Split ciphers into block and stream ciphers. Move base class headers

1 files changed, 39 insertions, 0 deletions

diff --git a/src/stream/arc4/arc4.h b/src/stream/arc4/arc4.h
new file mode 100644
index 000000000..0976ce7ea
--- /dev/null
+++ b/src/stream/arc4/arc4.h
@@ -0,0 +1,39 @@
+/*************************************************
+* ARC4 Header File                               *
+* (C) 1999-2008 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_ARC4_H__
+#define BOTAN_ARC4_H__
+
+#include <botan/stream_cipher.h>
+#include <botan/types.h>
+
+namespace Botan {
+
+/*************************************************
+* ARC4                                           *
+*************************************************/
+class BOTAN_DLL ARC4 : public StreamCipher
+   {
+   public:
+      void clear() throw();
+      std::string name() const;
+      StreamCipher* clone() const { return new ARC4(SKIP); }
+      ARC4(u32bit = 0);
+      ~ARC4() { clear(); }
+   private:
+      void cipher(const byte[], byte[], u32bit);
+      void key(const byte[], u32bit);
+      void generate();
+
+      const u32bit SKIP;
+
+      SecureBuffer<byte, DEFAULT_BUFFERSIZE> buffer;
+      SecureBuffer<u32bit, 256> state;
+      u32bit X, Y, position;
+   };
+
+}
+
+#endif