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diff --git a/src/block/idea_sse2/idea_sse2.h b/src/block/idea_sse2/idea_sse2.h
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+/*
+* IDEA in SSE2
+* (C) 2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_IDEA_SSE2_H__
+#define BOTAN_IDEA_SSE2_H__
+
+#include <botan/idea.h>
+
+namespace Botan {
+
+/*
+* IDEA in SSE2
+*/
+class BOTAN_DLL IDEA_SSE2 : public IDEA
+ {
+ public:
+ void encrypt_n(const byte in[], byte out[], u32bit blocks) const;
+ void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
+
+ BlockCipher* clone() const { return new IDEA_SSE2; }
+ };
+
+}
+
+#endif