1 files changed, 54 insertions, 0 deletions

diff --git a/src/stable/md5.h b/src/stable/md5.h
new file mode 100644
index 0000000..b7597fd
--- /dev/null
+++ b/src/stable/md5.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2007-2011 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#ifndef BU_MD5_H
+#define BU_MD5_H
+
+#include "bu/cryptohash.h"
+
+namespace Bu
+{
+        /**
+         * Class for easily calculating MD5 sums of just about any data.
+         * This code is based on some public domain code written by Colin Plumb in
+         * 1993.
+         *@author Mike Buland
+         */
+        class Md5 : public Bu::CryptoHash
+        {
+        public:
+                /** Build an MD5 sum builder. */
+                Md5();
+
+                /** Deconstruct */
+                virtual ~Md5();
+
+                virtual void reset();
+                virtual void setSalt( const Bu::String &sSalt );
+                virtual void addData( const void *sData, int iSize );
+                using Bu::CryptoHash::addData;
+                virtual String getResult();
+                virtual void writeResult( Bu::Stream &sOut );
+
+        private:
+                /**
+                 * Compute one block of input data.
+                 */
+                void compBlock( uint32_t *lsum, uint32_t *x );
+                void compCap( uint32_t *sumout );
+
+                void _addData( uint8_t *target, int &iCurFill, const void *sData,
+                                int iSize );
+                void _toLittleEndian( uint8_t *buf, uint32_t count );
+                
+                uint8_t inbuf[64];
+                uint32_t sum[4];
+                uint32_t uBits[2];
+        };
+};
+
+#endif