設定憑證屬性

使用 ICertServerPolicy：：SetCertificateProperty 方法來設定憑證的主體屬性。 主體屬性是與憑證擁有者或要求憑證的個人相關的屬性。 如需主體屬性的清單，請參閱 命名屬性。

您也可以使用 SetCertificateProperty 方法來設定 NotBefore 和 NotAfter 憑證屬性。 如需 NotBefore 和 NotAfter 憑證屬性的描述，請參閱 憑證屬性。

使用 ICertServerPolicy：：SetCertificateExtension 方法，將任意數目的延伸模組新增至憑證。 您可以使用延伸模組，將補充主體或使用資訊新增至憑證。 如需詳細資訊，請參閱 延伸模組處理常式。

下列範例會在憑證上設定憑證屬性和延伸模組。 您可以在ICertPolicy2：：VerifyRequest實作中呼叫SetCertificateProperty和SetCertificateExtension方法。 此範例不是完整的 VerifyRequest 實作;此範例不會顯示驗證邏輯。

#include <windows.h>
#include <stdio.h>

STDMETHODIMP CCertPolicy::VerifyRequest(
             BSTR const strConfig,
             LONG Context,
             LONG bNewRequest,
             LONG Flags,
             LONG __RPC_FAR *pDisposition)
{
    HRESULT hr = S_OK;
    ICertServerPolicy *pServer = NULL;
    BSTR bstrPropName = NULL;
    VARIANT vPropValue;
    BSTR bstrExtName = NULL;
    VARIANT vExtValue;


    // Retrieve an ICertServerPolicy interface pointer.
    hr = CoCreateInstance( CLSID_CCertServerPolicy,
                           NULL,
                           CLSCTX_INPROC_SERVER,
                           IID_ICertServerPolicy,
                           (void **) &pServer );
    if (FAILED( hr ))
    {
        printf("Failed CoCreateInstance for ICertServerPolicy "
            "- %x\n", hr );
        return hr;
    }

    // Set the context to which this request refers.
    hr = pServer->SetContext(Context);
    if (FAILED( hr ))
    {
        printf("Failed SetContext(%u) - %x\n", Context, hr );
        pServer->Release();
        return hr;
    }

    // Specify the subject property to set on the certificate.
    bstrPropName = SysAllocString(L"Subject.EMail");
    if ( NULL == bstrPropName )
    {
        hr = E_OUTOFMEMORY; 
        printf("Failed SysAllocString for bstrPropName "
            "(no memory)\n" );
        pServer->Release();
        return hr;
    }

    VariantInit( &vPropValue );
    vPropValue.VT_BSTR;
    vPropValue.bstrVal = SysAllocString(L"someone@example.com");
    if ( NULL == vPropValue.bstrVal )
    {
        hr = E_OUTOFMEMORY; 
        printf("Failed SysAllocString for vPropValue "
            "(no memory)\n" );
        SysFreeString(bstrPropName);
        pServer->Release();
        return hr;
    }

    // Set the subject property on the certificate.
    hr = pServer->SetCertificateProperty( bstrPropName,
                                          PROPTYPE_STRING,
                                          &vPropValue );
    SysFreeString(bstrPropName);
    VariantClear(&vPropValue);
    if (FAILED(hr))
    {
        printf("Failed SetCertificateProperty - %x\n", hr);
        pServer->Release();
        return hr;
    }

    // Specify the extension property to set on the certificate.
    bstrExtName = SysAllocString(L"2.29.38.4");
    if ( NULL == bstrExtName )
    {
        hr = E_OUTOFMEMORY; 
        printf("Failed SysAllocString for bstrExtName "
            "(no memory)\n" );
        pServer->Release();
        return hr;
    }

    VariantInit( &vExtValue );
    vExtValue.VT_BSTR;
    vExtValue.bstrVal = SysAllocString
        (L"https://example.microsoft.com");
    if ( NULL == vExtValue.bstrVal )
    {
        hr = E_OUTOFMEMORY; 
        printf("Failed SysAllocString for vExtValue (no memory)\n" );
        SysFreeString(bstrExtName);
        pServer->Release();
        return hr;
    }

    // Set the extension property on the certificate.
    hr = pServer->SetCertificateExtension( bstrExtName,
                                           PROPTYPE_STRING,
                                           EXTENSION_CRITICAL_FLAG,
                                           &vExtValue );
    SysFreeString(bstrExtName);
    VariantClear(&vExtValue);
    if (FAILED(hr))
    {
        printf("Failed SetCertificateExtension - %x\n", hr);
        pServer->Release();
        return hr;
    }

    pServer->Release();
    return(hr);

}