Data/SecureString/Test-SecureStringEmpty.ps1
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function Test-SecureStringEmpty { param( [Parameter(Position = 1)] [SecureString] $SecureString ) try { # get the insecure string so we can tell if we put nothing in the secure string (ConvertFrom-SecureString will error in this case) $Ptr = [System.Runtime.InteropServices.Marshal]::SecureStringToCoTaskMemUnicode($SecureString) $insecureInput = [System.Runtime.InteropServices.Marshal]::PtrToStringUni($Ptr) [System.Runtime.InteropServices.Marshal]::ZeroFreeCoTaskMemUnicode($Ptr) if ($insecureInput -ne '') { Write-Output $false } else { Write-Output $true } } catch { throw } } |