Merge pull request #370 from neusdan/rdseed

Add support for Intel RdSeed instruction

1 files changed, 28 insertions, 0 deletions

diff --git a/src/lib/entropy/rdseed/rdseed.h b/src/lib/entropy/rdseed/rdseed.h
new file mode 100644
index 000000000..0f39250a1
--- /dev/null
+++ b/src/lib/entropy/rdseed/rdseed.h
@@ -0,0 +1,28 @@
+/*
+* Entropy Source Using Intel's rdseed instruction
+* (C) 2015 Jack Lloyd, Daniel Neus
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#ifndef BOTAN_ENTROPY_SRC_RDSEED_H__
+#define BOTAN_ENTROPY_SRC_RDSEED_H__
+
+#include <botan/entropy_src.h>
+
+namespace Botan {
+
+/**
+* Entropy source using the rdseed instruction first introduced on
+* Intel's Broadwell architecture.
+*/
+class Intel_Rdseed : public Entropy_Source
+   {
+   public:
+      std::string name() const override { return "rdseed"; }
+      void poll(Entropy_Accumulator& accum) override;
+   };
+
+}
+
+#endif