[Cryptography] You can't trust any of your hardware

[Nemo]

Jerry Leichter <leichter at lrw.com> writes:

> (b) flipped that around and figured out how to replace the firmware on
> a USB device from the host.  I wouldn't have thought (b) was possible
> - after all, how many firmware updates for USB devices have you ever
> seen?

DFU has been part of the USB protocol from the beginning:

https://www.google.com/search?q=%22usb%22+%22dfu%22

Have a nice day.

 - Nemo
   https://self-evident.org/