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-rw-r--r--include/twofish.h40
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diff --git a/include/twofish.h b/include/twofish.h
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+++ b/include/twofish.h
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+/*************************************************
+* 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