You can see this if you run the tool (part of the dev kit). It shows the handshake:

Here is interesting, technically engaging content about the Sentinel Dual hardware key driver on Windows 10, written for IT pros, developers, or power users. In a world moving toward cloud subscriptions and virtual licenses, a small, green, oddly durable dongle clings to the backs of millions of Windows 10 PCs. You’ve probably seen it: the Sentinel Dual from SafeNet (formerly Rainbow Technologies). It looks like a chunky USB drive from 2005. But don’t let its retro appearance fool you—this little device is the gatekeeper for some of the most expensive, mission-critical software on the planet.

By default, Windows Update might install a generic "HID-compliant vendor-defined device" driver. That driver will make the dongle’s light blink. It will look happy. But your software will still scream “No key found!”