Update

Encrypt-Script.ps1

@@ -0,0 +1,43 @@
+<#
+    .EXAMPLE
+    .\Encrypt-Script.ps1 -Path "C:\scripts" -ScriptName 'script.ps1' -Credential (Get-credential)
+#>
+
+param (
+    [Parameter(Mandatory)]
+    [String]$Path,
+    [Parameter(Mandatory)]
+    [String]$ScriptName,
+    [Parameter(Mandatory)]
+    [System.Management.Automation.PSCredential]$Credential
+)
+
+$scriptPath = "$Path\$ScriptName"
+$DestinationSctiptPath = $Path + "\" + [System.IO.Path]::GetFileNameWithoutExtension($ScriptName) + ".bin"
+
+$testPath = Test-Path -Path $Path
+if ($testPath -eq $false) {
+    Write-Error "Path '$path' does not exists"
+    break
+}
+else {
+    $testFilePath = Test-Path -Path $scriptPath
+    if ($testFilePath -eq $false) {
+        Write-Error "Path '$scriptPath' does not exists"
+        break
+    }
+}
+$credentialTest = ($Credential.GetNetworkCredential().Password).Length
+if ($credentialTest -eq $null) {
+    Write-Error "Password lenght used is equeal 0"
+    break
+}
+
+function Encrypt-Script ($ScriptPath, $DestinationSctiptPath, [SecureString]$Password) {
+    $script = Get-Content $ScriptPath | Out-String
+    $secure = ConvertTo-SecureString -String $script -AsPlainText -Force
+    $export = $secure | ConvertFrom-SecureString -SecureKey $Password
+    Set-Content $DestinationSctiptPath $export
+    "Script '$ScriptPath' has been encrypted as '$DestinationSctiptPath'"
+}
+Encrypt-Script -ScriptPath $scriptPath -DestinationSctiptPath $DestinationSctiptPath -Password $Credential.Password

Execute-Script.ps1

@@ -0,0 +1,33 @@
+<#
+    .EXAMPLE
+    .\Execute-Script.ps1 -BinFilePath "C:\scripts\script.bin" -Credential (Get-credential)
+#>
+
+param (
+    [Parameter(Mandatory)]
+    [String]$BinFilePath ,
+    [Parameter(Mandatory)]
+    [System.Management.Automation.PSCredential]$Credential
+)
+
+$testPath = Test-Path -Path $BinFilePath
+if ($testPath -eq $false) {
+    Write-Error "Path '$BinFilePath' does not exists"
+    break
+}
+$credentialTest = ($Credential.GetNetworkCredential().Password).Length
+if ($credentialTest -eq $null) {
+    Write-Error "Password lenght used is equeal 0"
+    break
+}
+
+function Execute-EncryptedScript($BinFilePath, [SecureString]$Password) {
+    trap { "Decryption failed"; break }
+    $raw = Get-Content $BinFilePath
+    $secure = ConvertTo-SecureString $raw -SecureKey $Password
+    $helper = New-Object system.Management.Automation.PSCredential("test", $secure)
+    $plain = $helper.GetNetworkCredential().Password
+    Invoke-Expression $plain
+}
+
+Execute-EncryptedScript -BINFilePath $BinFilePath -Password $Credential.Password