Implemented custom browser exam key defined by server.Implemented basic mechanism for app signature key (ASK) exchange.Below a list of the most prominent new features and changes: This feature update adds the App Signature Key functionality for server sessions, contains the new server-driven Browser Exam Key and brings a new configuration option for the file system dialog along with various accessibility improvements as well as important bug fixes. Safe Exam Browser 3.5.0 for Windows 8.1, 10 and 11