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[FUNC] Bitlocker Drive Info

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Hi everyone, I created a function to gather bitlocker information. It can tell you whether or not a drive is protected, which encryption method is being used, ...

I tried to cover all the details in the function description


The function (and 3 "internal" functions) :

; #FUNCTION# ====================================================================================================================
; Name...........: _BitlockerDriveInfo
; Description ...: Get Bitlocker information for one or multiple drives
; Syntax.........: _BitlockerDriveInfo([$sDrive[, $sComputer = @ComputerName[, $bDebug = False]]])
; Parameters ....: $sDrive  - Optional: The drive. Allowed values are:
;                  |""      - Get the info for all available drives
;                  |Letter: - Get the info for the specific drive
;                  $sComputer - Optional: The computer from which the info should be requested
;                  $bDebug  - Optional: Shows the hex ReturnValue from the WMI methods if set to True
; Return values .: Success  - Returns a 2D array with the following information
;                  |[string] Drive Letter
;                  |[string] Drive Label
;                  |[string] Volume Type
;                  |[bool]   Initialized For Protection
;                  |[string] Protection Status
;                  |[string] Lock Status
;                  |[bool]   Auto Unlock Enabled
;                  |[bool]   Auto Unlock Key Stored
;                  |[string] Conversion Status
;                  |[string] Encryption Method
;                  |[int]    Encryption Percentage
;                  |[string] Wiping Status
;                  |[int]    Wiping Percentage
;                  |[array]  Key Protectors (Or [string] "None" if the drive isn't protected)
;                  Failure  - 0, sets @error to:
;                  |1 - There was an issue retrieving the COM object. @extended returns error code from ObjGet
;                  |2 - The specified drive in $Drive doesn't exist
;                  |3 - There was an issue running the WMI query
; Author ........: colombeen
; Modified.......:
; Remarks .......: Requires to be run with admin elevation. Windows Vista or newer!
;                  A BIG THANKS to everyone from the community who contributed!
; Related .......:
; Link ..........:
; Example .......: #include <Array.au3>
;                  $Header = "Drive Letter|Drive Label|Volume Type|Initialized For Protection|Protection Status|" & _
;                            "Lock Status|Auto Unlock Enabled|Auto Unlock Key Stored|Conversion Status|Encryption " & _
;                            "Method|Encryption Percentage|Wiping Status|Wiping Percentage|Key Protectors"
;                  _ArrayDisplay(_BitlockerDriveInfo(), "Bitlocker Drive Info", "", 64, Default, $Header)
; ===============================================================================================================================
Func _BitlockerDriveInfo($sDrive = "", $sComputer = @ComputerName, $bDebug = False)
    Local $aConversionStatusMsg[7]  =   ["Unknown", "Fully Decrypted", "Fully Encrypted", "Encryption In Progress", "Decryption In Progress", "Encryption Paused", "Decryption Paused"]
    Local $aEncryptionMethodMsg[9]  =   ["Unknown", "None", "AES_128_WITH_DIFFUSER", "AES_256_WITH_DIFFUSER", "AES_128", "AES_256", "HARDWARE_ENCRYPTION", "XTS_AES_128", "XTS_AES_256"]
    Local $aKeyProtectorTypeMsg[11] =   ["Unknown or other protector type", "Trusted Platform Module (TPM)", "External key", "Numerical password", "TPM And PIN", "TPM And Startup Key", "TPM And PIN And Startup Key", "Public Key", "Passphrase", "TPM Certificate", "CryptoAPI Next Generation (CNG) Protector"]
    Local $aLockStatusMsg[3]        =   ["Unknown", "Unlocked", "Locked"]
    Local $aProtectionStatusMsg[3]  =   ["Unprotected", "Protected", "Unknown"]
    Local $aVolumeTypeMsg[3]        =   ["Operating System Volume", "Fixed Data Volume", "Portable Data Volume"]
    Local $aWipingStatusMsg[5]      =   ["Unknown", "Free Space Not Wiped", "Free Space Wiped", "Free Space Wiping In Progress", "Free Space Wiping Paused"]
    Local $iRow                     =   0
    Local $sRunMethod, $objWMIService, $objWMIQuery, $sDriveFilter, $iProtectionStatus, $iLockStatus, $bIsAutoUnlockEnabled, $bIsAutoUnlockKeyStored, $iConversionStatus, $iEncryptionPercentage, $iEncryptionFlags, $iWipingStatus, $iWipingPercentage, $iEncryptionMethod, $aVolumeKeyProtectorID, $aVolumeKeyProtectors, $iKeyProtectorType

