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fwupd/plugins/nitrokey/README.md

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Nitrokey Support

Introduction

This plugin is used to get the correct version number on Nitrokey storage devices. These devices have updatable firmware but so far no updates are available from the vendor.

The device is switched to a DFU bootloader only when the secret firmware pin is entered into the nitrokey-app tool. This cannot be automated.

GUID Generation

These devices use the standard USB DeviceInstanceId values, e.g.

  • USB\VID_20A0&PID_4109&REV_0001
  • USB\VID_20A0&PID_4109
  • USB\VID_20A0

Vendor ID Security

The vendor ID is set from the USB vendor, in this instance set to USB:0x20A0 in runtime mode and USB:0x03EB in bootloader mode.