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diff --git a/botan/build/botan/mgf1.h b/botan/build/botan/mgf1.h
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+/*
+* MGF1
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_MGF1_H__
+#define BOTAN_MGF1_H__
+
+#include <botan/kdf.h>
+#include <botan/hash.h>
+
+namespace Botan {
+
+/*
+* MGF1 (Mask Generation Function)
+*/
+class BOTAN_DLL MGF1 : public MGF
+ {
+ public:
+ void mask(const byte[], u32bit, byte[], u32bit) const;
+
+ /**
+ MGF1 constructor: takes ownership of hash
+ */
+ MGF1(HashFunction* hash);
+
+ ~MGF1();
+ private:
+ HashFunction* hash;
+ };
+
+}
+
+#endif