    $objWMIService = ObjGet("winmgmts:{impersonationLevel=impersonate,authenticationLevel=pktPrivacy}!\\" & $sComputer & "\root\CIMV2\Security\MicrosoftVolumeEncryption")
    If @error Then Return SetError(1, @error, 0)

    If $sDrive <> "" Then
        Local $iDriveType = _WMIPropertyValue("DriveType", "Win32_LogicalDisk", "WHERE DeviceID='" & $sDrive & "'", Default, $sComputer)
        If @error Or ($iDriveType <> 2 And $iDriveType <> 3) Then Return SetError(2, 0, 0)
        $sDriveFilter = " WHERE DriveLetter='" & $sDrive & "'"

    $objWMIQuery = $objWMIService.ExecQuery("SELECT * FROM Win32_EncryptableVolume" & $sDriveFilter, "WQL", 0)
    If Not IsObj($objWMIQuery) Then Return SetError(3, 0, 0)

    Local $aResult[$objWMIQuery.count][14]
    For $objDrive In $objWMIQuery
        If $bDebug Then ConsoleWrite(@CRLF & "+> " & $objDrive.DriveLetter & @CRLF)
        If _WMIMethodExists($objDrive, "GetConversionStatus") Then
            $sRunMethod = $objDrive.GetConversionStatus($iConversionStatus, $iEncryptionPercentage, $iEncryptionFlags, $iWipingStatus, $iWipingPercentage)
            If $bDebug Then ConsoleWrite("!> GetConversionStatus    0x" & Hex($sRunMethod) & @CRLF)
            $iConversionStatus      =   -1
            $iWipingStatus          =   -1
            $iEncryptionPercentage  =   0
            $iWipingPercentage      =   0
        If _WMIMethodExists($objDrive, "GetEncryptionMethod") Then
            $sRunMethod = $objDrive.GetEncryptionMethod($iEncryptionMethod)
            If $bDebug Then ConsoleWrite("!> GetEncryptionMethod    0x" & Hex($sRunMethod) & @CRLF)
            $iEncryptionMethod      =   0
        If _WMIMethodExists($objDrive, "GetKeyProtectors") Then
            $sRunMethod = $objDrive.GetKeyProtectors("0", $aVolumeKeyProtectorID)
            If $bDebug Then ConsoleWrite("!> GetKeyProtectors       0x" & Hex($sRunMethod) & @CRLF)
            $aVolumeKeyProtectorID  =   0
        If _WMIMethodExists($objDrive, "GetLockStatus") Then
            $sRunMethod = $objDrive.GetLockStatus($iLockStatus)
            If $bDebug Then ConsoleWrite("!> GetLockStatus          0x" & Hex($sRunMethod) & @CRLF)
            $iLockStatus            =   -1
        If _WMIMethodExists($objDrive, "GetProtectionStatus") Then
            $sRunMethod = $objDrive.GetProtectionStatus($iProtectionStatus)
            If $bDebug Then ConsoleWrite("!> GetProtectionStatus    0x" & Hex($sRunMethod) & @CRLF)
            $iProtectionStatus      =   2
        If _WMIMethodExists($objDrive, "IsAutoUnlockEnabled") Then
            $sRunMethod = $objDrive.IsAutoUnlockEnabled($bIsAutoUnlockEnabled)
            If $bDebug Then ConsoleWrite("!> IsAutoUnlockEnabled    0x" & Hex($sRunMethod) & @CRLF)
            $bIsAutoUnlockEnabled   =   "Unknown"
        If _WMIMethodExists($objDrive, "IsAutoUnlockKeyStored") Then
            $sRunMethod = $objDrive.IsAutoUnlockKeyStored($bIsAutoUnlockKeyStored)
            If $bDebug Then ConsoleWrite("!> IsAutoUnlockKeyStored  0x" & Hex($sRunMethod) & @CRLF)
            $bIsAutoUnlockKeyStored =   "Unknown"

        If IsArray($aVolumeKeyProtectorID) And UBound($aVolumeKeyProtectorID) > 0 Then
            Dim $aVolumeKeyProtectors[UBound($aVolumeKeyProtectorID)][2]

