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Posted to commits@santuario.apache.org by bl...@apache.org on 2003/03/30 08:53:39 UTC
cvs commit: xml-security/c/src/transformers TXFMMD5.cpp TXFMMD5.hpp
blautenb 2003/03/29 22:53:38
Added: c/src/transformers TXFMMD5.cpp TXFMMD5.hpp
Log:
Support for MD-5 Digests
Revision Changes Path
1.1 xml-security/c/src/transformers/TXFMMD5.cpp
Index: TXFMMD5.cpp
===================================================================
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "<WebSig>" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, Institute for
* Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
* The development of this software was partly funded by the European
* Commission in the <WebSig> project in the ISIS Programme.
* For more information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* XSEC
*
* TXFMMD5 := Class that performs a MD5 transform
*
* Author(s): Berin Lautenbach
*
* $Id: TXFMMD5.cpp,v 1.1 2003/03/30 06:53:38 blautenb Exp $
*
*/
// XSEC
#include <xsec/transformers/TXFMMD5.hpp>
#include <xsec/utils/XSECPlatformUtils.hpp>
#include <xsec/framework/XSECException.hpp>
// Standarad includes
TXFMMD5::TXFMMD5(DOMDocument *doc,
XSECCryptoKey * key) : TXFMBase (doc) {
toOutput = 0; // Nothing yet to output
if (key == NULL)
// Get a MD5 worker
mp_h = XSECPlatformUtils::g_cryptoProvider->hashMD5();
else {
// Get an HMAC MD5
mp_h = XSECPlatformUtils::g_cryptoProvider->hashHMACMD5();
mp_h->setKey(key);
}
if (!mp_h) {
throw XSECException(XSECException::CryptoProviderError,
"Error requesting MD5 object from Crypto Provider");
}
};
TXFMMD5::~TXFMMD5() {
// Clean up
if (mp_h)
delete mp_h;
};
// Methods to set the inputs
//void TXFMMD5::setInput(TXFMBase *input);
// Methods to get tranform output type and input requirement
TXFMBase::ioType TXFMMD5::getInputType(void) {
return TXFMBase::BYTE_STREAM;
}
TXFMBase::ioType TXFMMD5::getOutputType(void) {
return TXFMBase::BYTE_STREAM;
}
TXFMBase::nodeType TXFMMD5::getNodeType(void) {
return TXFMBase::DOM_NODE_NONE;
}
// Methods to set input data
void TXFMMD5::setInput(TXFMBase * inputT) {
input = inputT;
keepComments = input->getCommentsStatus();
// Now run through the data
unsigned char buffer[1024];
unsigned int size;
while ((size = input->readBytes((XMLByte *) buffer, 1024)) != 0)
mp_h->hash(buffer, size);
// Finalise
md_len = mp_h->finish(md_value, CRYPTO_MAX_HASH_SIZE);
toOutput = md_len;
}
unsigned int TXFMMD5::readBytes(XMLByte * const toFill, unsigned int maxToFill) {
unsigned int ret;
if (toOutput == 0)
return 0;
// Check if we can just output everything left
if (toOutput <= maxToFill) {
memcpy((char *) toFill, &md_value[md_len - toOutput], toOutput);
ret = toOutput;
toOutput = 0;
return ret;
}
// Output just some
memcpy((char *) toFill, &md_value[md_len - toOutput], maxToFill);
ret = maxToFill;
toOutput -= maxToFill;
return ret;
}
DOMDocument * TXFMMD5::getDocument() {
return NULL;
}
DOMNode * TXFMMD5::getFragmentNode() {
return NULL; // Return a null node
};
const XMLCh * TXFMMD5::getFragmentId() {
return NULL; // Empty string
}
1.1 xml-security/c/src/transformers/TXFMMD5.hpp
Index: TXFMMD5.hpp
===================================================================
/*
* The Apache Software License, Version 1.1
*
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "<WebSig>" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation and was
* originally based on software copyright (c) 2001, Institute for
* Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
* The development of this software was partly funded by the European
* Commission in the <WebSig> project in the ISIS Programme.
* For more information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
/*
* XSEC
*
* TXFMMD5 := Class that performs a MD5 transform
*
* Author(s): Berin Lautenbach
*
* $Id: TXFMMD5.hpp,v 1.1 2003/03/30 06:53:38 blautenb Exp $
*
*/
#ifndef TXFMMD5_INCLUDE
#define TXFMMD5_INCLUDE
// XSEC Includes
#include <xsec/transformers/TXFMBase.hpp>
#include <xsec/enc/XSECCryptoProvider.hpp>
/**
* \brief Transformer to handle create a MD5-1 hash from a chain
* @ingroup internal
*/
class DSIG_EXPORT TXFMMD5 : public TXFMBase {
private:
XSECCryptoHash * mp_h; // To hold the hash
unsigned char md_value[CRYPTO_MAX_HASH_SIZE]; // Final output
unsigned int md_len; // Length of digest
unsigned int toOutput; // Amount still to output
public:
TXFMMD5(DOMDocument *doc, XSECCryptoKey * key = NULL);
~TXFMMD5();
// Methods to get tranform output type and input requirement
virtual TXFMBase::ioType getInputType(void);
virtual TXFMBase::ioType getOutputType(void);
virtual nodeType getNodeType(void);
// 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);
virtual DOMDocument *getDocument();
virtual DOMNode *getFragmentNode();
virtual const XMLCh * getFragmentId();
private:
TXFMSHA1();
};
#endif /* TXFMMD5 */