1 files changed, 37 insertions, 0 deletions
diff --git a/src/modes/modebase.h b/src/modes/modebase.h
new file mode 100644
index 000000000..9793c23d2
--- /dev/null
+++ b/src/modes/modebase.h
@@ -0,0 +1,37 @@
+/*************************************************
+* Block Cipher Mode Header File                  *
+* (C) 1999-2007 Jack Lloyd                       *
+*************************************************/
+
+#ifndef BOTAN_MODEBASE_H__
+#define BOTAN_MODEBASE_H__
+
+#include <botan/basefilt.h>
+#include <botan/block_cipher.h>
+
+namespace Botan {
+
+/**
+* This class represents an abstract block cipher mode
+*/
+class BOTAN_DLL BlockCipherMode : public Keyed_Filter
+   {
+   public:
+      std::string name() const;
+
+      BlockCipherMode(BlockCipher*, const std::string&,
+                      u32bit, u32bit = 0, u32bit = 1);
+
+      virtual ~BlockCipherMode() { delete cipher; }
+   protected:
+      void set_iv(const InitializationVector&);
+      const u32bit BLOCK_SIZE, BUFFER_SIZE, IV_METHOD;
+      const std::string mode_name;
+      BlockCipher* cipher;
+      SecureVector<byte> buffer, state;
+      u32bit position;
+   };
+
+}
+
+#endif