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 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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#ifndef _CIPHERCONTEXT_HXX
#define _CIPHERCONTEXT_HXX

#include <com/sun/star/xml/crypto/XCipherContext.hpp>

#include <cppuhelper/implbase1.hxx>
#include <osl/mutex.hxx>
#include <pk11pub.h>

class OCipherContext : public cppu::WeakImplHelper1< ::com::sun::star::xml::crypto::XCipherContext >
{
private:
    ::osl::Mutex m_aMutex;

    PK11SlotInfo* m_pSlot;
    PK11SymKey* m_pSymKey;
    SECItem* m_pSecParam;
    PK11Context* m_pContext;

    sal_Int32 m_nBlockSize;
    ::com::sun::star::uno::Sequence< sal_Int8 > m_aLastBlock;

    bool m_bEncryption;
    bool m_bPadding;
    bool m_bW3CPadding;
    sal_Int64 m_nConverted;

    bool m_bDisposed;
    bool m_bBroken;

    void Dispose();

    OCipherContext()
    : m_pSlot( NULL )
    , m_pSymKey( NULL )
    , m_pSecParam( NULL )
    , m_pContext( NULL )
    , m_nBlockSize( 0 )
    , m_bEncryption( false )
    , m_bPadding( false )
    , m_bW3CPadding( false )
    , m_nConverted( 0 )
    , m_bDisposed( false )
    , m_bBroken( false )
    {}

public:

    virtual ~OCipherContext()
    {
        Dispose();
    }

    static ::com::sun::star::uno::Reference< ::com::sun::star::xml::crypto::XCipherContext > Create( CK_MECHANISM_TYPE nNSSCipherID, const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aKey, const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aInitializationVector, bool bEncryption, bool bW3CPadding );

    // XCipherContext
    virtual ::com::sun::star::uno::Sequence< ::sal_Int8 > SAL_CALL convertWithCipherContext( const ::com::sun::star::uno::Sequence< ::sal_Int8 >& aData ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::lang::DisposedException, ::com::sun::star::uno::RuntimeException);
    virtual ::com::sun::star::uno::Sequence< ::sal_Int8 > SAL_CALL finalizeCipherContextAndDispose(  ) throw (::com::sun::star::lang::DisposedException, ::com::sun::star::uno::RuntimeException);
};

#endif