1 files changed, 48 insertions, 0 deletions
diff --git a/old/botan/src/block/twofish/twofish.h b/old/botan/src/block/twofish/twofish.h
new file mode 100644
index 0000000..0640e32
--- /dev/null
+++ b/old/botan/src/block/twofish/twofish.h
@@ -0,0 +1,48 @@
+/*
+* Twofish
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_TWOFISH_H__
+#define BOTAN_TWOFISH_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/*
+* Twofish
+*/
+class BOTAN_DLL Twofish : public BlockCipher
+   {
+   public:
+      void clear() throw();
+      std::string name() const { return "Twofish"; }
+      BlockCipher* clone() const { return new Twofish; }
+      Twofish() : BlockCipher(16, 16, 32, 8) {}
+   private:
+      void enc(const byte[], byte[]) const;
+      void dec(const byte[], byte[]) const;
+      void key_schedule(const byte[], u32bit);
+
+      static void rs_mul(byte[4], byte, u32bit);
+
+      static const u32bit MDS0[256];
+      static const u32bit MDS1[256];
+      static const u32bit MDS2[256];
+      static const u32bit MDS3[256];
+      static const byte Q0[256];
+      static const byte Q1[256];
+      static const byte RS[32];
+      static const byte EXP_TO_POLY[255];
+      static const byte POLY_TO_EXP[255];
+
+      SecureBuffer<u32bit, 256> SBox0, SBox1, SBox2, SBox3;
+      SecureBuffer<u32bit, 40> round_key;
+   };
+
+}
+
+#endif