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TXFMMD5.hpp

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00001 /*
00002  * Copyright 2002-2005 The Apache Software Foundation.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 /*
00018  * XSEC
00019  *
00020  * TXFMMD5 := Class that performs a MD5 transform
00021  *
00022  * Author(s): Berin Lautenbach
00023  *
00024  * $Id: TXFMMD5.hpp,v 1.6 2005/02/03 13:50:12 milan Exp $
00025  *
00026  */
00027 
00028 #ifndef TXFMMD5_INCLUDE
00029 #define TXFMMD5_INCLUDE
00030 
00031 // XSEC Includes
00032 
00033 #include <xsec/transformers/TXFMBase.hpp>
00034 #include <xsec/enc/XSECCryptoProvider.hpp>
00035 
00041 class DSIG_EXPORT TXFMMD5 : public TXFMBase {
00042 
00043 private:
00044 
00045     XSECCryptoHash      * mp_h;                         // To hold the hash
00046     unsigned char       md_value[CRYPTO_MAX_HASH_SIZE]; // Final output
00047     unsigned int        md_len;                         // Length of digest
00048 
00049     unsigned int        toOutput;                       // Amount still to output
00050 
00051 public:
00052 
00053     TXFMMD5(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc, XSECCryptoKey * key = NULL);
00054     ~TXFMMD5();
00055 
00056     // Methods to get tranform output type and input requirement
00057 
00058     virtual TXFMBase::ioType getInputType(void);
00059     virtual TXFMBase::ioType getOutputType(void);
00060     virtual nodeType getNodeType(void);
00061 
00062     // Methods to set input data
00063 
00064     virtual void setInput(TXFMBase * inputT);
00065 
00066     // Methods to get output data
00067 
00068     virtual unsigned int readBytes(XMLByte * const toFill, const unsigned int maxToFill);
00069     virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *getDocument();
00070     virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *getFragmentNode();
00071     virtual const XMLCh * getFragmentId();
00072     
00073 private:
00074     TXFMMD5();
00075 };
00076 
00077 
00078 
00079 #endif /* TXFMMD5 */

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