ARTools

2016.4.21

Public/Get-BitlockerKey.ps1

function Get-BitlockerKey
{
    [CmdletBinding()]

    Param(
        [Parameter(Mandatory = $True,Position = 0,ValueFromPipelineByPropertyName = $True)]
        [Alias('PSComputerName','DNSHostName')]
        [string[]]$ComputerName
    )

    Begin{
        $BitlockerKeys = get-adobject -filter "objectclass -eq 'msFVE-RecoveryInformation'" -Properties DistinguishedName, msFVE-RecoveryPassword, WhenCreated

        Class ARToolsBitlockerKey {
            [string]$ComputerName
            [string]$RecoveryKey

            #Method
            [void] Read() {
                [char[]]$Characters = $this.RecoveryKey

                Foreach($Char in $Characters){
                    New-AudioNotification -Message $Char
                }
            }

            #Constructor
            ARToolsBitlockerKey ([string]$ComputerName,[string]$RecoveryKey) {
                $this.ComputerName = $ComputerName
                $this.RecoveryKey = $RecoveryKey
            }
        }
    }

    Process{
        Foreach($Computer in $ComputerName){
            Try{
                $null = Get-ADComputer -Identity $Computer -ErrorAction Stop

                [ARToolsBitlockerKey]::New($Computer.ToUpper(),$BitlockerKeys.Where({$_.DistinguishedName -match "CN=$Computer,"})[-1].'msFVE-RecoveryPassword')
            }
            Catch{
                Write-Warning -Message "$($_.Exception.Message)"
            }
        }
    }

    End{}
}