GetExternalKeyFromFile method of the Win32_EncryptableVolume class
The GetExternalKeyFromFile method of the Win32_EncryptableVolume class returns the external key from a file created by SaveExternalKeyToFile, given the location of that file.
Syntax
uint32 GetExternalKeyFromFile(
[in] string PathWithFileName,
[out] uint8 ExternalKey[]
);
Parameters
-
PathWithFileName [in]
-
Type: string
A string that specifies the location of the file containing an external key.
-
ExternalKey [out]
-
Type: uint8[]
An array of bytes that is the 256-bit external key contained within the file that can be used to unlock a volume.
Return value
Type: uint32
This method returns one of the following codes or another error code if it fails.
| Return code/value | Description |
|---|---|
|
The method was successful. |
|
The file does not contain an external key. |
|
Cannot find file at the location specified. |
Remarks
Managed Object Format (MOF) files contain the definitions for Windows Management Instrumentation (WMI) classes. MOF files are not installed as part of the Windows SDK. They are installed on the server when you add the associated role by using the Server Manager. For more information about MOF files, see Managed Object Format (MOF).
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows Vista Enterprise, Windows Vista Ultimate [desktop apps only] |
| Minimum supported server |
Windows Server 2008 [desktop apps only] |
| Namespace |
Root\CIMV2\Security\MicrosoftVolumeEncryption |
| MOF |
|
See also