Initial checkin1.5.6

1 files changed, 40 insertions, 0 deletions

diff --git a/include/twofish.h b/include/twofish.h
new file mode 100644
index 000000000..3f1602ef5
--- /dev/null
+++ b/include/twofish.h
@@ -0,0 +1,40 @@
+/*************************************************
+* Twofish Header File                            *
+* (C) 1999-2006 The Botan Project                *
+*************************************************/
+
+#ifndef BOTAN_TWOFISH_H__
+#define BOTAN_TWOFISH_H__
+
+#include <botan/base.h>
+
+namespace Botan {
+
+/*************************************************
+* Twofish                                        *
+*************************************************/
+class 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(const byte[], u32bit);
+
+      static void rs_mul(byte[4], byte, u32bit);
+
+      static const u32bit MDS0[256], MDS1[256], MDS2[256], MDS3[256];
+      static const byte Q0[256], Q1[256], RS[32];
+      static const byte EXP_TO_POLY[255], POLY_TO_EXP[255];
+
+      SecureBuffer<u32bit, 256> SBox0, SBox1, SBox2, SBox3;
+      SecureBuffer<u32bit, 40> round_key;
+   };
+
+}
+
+#endif