DellBIOSProvider

1.0

Read-DellBIOSPassword.ps1

                                Function Read-DellBIOSPassword {

<#

  .Synopsis 

    Reads a Dell BIOS Password from secure string storage

  .Description

    Reads a Dell BIOS Password from secure string storage.      

  .Notes

    Reads System.Security.SecureString from the default user path.

  .Example

    Read-DellBIOSPassword

  .Example

    Read-DellBIOSPassword [[-FilePath] <String>] [[-Key] <String>] [<CommonParameters>]

  .Example

    $SecureStringPwd = read-DellBIOSPassword

    #>

[CmdletBinding()]

Param (

  [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,ValueFromPipeline=$true, position=0, HelpMessage="Path to Password File")] [string] $FilePath,

  [Parameter(Mandatory=$false,ValueFromPipelineByPropertyName=$true,ValueFromPipeline=$false, position=1, HelpMessage="Encryption Key")] [byte []] $Key 

 ) 

PROCESS {

    if ([string]::IsNullOrEmpty($FilePath))

    {

        $FilePath = (Get-DellBIOSPasswordPath).DellBIOSPwdFilePath

    }

    [xml]$xml=Get-Content $FilePath

    if ($xml.Credential.Encryption -eq "PlainText")

    {

        $password=ConvertTo-SecureString -AsPlainText -String $xml.Credential.Password -Force

    }

    elseif ($xml.Credential.Encryption -eq "DPAPI")

    {

        $password=ConvertTo-SecureString -String $xml.Credential.Password

    }

    elseif ($xml.Credential.Encryption -eq "Rijndael")

    {

   #     [byte[]]$KeyBytes = [System.Text.Encoding]::ASCII.GetBytes($Key)

   #     $password=ConvertTo-SecureString -Key $KeyBytes -String $xml.Credential.Password 

         $password=ConvertTo-SecureString -Key $Key -String $xml.Credential.Password 

    }

    $password

 }#EndProcess

}#end Function

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