            For $i = 0 To UBound($aVolumeKeyProtectorID) - 1
                $aVolumeKeyProtectors[$i][0]        =   $aVolumeKeyProtectorID[$i]
                If _WMIMethodExists($objDrive, "GetKeyProtectorType") Then
                    If $objDrive.GetKeyProtectorType($aVolumeKeyProtectorID[$i], $iKeyProtectorType) = 0 Then
                        $aVolumeKeyProtectors[$i][1]=   $aKeyProtectorTypeMsg[$iKeyProtectorType]
                        $aVolumeKeyProtectors[$i][1]=   "Unknown"
                    $aVolumeKeyProtectors[$i][1]    =   "Unknown"
            $aVolumeKeyProtectors                   =   "None"

        ; DriveLetter
        $aResult[$iRow][0]      =   $objDrive.DriveLetter
        ; DriveLabel
        $aResult[$iRow][1]      =   _WMIPropertyValue("VolumeName", "Win32_LogicalDisk", "WHERE DeviceID='" & $objDrive.DriveLetter & "'", Default, $sComputer)
        ; VolumeType
        If _WMIPropertyExists($objDrive, "VolumeType") Then
            $aResult[$iRow][2]  =   $aVolumeTypeMsg[$objDrive.VolumeType]
            If $objDrive.DriveLetter = _WMIPropertyValue("SystemDrive", "Win32_OperatingSystem", "", Default, $sComputer) Then
                $aResult[$iRow][2]= $aVolumeTypeMsg[0]
            ElseIf _WMIPropertyValue("DriveType", "Win32_LogicalDisk", "WHERE DeviceID='" & $objDrive.DriveLetter & "'", Default, $sComputer) = 3 Then
                $aResult[$iRow][2]= $aVolumeTypeMsg[1]
            ElseIf _WMIPropertyValue("DriveType", "Win32_LogicalDisk", "WHERE DeviceID='" & $objDrive.DriveLetter & "'", Default, $sComputer) = 2 Then
                $aResult[$iRow][2]= $aVolumeTypeMsg[2]
                $aResult[$iRow][2]= "Unknown"
        ; IsVolumeInitializedForProtection
        If _WMIPropertyExists($objDrive, "IsVolumeInitializedForProtection") Then
            $aResult[$iRow][3]  =   $objDrive.IsVolumeInitializedForProtection
            $aResult[$iRow][3]  =   "Unkown"
        ; ProtectionStatus
        $aResult[$iRow][4]      =   $aProtectionStatusMsg[$iProtectionStatus]
        ; LockStatus
        $aResult[$iRow][5]      =   $aLockStatusMsg[$iLockStatus + 1]
        ; IsAutoUnlockEnabled
        $aResult[$iRow][6]      =   $bIsAutoUnlockEnabled
        ; IsAutoUnlockEnabled
        $aResult[$iRow][7]      =   $bIsAutoUnlockKeyStored
        ; ConversionStatus
        $aResult[$iRow][8]      =   $aConversionStatusMsg[$iConversionStatus + 1]
        ; EncryptionMethod
        $aResult[$iRow][9]      =   $aEncryptionMethodMsg[$iEncryptionMethod + 1]
        ; EncryptionPercentage
        $aResult[$iRow][10]     =   $iEncryptionPercentage
        ; WipingStatus
        $aResult[$iRow][11]     =   $aWipingStatusMsg[$iWipingStatus + 1]
        ; WipingPercentage
        $aResult[$iRow][12]     =   $iWipingPercentage
        ; KeyProtectors
        $aResult[$iRow][13]     =   $aVolumeKeyProtectors

        $iRow += 1
    Return $aResult
EndFunc   ;==>_BitlockerDriveInfo

Func _WMIPropertyExists($Object, $Property)
    If Not IsObj($Object) Then Return False
    For $sProperty In $Object.Properties_
        If $sProperty.Name = $Property Then Return True
    Return False
EndFunc   ;==>_WMIPropertyExists

Func _WMIMethodExists($Object, $Method)
    If Not IsObj($Object) Then Return False
    For $sMethod In $Object.Methods_
        If $sMethod.Name = $Method Then Return True
    Return False
EndFunc   ;==>_WMIMethodExists

Func _WMIPropertyValue($sProperty = "", $sClass = "", $sFilter = "", $sNamespace = Default, $sComputer = @ComputerName)
    Local $objWMIService, $objWMIQuery

    If $sClass = "" Or $sProperty = "" Then Return SetError(1, 0, 0)
    If $sFilter <> "" Then $sFilter = " " & $sFilter
    If $sNamespace = Default Then $sNamespace = "\root\CIMV2"

    $objWMIService = ObjGet("winmgmts:{impersonationLevel=impersonate,authenticationLevel=pktPrivacy}!\\" & $sComputer & $sNamespace)
    If @error Then Return SetError(2, @error, 0)

