1 files changed, 46 insertions, 0 deletions
diff --git a/modules/ciphers/turing/turing.h b/modules/ciphers/turing/turing.h
new file mode 100644
index 000000000..14b2e6fd6
--- /dev/null
+++ b/modules/ciphers/turing/turing.h
@@ -0,0 +1,46 @@
+/*************************************************
+* Turing Header File                             *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_TURING_H__
+#define BOTAN_TURING_H__
+
+#include <botan/base.h>
+
+namespace Botan {
+
+/*************************************************
+* Turing                                         *
+*************************************************/
+class BOTAN_DLL Turing : public StreamCipher
+   {
+   public:
+      void clear() throw();
+      std::string name() const { return "Turing"; }
+      StreamCipher* clone() const { return new Turing; }
+      Turing() : StreamCipher(4, 32, 4) { position = 0; }
+   private:
+      void cipher(const byte[], byte[], u32bit);
+      void key(const byte[], u32bit);
+      void resync(const byte[], u32bit);
+      void generate();
+
+      static u32bit fixedS(u32bit);
+      static void gen_sbox(MemoryRegion<u32bit>&, u32bit,
+                           const MemoryRegion<u32bit>&);
+
+      static const u32bit Q_BOX[256];
+      static const byte SBOX[256];
+      static const byte OFFSETS[272];
+
+      SecureBuffer<u32bit, 256> S0, S1, S2, S3;
+      SecureBuffer<u32bit, 17> R;
+      SecureVector<u32bit> K;
+      SecureBuffer<byte, 340> buffer;
+      u32bit position;
+   };
+
+}
+
+#endif