162 lines
4.1 KiB
C++
162 lines
4.1 KiB
C++
/*++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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Microsoft Windows, Copyright (C) Microsoft Corporation, 2000
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File: EncryptedData.h
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Content: Declaration of the CEncryptedData.
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History: 11-15-99 dsie created
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------------------------------------------------------------------------------*/
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#ifndef __ENCRYPTEDDATA_H_
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#define __ENCRYPTEDDATA_H_
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#include <atlctl.h>
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#include "resource.h" // main symbols
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#include "Algorithm.h"
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#include "Lock.h"
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#include "Error.h"
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////////////////////
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//
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// Local defines.
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//
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typedef struct _EncryptedDataInfo
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{
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DATA_BLOB VersionBlob;
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DATA_BLOB AlgIDBlob;
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DATA_BLOB KeyLengthBlob;
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DATA_BLOB IVBlob;
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DATA_BLOB SaltBlob;
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DATA_BLOB CipherBlob;
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} CAPICOM_ENCTYPTED_DATA_INFO, * PCAPICOM_ENCRYPTED_DATA_INFO;
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////////////////////////////////////////////////////////////////////////////////
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//
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// CEncryptedData
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//
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class ATL_NO_VTABLE CEncryptedData :
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public CComObjectRootEx<CComMultiThreadModel>,
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public CComCoClass<CEncryptedData, &CLSID_EncryptedData>,
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public ICAPICOMError<CEncryptedData, &IID_IEncryptedData>,
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public IDispatchImpl<IEncryptedData, &IID_IEncryptedData, &LIBID_CAPICOM>,
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public IObjectSafetyImpl<CEncryptedData, INTERFACESAFE_FOR_UNTRUSTED_CALLER |
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INTERFACESAFE_FOR_UNTRUSTED_DATA>
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{
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public:
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CEncryptedData()
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{
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m_pUnkMarshaler = NULL;
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}
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DECLARE_REGISTRY_RESOURCEID(IDR_ENCRYPTEDDATA)
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DECLARE_GET_CONTROLLING_UNKNOWN()
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DECLARE_PROTECT_FINAL_CONSTRUCT()
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BEGIN_COM_MAP(CEncryptedData)
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COM_INTERFACE_ENTRY(IEncryptedData)
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COM_INTERFACE_ENTRY(IDispatch)
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COM_INTERFACE_ENTRY(ISupportErrorInfo)
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COM_INTERFACE_ENTRY_AGGREGATE(IID_IMarshal, m_pUnkMarshaler.p)
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END_COM_MAP()
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BEGIN_CATEGORY_MAP(CEncryptedData)
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IMPLEMENTED_CATEGORY(CATID_SafeForScripting)
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IMPLEMENTED_CATEGORY(CATID_SafeForInitializing)
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END_CATEGORY_MAP()
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HRESULT FinalConstruct()
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{
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HRESULT hr;
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if (FAILED(hr = m_Lock.Initialized()))
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{
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DebugTrace("Error [%#x]: Critical section could not be created for EncryptedData object.\n", hr);
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return hr;
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}
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if (FAILED(hr = Init()))
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{
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DebugTrace("Error [%#x]: CEncryptedData::Init() failed inside CEncryptedData::FinalConstruct().\n", hr);
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return hr;
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}
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return CoCreateFreeThreadedMarshaler(
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GetControllingUnknown(), &m_pUnkMarshaler.p);
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}
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void FinalRelease()
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{
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if (m_ContentBlob.pbData)
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{
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::CoTaskMemFree(m_ContentBlob.pbData);
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}
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m_pIAlgorithm.Release();
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m_pUnkMarshaler.Release();
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}
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CComPtr<IUnknown> m_pUnkMarshaler;
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//
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// IEncryptedData
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//
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public:
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STDMETHOD(Decrypt)
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(/*[in]*/ BSTR EncryptedMessage);
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STDMETHOD(Encrypt)
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(/*[in, defaultvalue(CAPICOM_BASE64_ENCODE)]*/ CAPICOM_ENCODING_TYPE EncodingType,
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/*[out, retval]*/ BSTR * pVal);
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STDMETHOD(SetSecret)
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(/*[in]*/ BSTR newVal,
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/*[in, defaultvalue(SECRET_PASSWORD)]*/ CAPICOM_SECRET_TYPE SecretType);
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STDMETHOD(get_Algorithm)
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(/*[out, retval]*/ IAlgorithm ** pVal);
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STDMETHOD(get_Content)
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(/*[out, retval]*/ BSTR * pVal);
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STDMETHOD(put_Content)
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(/*[in]*/ BSTR newVal);
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private:
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CLock m_Lock;
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DATA_BLOB m_ContentBlob;
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CComBSTR m_bstrSecret;
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CAPICOM_SECRET_TYPE m_SecretType;
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CComPtr<IAlgorithm> m_pIAlgorithm;
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STDMETHOD(Init)();
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STDMETHOD(OpenToEncode)
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(DATA_BLOB * pSaltBlob,
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HCRYPTPROV * phCryptProv,
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HCRYPTKEY * phKey);
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STDMETHOD(OpenToDecode)
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(BSTR EncryptedMessage,
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HCRYPTPROV * phCryptProv,
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HCRYPTKEY * phKey,
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CAPICOM_ENCTYPTED_DATA_INFO * pEncryptedDataInfo);
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STDMETHOD(GenerateKey)
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(HCRYPTPROV hCryptProv,
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CAPICOM_ENCRYPTION_ALGORITHM AlgoName,
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CAPICOM_ENCRYPTION_KEY_LENGTH KeyLength,
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DATA_BLOB SaltBlob,
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HCRYPTKEY * phKey);
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};
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#endif //__ENCRYPTEDDATA_H_
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