1 files changed, 39 insertions, 0 deletions
diff --git a/old/botan/build/botan/buf_filt.h b/old/botan/build/botan/buf_filt.h
new file mode 100644
index 0000000..ce3dbc9
--- /dev/null
+++ b/old/botan/build/botan/buf_filt.h
@@ -0,0 +1,39 @@
+/*
+* Buffering Filter
+* (C) 1999-2007 Jack Lloyd
+*
+* Distributed under the terms of the Botan license
+*/
+
+#ifndef BOTAN_BUFFERING_FILTER_H__
+#define BOTAN_BUFFERING_FILTER_H__
+
+#include <botan/filter.h>
+
+namespace Botan {
+
+/**
+* Buffering_Filter: This class represents filters for operations that
+* maintain an internal state.
+*/
+
+class BOTAN_DLL Buffering_Filter : public Filter
+   {
+   public:
+      void write(const byte[], u32bit);
+      virtual void end_msg();
+      Buffering_Filter(u32bit, u32bit = 0);
+      virtual ~Buffering_Filter() {}
+   protected:
+      virtual void initial_block(const byte[]) {}
+      virtual void main_block(const byte[]) = 0;
+      virtual void final_block(const byte[], u32bit) = 0;
+   private:
+      const u32bit INITIAL_BLOCK_SIZE, BLOCK_SIZE;
+      SecureVector<byte> initial, block;
+      u32bit initial_block_pos, block_pos;
+   };
+
+}
+
+#endif