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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
*
* XENCCipherImpl := Implementation of the main encryption worker class
*
* $Id: XENCCipherImpl.hpp 1125514 2011-05-20 19:08:33Z scantor $
*
*/
#ifndef XENCCIPHERIMPL_INCLUDE
#define XENCCIPHERIMPL_INCLUDE
// XSEC Includes
#include <xsec/framework/XSECDefs.hpp>
#include <xsec/xenc/XENCCipher.hpp>
class safeBuffer;
class XSECProvider;
class XENCEncryptedDataImpl;
class TXFMChain;
class XSECEnv;
class XSECKeyInfoResolver;
class XSECPlatformUtils;
class DSIGKeyInfoList;
XSEC_DECLARE_XERCES_CLASS(DOMNode);
XSEC_DECLARE_XERCES_CLASS(DOMDocumentFragment);
class XENCCipherImpl : public XENCCipher {
public:
virtual ~XENCCipherImpl();
// Implementation for decrypting elements
XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *
decryptElement(XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element);
XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *
decryptElementDetached(XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element);
XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument *
decryptElement(void);
XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *
decryptElementDetached(void);
XSECBinTXFMInputStream * decryptToBinInputStream(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element
);
// Decrypting Keys
virtual int decryptKey(XENCEncryptedKey * encryptedKey,
XMLByte * rawKey,
int maxKeySize);
virtual int decryptKey(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * keyNode,
XMLByte * rawKey,
int maxKeySize
);
// Implementation for encryption Elements
XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * encryptElement(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element,
encryptionMethod em,
const XMLCh * uri = NULL);
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * encryptElementContent(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element,
encryptionMethod em,
const XMLCh * algorithmURI = NULL);
XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * encryptElementDetached(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element,
encryptionMethod em,
const XMLCh * uri = NULL);
virtual XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * encryptElementContentDetached(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * element,
encryptionMethod em,
const XMLCh * algorithmURI = NULL);
// Encrypt a key
virtual XENCEncryptedKey * encryptKey(
const unsigned char * keyBuffer,
unsigned int keyLen,
encryptionMethod em,
const XMLCh * algorithmURI = NULL
);
// Encrypt octet streams
virtual XENCEncryptedData * encryptBinInputStream(
XERCES_CPP_NAMESPACE_QUALIFIER BinInputStream * plainText,
encryptionMethod em,
const XMLCh * algorithmURI = NULL
);
virtual XENCEncryptedData * encryptTXFMChain(
TXFMChain * plainText,
encryptionMethod em,
const XMLCh * algorithmURI = NULL
);
// Getter methods
XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * getDocument(void)
{return mp_doc;}
const XMLCh * getXENCNSPrefix(void) const;
virtual XENCEncryptedData * getEncryptedData(void);
bool getPrettyPrint(void);
bool getExclusiveC14nSerialisation(void);
// Setter methods
void setKey(XSECCryptoKey * key);
void setKEK(XSECCryptoKey * key);
void setKeyInfoResolver(const XSECKeyInfoResolver * resolver);
void setXENCNSPrefix(const XMLCh * prefix);
void setPrettyPrint(bool flag);
void setExclusiveC14nSerialisation(bool flag);
// Creation methods
XENCEncryptedData * createEncryptedData(XENCCipherData::XENCCipherDataType type,
const XMLCh * algorithm,
const XMLCh * value);
virtual XENCEncryptedKey * loadEncryptedKey(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * keyNode
);
virtual XENCEncryptedData * loadEncryptedData(
XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * dataNode
);
protected:
// Initialisation
static void Initialise(void);
protected:
// Protected to prevent direct creation of objects
XENCCipherImpl(XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument * doc);
private:
// Internal functions
XERCES_CPP_NAMESPACE_QUALIFIER DOMDocumentFragment
* deSerialise(
safeBuffer &content,
XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * ctx
);
XSECCryptoKey * decryptKeyFromKeyInfoList(DSIGKeyInfoList * kil);
// Unimplemented constructor
XENCCipherImpl();
XERCES_CPP_NAMESPACE_QUALIFIER DOMDocument
* mp_doc; // Document against which this will operate
// Current working object
XENCEncryptedDataImpl * mp_encryptedData;
// Key
XSECCryptoKey * mp_key;
bool m_keyDerived; // Was this derived or loaded?
// KEK
XSECCryptoKey * mp_kek;
bool m_kekDerived; // Was this derived or loaded?
// Environment
XSECEnv * mp_env;
// Resolvers
XSECKeyInfoResolver * mp_keyInfoResolver;
// Use exclusive canonicalisation?
bool m_useExcC14nSerialisation;
friend class XSECProvider;
friend class XSECPlatformUtils;
};
#endif /* XENCCIPHERIMPL_INCLUDE */
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