1 /* gchecksum.h - data hashing functions 2 * 3 * Copyright (C) 2007 Emmanuele Bassi <ebassi (at) gnome.org> 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, write to the 17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, 18 * Boston, MA 02111-1307, USA. 19 */ 20 21 #if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION) 22 #error "Only <glib.h> can be included directly." 23 #endif 24 25 #ifndef __G_CHECKSUM_H__ 26 #define __G_CHECKSUM_H__ 27 28 #include <glib/gtypes.h> 29 30 G_BEGIN_DECLS 31 32 /** 33 * GChecksumType: 34 * @G_CHECKSUM_MD5: Use the MD5 hashing algorithm 35 * @G_CHECKSUM_SHA1: Use the SHA-1 hashing algorithm 36 * @G_CHECKSUM_SHA256: Use the SHA-256 hashing algorithm 37 * 38 * The hashing algorithm to be used by #GChecksum when performing the 39 * digest of some data. 40 * 41 * Note that the #GChecksumType enumeration may be extended at a later 42 * date to include new hashing algorithm types. 43 * 44 * Since: 2.16 45 */ 46 typedef enum { 47 G_CHECKSUM_MD5, 48 G_CHECKSUM_SHA1, 49 G_CHECKSUM_SHA256 50 } GChecksumType; 51 52 /** 53 * GChecksum: 54 * 55 * An opaque structure representing a checksumming operation. 56 * To create a new GChecksum, use g_checksum_new(). To free 57 * a GChecksum, use g_checksum_free(). 58 * 59 * Since: 2.16 60 */ 61 typedef struct _GChecksum GChecksum; 62 63 gssize g_checksum_type_get_length (GChecksumType checksum_type); 64 65 GChecksum * g_checksum_new (GChecksumType checksum_type); 66 void g_checksum_reset (GChecksum *checksum); 67 GChecksum * g_checksum_copy (const GChecksum *checksum); 68 void g_checksum_free (GChecksum *checksum); 69 void g_checksum_update (GChecksum *checksum, 70 const guchar *data, 71 gssize length); 72 G_CONST_RETURN gchar *g_checksum_get_string (GChecksum *checksum); 73 void g_checksum_get_digest (GChecksum *checksum, 74 guint8 *buffer, 75 gsize *digest_len); 76 77 gchar *g_compute_checksum_for_data (GChecksumType checksum_type, 78 const guchar *data, 79 gsize length); 80 gchar *g_compute_checksum_for_string (GChecksumType checksum_type, 81 const gchar *str, 82 gssize length); 83 84 G_END_DECLS 85 86 #endif /* __G_CHECKSUM_H__ */ 87
