ConvertFrom-SecureStringAsPlainText.ps1
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.SYNOPSIS Convert/Decrypt SecureString to Plain Text String. .DESCRIPTION .EXAMPLE PS C:\>ConvertFrom-SecureStringAsPlainText (ConvertTo-SecureString 'SuperSecretString' -AsPlainText -Force) -Force Convert plain text to SecureString and then convert it back. .INPUTS System.Security.SecureString #> function ConvertFrom-SecureStringAsPlainText { [CmdletBinding()] [OutputType([string])] param ( # Secure String Value [Parameter(Mandatory = $true, Position = 0, ValueFromPipeline = $true)] [securestring] $SecureString, # Confirms that you understand the implications of using the AsPlainText parameter and still want to use it. [Parameter(Mandatory = $false)] [switch] $Force ) begin { if ($PSVersionTable.PSVersion -ge [version]'7.0') { Write-Warning 'PowerShell 7 introduced an AsPlainText parameter to the ConvertFrom-SecureString cmdlet.' } if (!${Force}) { ## Terminating Error $Exception = New-Object ArgumentException -ArgumentList 'The system cannot protect plain text output. To suppress this warning and convert a SecureString to plain text, reissue the command specifying the Force parameter.' Write-Error -Exception $Exception -Category ([System.Management.Automation.ErrorCategory]::InvalidArgument) -CategoryActivity $MyInvocation.MyCommand -ErrorId 'ConvertSecureStringFailureForceRequired' -TargetObject ${SecureString} -ErrorAction Stop } } process { try { [IntPtr] $BSTR = [System.Runtime.InteropServices.Marshal]::SecureStringToBSTR($SecureString) Write-Output ([System.Runtime.InteropServices.Marshal]::PtrToStringBSTR($BSTR)) } finally { [System.Runtime.InteropServices.Marshal]::ZeroFreeBSTR($BSTR) } } } # SIG # Begin signature block # MIIZnAYJKoZIhvcNAQcCoIIZjTCCGYkCAQExDzANBglghkgBZQMEAgEFADB5Bgor # BgEEAYI3AgEEoGswaTA0BgorBgEEAYI3AgEeMCYCAwEAAAQQH8w7YFlLCE63JNLG # KX7zUQIBAAIBAAIBAAIBAAIBADAxMA0GCWCGSAFlAwQCAQUABCBBbQwJRKsaOdX2 # GYV6WdErErDkgQobRgjpThbi5bfW7KCCFJUwggT+MIID5qADAgECAhANQkrgvjqI # /2BAIc4UAPDdMA0GCSqGSIb3DQEBCwUAMHIxCzAJBgNVBAYTAlVTMRUwEwYDVQQK # EwxEaWdpQ2VydCBJbmMxGTAXBgNVBAsTEHd3dy5kaWdpY2VydC5jb20xMTAvBgNV # BAMTKERpZ2lDZXJ0IFNIQTIgQXNzdXJlZCBJRCBUaW1lc3RhbXBpbmcgQ0EwHhcN # 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