PowerShell - Script Encryption

Encrypt powershell Scripts

Function to obfuscate code containing sensitive data:

function Encrypt-Script($path, $destination) {
    $script = Get-Content $path | Out-String
    $secure = ConvertTo-SecureString $script -asPlainText -force
    $export = $secure | ConvertFrom-SecureString
    Set-Content $destination $export
    "Script '$path' has been encrypted as '$destination'"
}


function Execute-EncryptedScript($path) {
    trap { "Decryption failed"; break }
    $raw = Get-Content $path
    $secure = ConvertTo-SecureString $raw
    $helper = New-Object system.Management.Automation.PSCredential("test", $secure)
    $plain = $helper.GetNetworkCredential().Password
    Invoke-Expression $plain
}

From: idera