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-rw-r--r--src/libs/3rdparty/botan/src/lib/entropy/rdrand/rdrand.h28
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diff --git a/src/libs/3rdparty/botan/src/lib/entropy/rdrand/rdrand.h b/src/libs/3rdparty/botan/src/lib/entropy/rdrand/rdrand.h
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index 0000000000..6544fe57f9
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+++ b/src/libs/3rdparty/botan/src/lib/entropy/rdrand/rdrand.h
@@ -0,0 +1,28 @@
+/*
+* Entropy Source Using Intel's rdrand instruction
+* (C) 2012 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#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 final : public Entropy_Source
+ {
+ public:
+ std::string name() const override { return "rdrand"; }
+ size_t poll(RandomNumberGenerator& rng) override;
+ };
+
+}
+
+#endif