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diff --git a/util/md5-utils.h b/util/md5-utils.h
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+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+/*
+ * This code implements the MD5 message-digest algorithm.
+ * The algorithm is due to Ron Rivest.  This code was
+ * written by Colin Plumb in 1993, no copyright is claimed.
+ * This code is in the public domain; do with it what you wish.
+ *
+ * Equivalent code is available from RSA Data Security, Inc.
+ * This code has been tested against that, and is equivalent,
+ * except that you don't need to include two pages of legalese
+ * with every copy.
+ *
+ * To compute the message digest of a chunk of bytes, declare an
+ * MD5Context structure, pass it to rpmMD5Init, call rpmMD5Update as
+ * needed on buffers full of bytes, and then call rpmMD5Final, which
+ * will fill a supplied 16-byte array with the digest.
+ */
+
+/* parts of this file are :
+ * Written March 1993 by Branko Lankester
+ * Modified June 1993 by Colin Plumb for altered md5.c.
+ * Modified October 1995 by Erik Troan for RPM
+ */
+
+
+#ifndef MD5_UTILS_H
+#define MD5_UTILS_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+typedef struct {
+	guint32 buf[4];
+	guint32 bits[2];
+	unsigned char in[64];
+	int doByteReverse;
+} MD5Context;
+
+
+G_GNUC_INTERNAL void md5_get_digest (const char *buffer, unsigned int buffer_size, unsigned char digest[16]);
+
+/* use this one when speed is needed */
+/* for use in provider code only */
+G_GNUC_INTERNAL void md5_get_digest_from_file (const char *filename, unsigned char digest[16]);
+
+/* raw routines */
+G_GNUC_INTERNAL void md5_init (MD5Context *ctx);
+G_GNUC_INTERNAL void md5_update (MD5Context *ctx, const unsigned char *buf, guint32 len);
+G_GNUC_INTERNAL void md5_final (MD5Context *ctx, unsigned char digest[16]);
+
+G_END_DECLS
+
+#endif	/* MD5_UTILS_H */