1 files changed, 83 insertions, 0 deletions
diff --git a/contrib/lgpl/gchecksum.h b/contrib/lgpl/gchecksum.h
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+/* 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 Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __G_CHECKSUM_H__
+#define __G_CHECKSUM_H__
+
+#include <glib.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
+ *
+ * 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
+} 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;
+
+gssize                g_checksum_type_get_length (GChecksumType checksum_type);
+
+GChecksum *           g_checksum_new        (GChecksumType     checksum_type);
+void                  g_checksum_reset      (GChecksum        *checksum);
+GChecksum *           g_checksum_copy       (const GChecksum  *checksum);
+void                  g_checksum_free       (GChecksum        *checksum);
+void                  g_checksum_update     (GChecksum        *checksum,
+                                             const guchar     *data,
+                                             gssize            length);
+G_CONST_RETURN gchar *g_checksum_get_string (GChecksum        *checksum);
+void                  g_checksum_get_digest (GChecksum        *checksum,
+                                             guint8           *buffer,
+                                             gsize            *digest_len);
+
+gchar *g_compute_checksum_for_data   (GChecksumType  checksum_type,
+                                      const guchar  *data,
+                                      gsize          length);
+gchar *g_compute_checksum_for_string (GChecksumType  checksum_type,
+                                      const gchar   *str,
+                                      gssize         length);
+
+G_END_DECLS
+
+#endif /* __G_CHECKSUM_H__ */