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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* XSEC
*
* TXFMSHA1 := Class that performs a hash or HMAC transform
*
* $Id: TXFMSHA1.hpp 1817135 2017-12-04 22:24:05Z scantor $
*
*/
// XSEC Includes
#include <xsec/transformers/TXFMBase.hpp>
#include <xsec/enc/XSECCryptoProvider.hpp>
/**
* \brief Transformer to handle create a hash or HMAC from a chain
* @ingroup internal
*/
class XSEC_EXPORT TXFMHash : public TXFMBase {
private:
XSECCryptoHash* mp_h; // To hold the hash
unsigned char* md_value; // Final output
unsigned int md_len; // Length of digest
unsigned int toOutput; // Amount still to output
public:
TXFMHash(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *doc, XSECCryptoHash::HashType type, const XSECCryptoKey * key = NULL);
virtual ~TXFMHash();
// Methods to get tranform output type and input requirement
virtual TXFMBase::ioType getInputType() const;
virtual TXFMBase::ioType getOutputType() const;
virtual nodeType getNodeType() const;
// Methods to set input data
virtual void setInput(TXFMBase * inputT);
// Methods to get output data
virtual unsigned int readBytes(XMLByte * const toFill, const unsigned int maxToFill);
};
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