1 files changed, 36 insertions, 0 deletions
diff --git a/src/block/mars/mars.h b/src/block/mars/mars.h
new file mode 100644
index 000000000..950c1eb6a
--- /dev/null
+++ b/src/block/mars/mars.h
@@ -0,0 +1,36 @@
+/*************************************************
+* MARS Header File                               *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_MARS_H__
+#define BOTAN_MARS_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+class BOTAN_DLL MARS : public BlockCipher
+   {
+   public:
+      void clear() throw() { EK.clear(); }
+      std::string name() const { return "MARS"; }
+      BlockCipher* clone() const { return new MARS; }
+      MARS() : BlockCipher(16, 16, 32, 4) {}
+   private:
+      void enc(const byte[], byte[]) const;
+      void dec(const byte[], byte[]) const;
+      void key(const byte[], u32bit);
+
+      void encrypt_round(u32bit&, u32bit&, u32bit&, u32bit&, u32bit) const;
+      void decrypt_round(u32bit&, u32bit&, u32bit&, u32bit&, u32bit) const;
+      static void forward_mix(u32bit&, u32bit&, u32bit&, u32bit&);
+      static void reverse_mix(u32bit&, u32bit&, u32bit&, u32bit&);
+
+      static const u32bit SBOX[512];
+      SecureBuffer<u32bit, 40> EK;
+   };
+
+}
+
+#endif