    $objWMIQuery = $objWMIService.ExecQuery("SELECT * FROM " & $sClass & $sFilter, "WQL", 0x30)
    If Not IsObj($objWMIQuery) Then Return SetError(3, 0, 0)

    For $objItem In $objWMIQuery
        For $Property In $objItem.Properties_
            If $Property.Name = $sProperty Then
                Return $Property.Value

    Return SetError(4, 0, 0)
EndFunc   ;==>_WMIPropertyValue


Example 1:

#include <array.au3>

; Get information on all available drives
Global $test = _BitlockerDriveInfo()
If @error Then
    ConsoleWrite("!> _BitlockerDriveInfo() error: " & @error & ". extended: " & @extended & @CRLF)
ElseIf IsArray($test) Then
    _ArrayDisplay($test, "Bitlocker Drive Info", "", 64, Default, "Drive Letter|Drive Label|Volume Type|Initialized For Protection|Protection Status|Lock Status|Auto Unlock Enabled|Auto Unlock Key Stored|Conversion Status|Encryption Method|Encryption Percentage|Wiping Status|Wiping Percentage|Key Protectors")
    ; Display the Key Protectors for the first record
    If IsArray($test[0][13]) Then _ArrayDisplay($test[0][13])

Example 2:

#include <array.au3>

; Get information on the C-drive of the current computer + show extra information in the console
Global $test = _BitlockerDriveInfo("C:", @ComputerName, True)
If @error Then
    ConsoleWrite("!> _BitlockerDriveInfo() error: " & @error & ". extended: " & @extended & @CRLF)
ElseIf IsArray($test) Then
    ConsoleWrite("Bitlocker information on the " & $test[0][0] & " drive" & @CRLF)
    ConsoleWrite("Protection Status: " & $test[0][4] & @CRLF)


Screenshot for the first example:



Suggestions? Bugs?

Just let me know



  • ???


Version 1.0:

  • Initial release

Version 1.1:

  • Fixed: Drive Label will not work when you request the information from a remote system (currently using DriveGetLabel)
  • Fixed: The current fix for the missing VolumeType property in some Windows versions will only work locally
  • Added: New internal function (_WMIPropertyValue())

Version 1.2:

  • Fixed: The drive exists & drive type check only worked locally when a drive was specified in $sDrive
Edited by colombeen
Release v1.2

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it would be cool to be able to display encryption progress after activating bitlocker - i'm pretty sure could utilize your function to loop that information, what do you think?

Edited by cbs803

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Global $a, $b, $c

$strComputer = @ComputerName
$objWMIService = ObjGet("winmgmts:{impersonationLevel=impersonate}!\\" & $strComputer & "\root\CIMV2\Security\MicrosoftVolumeEncryption")

While $b <> 100
    $objWMIQuery = $objWMIService.ExecQuery("SELECT * FROM Win32_EncryptableVolume WHERE DriveLetter='C:'", "WQL", 0)
    For $objDrive In $objWMIQuery
        $res = $objDrive.GetConversionStatus($a, $b, $c)
        ;Display Progress Text or increment a Progress Bar
        ;"Bitlocker Encryption in Progress (" & $b & "%)...")

From your function - it helped me include Bitlocker Encryption Progress into my own GUI... Thankyou!!!!

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; Use readable var names ;-)
Global $ConversionStatus, $EncryptionPercentage, $EncryptionFlags, $WipingStatus, $WipingPercentage

$strComputer = @ComputerName
$objWMIService = ObjGet("winmgmts:{impersonationLevel=impersonate}!\\" & $strComputer & "\root\CIMV2\Security\MicrosoftVolumeEncryption")

; $objWMIService error check
If @error Then Return False

While $EncryptionPercentage <> 100
    $objWMIQuery = $objWMIService.ExecQuery("SELECT * FROM Win32_EncryptableVolume WHERE DriveLetter='C:'", "WQL", 0)
    For $objDrive In $objWMIQuery
        ; https://docs.microsoft.com/en-us/windows/desktop/secprov/getconversionstatus-win32-encryptablevolume
        $res = $objDrive.GetConversionStatus($ConversionStatus, $EncryptionPercentage, $EncryptionFlags, $WipingStatus, $WipingPercentage)
        ; Display Progress Text or increment a Progress Bar
        ; "Bitlocker Encryption in Progress (" & $EncryptionPercentage & "%)...")

