https://bugs.kde.org/show_bug.cgi?id=433485

            Bug ID: 433485
           Summary: GUI input isolation for passswords a la gksudo
           Product: policykit-kde-agent-1
           Version: 5.21.0
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: wishlist
          Priority: NOR
         Component: general
          Assignee: d...@kde.org
          Reporter: ddascalescu+...@gmail.com
  Target Milestone: ---

SUMMARY
Would it be possible, perhaps with Wayland, to isolate keyboard input when the
user types in the password, such that no other process can log keystrokes?

STEPS TO REPRODUCE
1. `xinput list`
2. `xinput test <id of the keyboard device>`
3. In a different terminal, `pkexec bash`

OBSERVED RESULT
Every keystroke typed in the password input of the PolicyKit1 KDE Agent dialog,
is logged by the `xinput test` command.

EXPECTED RESULT
Typing the password in the PolicyKit1 KDE Agent input box should not result in
keystrokes being logged.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: KDE neon 5.21

ADDITIONAL INFORMATION
http://theinvisiblethings.blogspot.com/2011/04/linux-security-circus-on-gui-isolation.html

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