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[Launchpad Bug Tracker <1387908@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package systemd - 229-4ubuntu5

---------------
systemd (229-4ubuntu5) xenial-proposed; urgency=medium

  * debian/udev.postinst: Don't fail if /var/log/udev is a directory.
    (LP: #1574004)
  * Set MAC based name for USB network interfaces only for universally
    administered (i. e. stable) MACs, not for locally administered (i. e.
    randomly generated) ones. Drop /lib/systemd/network/90-mac-for-usb.link
    (as link files don't currently support globs for MACAddress=) and replace
    with an udev rule in /lib/udev/rules.d/73-special-net-names.rules.
    (Closes: #812575, LP: #1574483)
  * debian/extra/init-functions.d/40-systemd: Invoke status command with
    --no-pager, to avoid blocking scripts that call an init.d script with
    "status" with an unexpected pager process. (Closes: #765175, LP: #1576409)
  * Add debian/extra/rules/70-debian-uaccess.rules: Make FIDO U2F dongles
    accessible to the user session. This avoids having to install libu2f-host0
    (which isn't discoverable at all) to make those devices work.
    (LP: #1387908)
  * On shutdown, unmount /tmp before disabling swap. (Closes: #788303)

 -- Martin Pitt <martin.pitt@xxxxxxxxxx>  Mon, 02 May 2016 15:04:42
-0500

** Changed in: systemd (Ubuntu Xenial)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1387908

Title:
  [udev] FIDO u2f security keys should be supported out of the box

Status in systemd package in Ubuntu:
  Fix Committed
Status in systemd source package in Trusty:
  Confirmed
Status in systemd source package in Xenial:
  Fix Released

Bug description:
  [Impact]

   * Users plugin U2F key and it does not work in Google Chrome

  [Test Case]

   * Have stock ubuntu install, without custom U2F rules or libu2f-host0
  installed

   * Use U2F factor authentication website e.g. google apps, github,
  yubico, etc.

   * Pluging in the key, should just work and complete U2F
  authentication instead of timing out

  [Regression Potential]

   * Should not conflict with libu2f-host0 udev rules which is where
  these are currently shipped

  FIDO u2f is an emerging standard for public-private cryptography based
  2nd factor authentication, which improves on OTP by mitigating
  phishing, man-in-the-middle attacks and reply attacks.

  Google Chrome supports u2f devices which are now widely available from
  Yubico (new premium neo Yubikeys and Security keys).

  However, udev rules are required to setup permissions to allow the
  web-browsers which are running as regular users to access the devices
  in question.

  E.g.:

  KERNEL=="hidraw*", SUBSYSTEM=="hidraw", MODE="0664", GROUP="plugdev",
  ATTRS{idVendor}=="1050", ATTRS{idProduct}=="0113|0114|0115|0116|0120"

  Something like that should be enabled by default, however probably not
  encode on the vendor/productid as other vendors will also make u2f
  devices.

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