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fwupd/plugins/nitrokey
History
Richard Hughes 058dc2301a Include the plugin README text in the generated docs
2023-01-10 14:58:30 +00:00
..
fu-nitrokey-common.c trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-nitrokey-common.h Lots of spelling fixes 2022-12-29 13:57:31 +00:00
fu-nitrokey-device.c Split out the dump helpers to a new source file 2022-06-14 14:36:52 -05:00
fu-nitrokey-device.h trivial: reformat the whole tree to match new format 2021-08-24 11:18:40 -05:00
fu-nitrokey-plugin.c Build many more plugins as builtin 2022-09-28 17:01:23 +01:00
fu-nitrokey-plugin.h Build many more plugins as builtin 2022-09-28 17:01:23 +01:00
fu-self-test.c Be smarter and include less header files per source file 2022-06-14 14:36:52 -05:00
lsusb.txt Lots of spelling fixes 2022-12-29 13:57:31 +00:00
meson.build trivial: Ensure that G_TEST_SRCDIR is set for all self tests 2023-01-04 07:24:01 -06:00
nitrokey.quirk Simplify the quirk file format 2021-03-03 08:30:34 +00:00
README.md Include the plugin README text in the generated docs 2023-01-10 14:58:30 +00:00

README.md

title: Plugin: Nitrokey

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

Update Behavior

The device usually presents in runtime mode, but on detach re-enumerates with a different USB VID and PID in DFU mode. The device is then handled by the dfu plugin.

On DFU attach the device again re-enumerates back to the runtime mode.

For this reason the REPLUG_MATCH_GUID internal device flag is used so that the bootloader and runtime modes are treated as the same device.

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.

External Interface Access

This plugin requires read/write access to /dev/bus/usb.