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diff --git a/src/lib/entropy/rdrand/rdrand.h b/src/lib/entropy/rdrand/rdrand.h
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+/*
+* Entropy Source Using Intel's rdrand instruction
+* (C) 2012 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_ENTROPY_SRC_RDRAND_H__
+#define BOTAN_ENTROPY_SRC_RDRAND_H__
+
+#include <botan/entropy_src.h>
+
+namespace Botan {
+
+/**
+* Entropy source using the rdrand instruction first introduced on
+* Intel's Ivy Bridge architecture.
+*/
+class Intel_Rdrand : public EntropySource
+ {
+ public:
+ std::string name() const { return "Intel Rdrand"; }
+ void poll(Entropy_Accumulator& accum);
+ };
+
+}
+
+#endif