2025-04-27 07:49:33 -04:00

121 lines
3.0 KiB
C++

/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Microsoft Windows, Copyright (C) Microsoft Corporation, 2000
File: Algorithm.h
Content: Declaration of the CAlgorithm.
History: 11-15-99 dsie created
------------------------------------------------------------------------------*/
#ifndef __ALGORITHM_H_
#define __ALGORITHM_H_
#include "resource.h" // main symbols
#include "Lock.h"
#include "Error.h"
////////////////////////////////////////////////////////////////////////////////
//
// Exported functions.
//
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Function : CreateAlgorithmObject
Synopsis : Create an IAlgorithm object.
Parameter: IAlgorithm ** ppIAlgorithm - Pointer to pointer to IAlgorithm
to receive the interface pointer.
Remark :
------------------------------------------------------------------------------*/
HRESULT CreateAlgorithmObject (IAlgorithm ** ppIAlgorithm);
////////////////////////////////////////////////////////////////////////////////
//
// CAlgorithm
//
class ATL_NO_VTABLE CAlgorithm :
public CComObjectRootEx<CComMultiThreadModel>,
public CComCoClass<CAlgorithm, &CLSID_Algorithm>,
public ICAPICOMError<CAlgorithm, &IID_IAlgorithm>,
public IDispatchImpl<IAlgorithm, &IID_IAlgorithm, &LIBID_CAPICOM>
{
public:
CAlgorithm()
{
m_pUnkMarshaler = NULL;
}
DECLARE_NO_REGISTRY()
DECLARE_GET_CONTROLLING_UNKNOWN()
DECLARE_PROTECT_FINAL_CONSTRUCT()
BEGIN_COM_MAP(CAlgorithm)
COM_INTERFACE_ENTRY(IAlgorithm)
COM_INTERFACE_ENTRY(IDispatch)
COM_INTERFACE_ENTRY(ISupportErrorInfo)
COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pUnkMarshaler.p)
END_COM_MAP()
BEGIN_CATEGORY_MAP(CAlgorithm)
END_CATEGORY_MAP()
HRESULT FinalConstruct()
{
HRESULT hr;
if (FAILED(hr = m_Lock.Initialized()))
{
DebugTrace("Error [%#x]: Critical section could not be created for Algorithm object.\n", hr);
return hr;
}
m_Name = CAPICOM_ENCRYPTION_ALGORITHM_RC2;
m_KeyLength = CAPICOM_ENCRYPTION_KEY_LENGTH_MAXIMUM;
return CoCreateFreeThreadedMarshaler(
GetControllingUnknown(), &m_pUnkMarshaler.p);
}
void FinalRelease()
{
m_pUnkMarshaler.Release();
}
CComPtr<IUnknown> m_pUnkMarshaler;
//
// IAlgorithm
//
public:
STDMETHOD(get_KeyLength)
(/*[out, retval]*/ CAPICOM_ENCRYPTION_KEY_LENGTH * pVal);
STDMETHOD(put_KeyLength)
(/*[in]*/ CAPICOM_ENCRYPTION_KEY_LENGTH newVal);
STDMETHOD(get_Name)
(/*[out, retval]*/ CAPICOM_ENCRYPTION_ALGORITHM * pVal);
STDMETHOD(put_Name)
(/*[in]*/ CAPICOM_ENCRYPTION_ALGORITHM newVal);
private:
CLock m_Lock;
CAPICOM_ENCRYPTION_ALGORITHM m_Name;
CAPICOM_ENCRYPTION_KEY_LENGTH m_KeyLength;
};
#endif //__ALGORITHM_H_