Add certificate to sign files

sign_files.ps1

@@ -0,0 +1,26 @@
+[CmdletBinding()]
+param (
+    [Parameter(Mandatory=$true)]
+    [String]
+    $path,
+    [Parameter(Mandatory=$true)]
+    [String]
+    $certPath,
+    [Parameter(Mandatory=$true)]
+    [String]
+    $certPwd
+)
+
+$cert = New-Object System.Security.Cryptography.X509Certificates.X509Certificate2($certPath, $certPwd)
+
+$files = Get-ChildItem -Path $path | 
+    Where-Object { $_.Extension -in '.dll', '.exe' } |
+    Select-Object -ExpandProperty FullName | 
+    Get-AuthenticodeSignature | 
+    Where-Object { $_.Status -eq "NotSigned" } | 
+    Select-Object -ExpandProperty Path
+
+foreach($file in $files){
+    Write-Host "Signing... $file"
+    Set-AuthenticodeSignature $file -Certificate $cert -TimestampServer "http://timestamp.digicert.com"
+}