/* gchecksum.h - data hashing functions * * Copyright (C) 2007 Emmanuele Bassi <ebassi@gnome.org> * * 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__ */ SIMPAN PERUBAHAN