This script makes use of WinTrust.dll and Crypt32.dll to: - verify the integrity of a file with its embedded signature or a given catalog (based on the work of progandy http://www.autoit.de/index.php?page=Thread&postID=68477#post68477) - determine the serial number, owner and issuer of the certificate used by the signature (developed by Kasty, based on C++ examples from MSDN) It allows to specify paths in any codepage (inspect .au3 file for more information). Example 1: $filePath = ".s