From 03e8c5ad314252cde58c53688c70b9f836a1d5b4 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Wed, 28 Nov 2012 17:39:09 +0000
Subject: More comments; moved the encryption system to unstable.

---
 src/experimental/cipher.h | 127 ----------------------------------------------
 1 file changed, 127 deletions(-)
 delete mode 100644 src/experimental/cipher.h

(limited to 'src/experimental/cipher.h')

diff --git a/src/experimental/cipher.h b/src/experimental/cipher.h
deleted file mode 100644
index 6e58613..0000000
--- a/src/experimental/cipher.h
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (C) 2007-2012 Xagasoft, All rights reserved.
- *
- * This file is part of the libbu++ library and is released under the
- * terms of the license contained in the file LICENSE.
- */
-
-#ifndef BU_CIPHER_H
-#define BU_CIPHER_H
-
-#include "bu/filter.h"
-#include "bu/util.h"
-
-namespace Bu
-{
-    template<int iBlockSize>
-    class Cipher : public Bu::Filter
-    {
-    public:
-        Cipher( Bu::Stream &rNext ) :
-            Bu::Filter( rNext ),
-            iReadBufFill( 0 ),
-            iReadBufPos( 0 ),
-            iWriteBufFill( 0 )
-        {
-        }
-
-        virtual ~Cipher()
-        {
-        }
-
-        virtual void start()
-        {
-        }
-
-        virtual Bu::size stop()
-        {
-            flush();
-            return 0;
-        }
-
-        virtual Bu::size read( void *pBuf, Bu::size iBytes )
-        {
-            Bu::size iRead = 0;
-            while( iRead < iBytes )
-            {
-                if( iReadBufFill < iBlockSize )
-                {
-                    int iR = rNext.read(
-                        aReadBuf+iReadBufFill,
-                        iBlockSize-iReadBufFill
-                        );
-                    if( iR == 0 )
-                        return iRead;
-
-                    iReadBufFill += iR;
-
-                    if( iReadBufFill == iBlockSize )
-                        decipher( aReadBuf );
-                }
-
-                if( iReadBufFill == iBlockSize )
-                {
-                    int iCpy = Bu::buMin( (int)(iBytes-iRead), iBlockSize-iReadBufPos );
-                    memcpy( ((char *)pBuf)+iRead, aReadBuf+iReadBufPos, iCpy );
-                    iRead += iCpy;
-                    iReadBufPos += iCpy;
-                    if( iReadBufPos == iBlockSize )
-                    {
-                        iReadBufPos = iReadBufFill = 0;
-                    }
-                }
-            }
-
-            return iRead;
-        }
-
-        virtual Bu::size write( const void *pBuf, Bu::size iBytes )
-        {
-            Bu::size iPos = 0;
-            
-            while( iPos < iBytes )
-            {
-                int iLeft = Bu::buMin((int)(iBytes-iPos),iBlockSize-iWriteBufFill);
-                memcpy( aWriteBuf+iWriteBufFill, (char *)pBuf+iPos, iLeft );
-                iPos += iLeft;
-                iWriteBufFill += iLeft;
-                if( iWriteBufFill == iBlockSize )
-                {
-                    encipher( aWriteBuf );
-                    rNext.write( aWriteBuf, iBlockSize );
-                    iWriteBufFill = 0;
-                }
-            }
-
-            return iPos;
-        }
-
-        virtual void flush()
-        {
-            if( iWriteBufFill > 0 && iWriteBufFill < iBlockSize )
-            {
-                memset( aWriteBuf+iWriteBufFill, 0, iBlockSize-iWriteBufFill );
-                encipher( aWriteBuf );
-                rNext.write( aWriteBuf, iBlockSize );
-                iWriteBufFill = 0;
-            }
-            rNext.flush();
-        }
-
-        using Bu::Stream::read;
-        using Bu::Stream::write;
-
-    protected:
-        virtual void encipher( void *pData )=0;
-        virtual void decipher( void *pData )=0;
-
-    private:
-        char aReadBuf[iBlockSize];
-        char aWriteBuf[iBlockSize];
-        int iReadBufFill;
-        int iReadBufPos;
-        int iWriteBufFill;
-    };
-};
-
-#endif
-- 
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