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 Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2.1 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 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * 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 GLIB_AVAILABLE_IN_2_50 76 gchar *g_compute_hmac_for_bytes (GChecksumType digest_type, 77 GBytes *key, 78 GBytes *data); 79 80 81 G_END_DECLS 82 83 #endif /* __G_CHECKSUM_H__ */ 84