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NullCipher.h

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00001 /*
00002  * Copyright (c) 2004 Beeyond Software Holding 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_NULLCIPHER_H
00024 #define _CLASS_NULLCIPHER_H
00025 
00026 #ifdef __cplusplus
00027 
00028 #include "beecrypt/c++/crypto/Cipher.h"
00029 using beecrypt::crypto::Cipher;
00030 
00031 namespace beecrypt {
00032     namespace crypto {
00035         class BEECRYPTCXXAPI NullCipher : public Cipher
00036         {
00037         private:
00038             class NullCipherSpi : public CipherSpi
00039             {
00040             protected:
00041                 virtual bytearray* engineDoFinal(const byte* input, size_t inputOffset, size_t inputLength) throw (IllegalBlockSizeException, BadPaddingException);
00042                 virtual size_t engineDoFinal(const byte* input, size_t inputOffset, size_t inputLength, bytearray& output, size_t outputOffset) throw (ShortBufferException, IllegalBlockSizeException, BadPaddingException);
00043 
00044                 virtual size_t engineGetBlockSize() const throw ();
00045                 virtual bytearray* engineGetIV();
00046                 virtual size_t engineGetOutputSize(size_t inputLength) throw ();
00047                 virtual AlgorithmParameters* engineGetParameters() throw ();
00048 
00049                 virtual void engineInit(int opmode, const Key& key, SecureRandom* random) throw (InvalidKeyException);
00050                 virtual void engineInit(int opmode, const Key& key, AlgorithmParameters* params, SecureRandom* random) throw (InvalidKeyException, InvalidAlgorithmParameterException);
00051                 virtual void engineInit(int opmode, const Key& key, const AlgorithmParameterSpec& params, SecureRandom* random) throw (InvalidKeyException, InvalidAlgorithmParameterException);
00052 
00053                 virtual void engineSetMode(const String& mode) throw (NoSuchAlgorithmException);
00054                 virtual void engineSetPadding(const String& padding) throw (NoSuchPaddingException);
00055 
00056                 virtual bytearray* engineUpdate(const byte* input, size_t inputOffset, size_t inputLength);
00057                 virtual size_t engineUpdate(const byte* input, size_t inputOffset, size_t inputLength, bytearray& output, size_t outputOffset) throw (ShortBufferException);
00058 
00059             public:
00060                 virtual ~NullCipherSpi() {};
00061             };
00062 
00063         public:
00064             NullCipher();
00065             virtual ~NullCipher() {};
00066         };
00067     }
00068 }
00069 
00070 #endif
00071 
00072 #endif

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