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-rw-r--r--src/lib/rng/auto_rng/auto_rng.h41
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diff --git a/src/lib/rng/auto_rng/auto_rng.h b/src/lib/rng/auto_rng/auto_rng.h
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+/*
+* Auto Seeded RNG
+* (C) 2008 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_AUTO_SEEDING_RNG_H__
+#define BOTAN_AUTO_SEEDING_RNG_H__
+
+#include <botan/rng.h>
+#include <string>
+#include <memory>
+
+namespace Botan {
+
+class BOTAN_DLL AutoSeeded_RNG : public RandomNumberGenerator
+ {
+ public:
+ void randomize(byte out[], size_t len)
+ { m_rng->randomize(out, len); }
+
+ bool is_seeded() const { return m_rng->is_seeded(); }
+
+ void clear() { m_rng->clear(); }
+
+ std::string name() const { return m_rng->name(); }
+
+ void reseed(size_t poll_bits = 256) { m_rng->reseed(poll_bits); }
+
+ void add_entropy(const byte in[], size_t len)
+ { m_rng->add_entropy(in, len); }
+
+ AutoSeeded_RNG() : m_rng(RandomNumberGenerator::make_rng()) {}
+ private:
+ std::unique_ptr<RandomNumberGenerator> m_rng;
+ };
+
+}
+
+#endif