1 files changed, 45 insertions, 0 deletions
diff --git a/src/block/cast/cast128.h b/src/block/cast/cast128.h
new file mode 100644
index 000000000..b9d02cd7a
--- /dev/null
+++ b/src/block/cast/cast128.h
@@ -0,0 +1,45 @@
+/*************************************************
+* CAST-128 Header File                           *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_CAST128_H__
+#define BOTAN_CAST128_H__
+
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/*************************************************
+* CAST-128                                       *
+*************************************************/
+class BOTAN_DLL CAST_128 : public BlockCipher
+   {
+   public:
+      void clear() throw() { MK.clear(); RK.clear(); }
+      std::string name() const { return "CAST-128"; }
+      BlockCipher* clone() const { return new CAST_128; }
+      CAST_128() : BlockCipher(8, 11, 16) {}
+   private:
+      void enc(const byte[], byte[]) const;
+      void dec(const byte[], byte[]) const;
+      void key(const byte[], u32bit);
+
+      static void key_schedule(u32bit[16], u32bit[4]);
+
+      static const u32bit S5[256];
+      static const u32bit S6[256];
+      static const u32bit S7[256];
+      static const u32bit S8[256];
+
+      SecureBuffer<u32bit, 16> MK, RK;
+   };
+
+extern const u32bit CAST_SBOX1[256];
+extern const u32bit CAST_SBOX2[256];
+extern const u32bit CAST_SBOX3[256];
+extern const u32bit CAST_SBOX4[256];
+
+}
+
+#endif