| Platform SDK: TAPI | 
Gets the encryption key.
HRESULT GetEncryptionKey( BSTR *ppKeyType, VARIANT_BOOL *pfValidKeyData, BSTR *ppKeyData );
| Value | Meaning | 
|---|---|
| S_OK | Method succeeded. | 
| E_POINTER | The ppKeyType, pfValidKeyData, or ppKeyData parameter is not a valid pointer. | 
| E_OUTOFMEMORY | Insufficient memory exists to perform the operation. | 
| E_FAIL | Unspecified error. | 
| E_NOTIMPL | This method is not yet implemented. | 
The application must use SysFreeString to free the memory allocated for the ppKeyType and ppKeyData parameters.
  Windows NT/2000: Requires Windows 2000.
  Version: Requires TAPI 3.0 or later.
  Header: Declared in Sdpblb.h.
  Library: Use Sdpblbid.lib.