Nice to see that someone can use it :)

Edited by colombeen

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On 1/21/2020 at 10:47 AM, ERCEduTech said:


Just signed up to say thanks very much for this function - your work is appreciated :)

Thank you very much :-)

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      Func _InfoPC() Local $ObjService = ObjGet('winmgmts:{impersonationLevel = impersonate}!\\' & @ComputerName & '\root\cimv2') Local $ObjMB = $ObjService.ExecQuery('SELECT * FROM Win32_BaseBoard', 'WQL', 0x30) If IsObj($ObjService) Then For $objItemMB In $ObjMB $sInfo &= @TAB & 'Motherboard: ...... ' & $objItemMB.Product & @CRLF I'm beginner in this sphere and need  you all speak easy and simply because i'm Russian.Thanks)
    • By jguinch
      I did create these few functions several months ago. I post here, if it can interest someone.
      These functions based on WMI queries allow you to manage printers : add / delete printer, driver, port, or obtain configuration, set default printer ... I let you discover it with the code.

      Here is the list of the available functions :
      And some examples :
      #include <Array.au3> #include "PrintMgr.au3" _Example() Func _Example() ; Remove a printer called "My old Lexmark printer" : _PrintMgr_RemovePrinter("My old Lexmark printer") ; Remove the driver called "Lexmark T640" : _PrintMgr_RemovePrinterDriver("Lexmark T640") ; Remove the TCP/IP printer port called "TCP/IP" _PrintMgr_RemoveTCPIPPrinterPort("MyOLDPrinterPort") ; Add a driver, called "Samsung ML-451x 501x Series", and driver inf file is ".\Samsung5010\sse2m.inf" _PrintMgr_AddPrinterDriver("Samsung ML-451x 501x Series", "Windows NT x86", @ScriptDir & "\Samsung5010", @ScriptDir & "\Samsung5010\sse2m.inf") ; Add a TCP/IP printer port, called "MyTCPIPPrinterPort", with IPAddress = and Port = 9100 _PrintMgr_AddTCPIPPrinterPort("MyTCPIPPrinterPort", "", 9100) ; Add a printer, give it the name "My Printer", use the driver called "Samsung ML-451x 501x Series" and the port called "MyTCPIPPrinterPort" _PrintMgr_AddPrinter("My Printer", "Samsung ML-451x 501x Series", "MyTCPIPPrinterPort") ; Set the printer called "My Printer" as default printer _PrintMgr_SetDefaultPrinter("My Printer") ; Connect to the shared printer "\\\HPDeskjetColor") _PrintMgr_AddWindowsPrinterConnection("\\\HPDeskjetColor") ; List all installed printers Local $aPrinterList = _PrintMgr_EnumPrinter() _ArrayDisplay($aPrinterList) ; List all printers configuration Local $aPrinterConfig = _PrintMgr_EnumPrinterConfiguration() _ArrayDisplay($aPrinterConfig) ; List all installed printer drivers Local $aDriverList = _PrintMgr_EnumPrinterDriver() _ArrayDisplay($aDriverList) ; Retrieve the printer configuration for the printer called "Lexmark T640" $aPrinterConfig = _PrintMgr_EnumPrinterConfiguration("Lexmark T640") _ArrayDisplay($aPrinterConfig) ; Add a local printer port (for a file output) _PrintMgr_AddLocalPort("c:\temp\output.pcl") ; Remove the local port _PrintMgr_RemoveLocalPort("c:\temp\output.pcl") EndFunc ;==>_Example Download link :
    • By RTFC
      The CodeScannerCrypterBundle (ca. 2.5 MB unzipped) contains the following UDFs and utilities:
      CodeScanner: analyse AutoIt script structure and content, identify potential issues, generate MCF data files CodeCrypter: front-end GUI for the MCF library, for script encryption (without storing the decryption key(s) in the script!) MetaCodeFile UDF (MCF library): for analysis and user-defined alterations of AutoIt script structure and content MCFinclude.au3: #include this UDF in any AutoIt script that you wish CodeCrypter to process AES.au3, by Ward; machine code UDF for AES encryption (32-bit, patched version) CryptoNG, by TheXman; encryption UDF using Bcrypt dll calls (32/64-bit; various algorithms) StoreCCprofile.au3/readCSdatadump.au3/helloworld.au3: auxiliary utilities and example script HowToCodeCrypt.pdf: a simple guide in five steps CodeCrypterFAQ.pdf: questions and answers, partly based upon exchanges in the CodeCrypter thread. Please follow the links for additional information.
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