Initial WebM release
diff --git a/md5_utils.h b/md5_utils.h
new file mode 100644
index 0000000..8dda8d1
--- /dev/null
+++ b/md5_utils.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license and patent
+ * grant that can be found in the LICENSE file in the root of the source
+ * tree. All contributing project authors may be found in the AUTHORS
+ * file in the root of the source tree.
+ */
+
+/*
+Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
+rights reserved.
+
+License to copy and use this software is granted provided that it
+is identified as the "RSA Data Security, Inc. MD5 Message-Digest
+Algorithm" in all material mentioning or referencing this software
+or this function.
+
+License is also granted to make and use derivative works provided
+that such works are identified as "derived from the RSA Data
+Security, Inc. MD5 Message-Digest Algorithm" in all material
+mentioning or referencing the derived work.
+
+RSA Data Security, Inc. makes no representations concerning either
+the merchantability of this software or the suitability of this
+software for any particular purpose. It is provided "as is"
+without express or implied warranty of any kind.
+
+These notices must be retained in any copies of any part of this
+documentation and/or software.
+*/
+#ifndef HAVE_VPX_PORTS
+#define HAVE_VPX_PORTS 0
+#endif
+#if HAVE_VPX_PORTS
+#include "vpx_ports/vpx_integer.h"
+#else
+#include "vpx_integer.h"
+#endif
+
+/* MD5 context. */
+typedef struct
+{
+ uint32_t state[4]; /* state (ABCD) */
+ uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
+ uint8_t buffer[64]; /* input buffer */
+} md5_ctx_t;
+
+void md5_init(md5_ctx_t *ctx);
+void md5_update(md5_ctx_t *ctx, const uint8_t *buf, unsigned int len);
+void md5_finalize(md5_ctx_t *ctx, uint8_t md5[16]);
