Nitrokey FIDO U2F Support Coming With Linux 5.16
Written by Michael Larabel in Hardware on 28 October 2021 at 01:00 AM EDT. Add A Comment
HARDWARE --
If you happen to have a Nitrokey FIDO U2F as a two-factor authentication key, better Linux support is about to land. The built-in random number generator and LED are made available in the Linux kernel's hid-u2fzero driver that's now on the way for the 5.16 cycle.

NitroKey U2F is based on U2FZero device, but due to a different firmware and shifting around some of the protocol commands, the driver had to be adapted to better deal with different hardware/firmware revisions. With this patch now in HID's for-next ahead of Linux 5.16, the less than 50 lines of code changed should get the NitroKey U2F extra features working nicely under Linux.

The change was made by Collabora's Andrej Shadura. The patch does note that the NitroKey U2F is "a clone of the U2F Zero" device albeit with the different firmware.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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