DigestOutputStream.h

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00001 /*
00002  * Copyright (c) 2004 X-Way Rights BV
00003  *
00004  * This library is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU Lesser General Public
00006  * License as published by the Free Software Foundation; either
00007  * version 2.1 of the License, or (at your option) any later version.
00008  *
00009  * This library is distributed in the hope that it will be useful,
00010  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * Lesser General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU Lesser General Public
00015  * License along with this library; if not, write to the Free Software
00016  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00017  */
00018 
00023 #ifndef _CLASS_BEE_SECURITY_DIGESTOUTPUTSTREAM_H
00024 #define _CLASS_BEE_SECURITY_DIGESTOUTPUTSTREAM_H
00025 
00026 #ifdef __cplusplus
00027 
00028 #include "beecrypt/c++/io/FilterOutputStream.h"
00029 using beecrypt::io::FilterOutputStream;
00030 #include "beecrypt/c++/security/MessageDigest.h"
00031 using beecrypt::security::MessageDigest;
00032 
00033 namespace beecrypt {
00034     namespace security {
00037         class BEECRYPTCXXAPI DigestOutputStream : public FilterOutputStream
00038         {
00039         private:
00040             bool _on;
00041 
00042         protected:
00043             MessageDigest& digest;
00044 
00045         public:
00046             DigestOutputStream(OutputStream& out, MessageDigest& m);
00047             virtual ~DigestOutputStream() {}
00048 
00049             virtual void write(byte b) throw (IOException);
00050             virtual void write(const byte* data, int offset, int length) throw (IOException);
00051 
00052             void on(bool on);
00053 
00054             MessageDigest& getMessageDigest();
00055             void setMessageDigest(MessageDigest& m);
00056         };
00057     }
00058 }
00059 
00060 #endif
00061 
00062 #endif
00063 

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