1 files changed, 52 insertions, 0 deletions
diff --git a/lib/block/square/square.h b/lib/block/square/square.h
new file mode 100644
index 000000000..618dbf6d9
--- /dev/null
+++ b/lib/block/square/square.h
@@ -0,0 +1,52 @@
+/*
+* Square
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_SQUARE_H__
+#define BOTAN_SQUARE_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/**
+* Square
+*/
+class BOTAN_DLL Square : public Block_Cipher_Fixed_Params<16, 16>
+   {
+   public:
+      void encrypt_n(const byte in[], byte out[], size_t blocks) const;
+      void decrypt_n(const byte in[], byte out[], size_t blocks) const;
+
+      void clear();
+      std::string name() const { return "Square"; }
+      BlockCipher* clone() const { return new Square; }
+   private:
+      void key_schedule(const byte[], size_t);
+
+      static void transform(u32bit[4]);
+
+      static const byte SE[256];
+      static const byte SD[256];
+      static const byte Log[256];
+      static const byte ALog[255];
+
+      static const u32bit TE0[256];
+      static const u32bit TE1[256];
+      static const u32bit TE2[256];
+      static const u32bit TE3[256];
+      static const u32bit TD0[256];
+      static const u32bit TD1[256];
+      static const u32bit TD2[256];
+      static const u32bit TD3[256];
+
+      secure_vector<u32bit> EK, DK;
+      secure_vector<byte> ME, MD;
+   };
+
+}
+
+#endif