Am Sonntag, 27. Dezember 2020, 17:05:16 CET schrieb Sonali Warunjikar: > On Sun, Dec 27, 2020 at 03:53:36PM +0100, Sebastian Hilbert wrote: > > > Will update the thread when some progress is made. Looks like as far as > > > the basic knowhow is concerned, I may not have too many more questions. > > > > Sounds good. Persistence will pay off. > > Something remarkable happened. After playing back the initialization > sequence the usb device talked with till that point _disappears_ (not seen > in lsusb any more) and a new device with a different vendor:product (ID > 082b:100a Trophy RVG 5200/6200) makes an appearance. Looks like rest of it > is to spoken with the new device. > > I do not know how common the practice is and what's the reason - probably > obfuscation, probably something to do with design of the device.
I consider this to be some sort of obfuscation. Sometime they even send a PIN this way. This was recently discovered in some German Chipcard readers.
