABLE_IN_2_30
  70 gchar                *g_compute_hmac_for_string     (GChecksumType  digest_type,
  71                                                      const guchar  *key,
  72                                                      gsize          key_len,
  73                                                      const gchar   *str,
  74                                                      gssize         length);
  75
  76 G_END_DECLS
  77
  78 #endif /* __G_CHECKSUM_H__ */