1 files changed, 45 insertions, 0 deletions
diff --git a/old/botan/src/rng/x931_rng/x931_rng.h b/old/botan/src/rng/x931_rng/x931_rng.h
new file mode 100644
index 0000000..44e9b44
--- /dev/null
+++ b/old/botan/src/rng/x931_rng/x931_rng.h
@@ -0,0 +1,45 @@
+/*
+* ANSI X9.31 RNG
+* (C) 1999-2009 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_ANSI_X931_RNG_H__
+#define BOTAN_ANSI_X931_RNG_H__
+
+#include <botan/rng.h>
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/**
+* ANSI X9.31 RNG
+*/
+class BOTAN_DLL ANSI_X931_RNG : public RandomNumberGenerator
+   {
+   public:
+      void randomize(byte[], u32bit);
+      bool is_seeded() const;
+      void clear() throw();
+      std::string name() const;
+
+      void reseed(u32bit poll_bits);
+      void add_entropy_source(EntropySource*);
+      void add_entropy(const byte[], u32bit);
+
+      ANSI_X931_RNG(BlockCipher*, RandomNumberGenerator*);
+      ~ANSI_X931_RNG();
+   private:
+      void rekey();
+      void update_buffer();
+
+      BlockCipher* cipher;
+      RandomNumberGenerator* prng;
+      SecureVector<byte> V, R;
+      u32bit position;
+   };
+
+}
+
+#endif