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/* gchecksum.h - data hashing functions
*
* Copyright (C) 2007 Emmanuele Bassi <ebassi@gnome.org>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_CHECKSUM_H__
#define __G_CHECKSUM_H__
#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#include <glib/gtypes.h>
#include <glib/gbytes.h>
G_BEGIN_DECLS
/**
* GChecksumType:
* @G_CHECKSUM_MD5: Use the MD5 hashing algorithm
* @G_CHECKSUM_SHA1: Use the SHA-1 hashing algorithm
* @G_CHECKSUM_SHA256: Use the SHA-256 hashing algorithm
* @G_CHECKSUM_SHA384: Use the SHA-384 hashing algorithm (Since: 2.51)
* @G_CHECKSUM_SHA512: Use the SHA-512 hashing algorithm (Since: 2.36)
*
* The hashing algorithm to be used by #GChecksum when performing the
* digest of some data.
*
* Note that the #GChecksumType enumeration may be extended at a later
* date to include new hashing algorithm types.
*
* Since: 2.16
*/
typedef enum {
G_CHECKSUM_MD5,
G_CHECKSUM_SHA1,
G_CHECKSUM_SHA256,
G_CHECKSUM_SHA512,
G_CHECKSUM_SHA384
} GChecksumType;
/**
* GChecksum:
*
* An opaque structure representing a checksumming operation.
*
* To create a new GChecksum, use g_checksum_new(). To free
* a GChecksum, use g_checksum_free().
*
* Since: 2.16
*/
typedef struct _GChecksum GChecksum;
GLIB_AVAILABLE_IN_ALL
gssize g_checksum_type_get_length (GChecksumType checksum_type);
GLIB_AVAILABLE_IN_ALL
GChecksum * g_checksum_new (GChecksumType checksum_type);
GLIB_AVAILABLE_IN_ALL
void g_checksum_reset (GChecksum *checksum);
GLIB_AVAILABLE_IN_ALL
GChecksum * g_checksum_copy (const GChecksum *checksum);
GLIB_AVAILABLE_IN_ALL
void g_checksum_free (GChecksum *checksum);
GLIB_AVAILABLE_IN_ALL
void g_checksum_update (GChecksum *checksum,
const guchar *data,
gssize length);
GLIB_AVAILABLE_IN_ALL
const gchar * g_checksum_get_string (GChecksum *checksum);
GLIB_AVAILABLE_IN_ALL
void g_checksum_get_digest (GChecksum *checksum,
guint8 *buffer,
gsize *digest_len);
GLIB_AVAILABLE_IN_ALL
gchar *g_compute_checksum_for_data (GChecksumType checksum_type,
const guchar *data,
gsize length);
GLIB_AVAILABLE_IN_ALL
gchar *g_compute_checksum_for_string (GChecksumType checksum_type,
const gchar *str,
gssize length);
GLIB_AVAILABLE_IN_2_34
gchar *g_compute_checksum_for_bytes (GChecksumType checksum_type,
GBytes *data);
G_END_DECLS
#endif /* __G_CHECKSUM_H__ */
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