https://bugs.kde.org/show_bug.cgi?id=453358
Bug ID: 453358
Summary: [Feature Request/ Idea] Fingerprint reader from
smartphone using KDE Connect
Product: kdeconnect
Version: unspecified
Platform: unspecified
OS: Unspecified
Status: REPORTED
Severity: wishlist
Priority: NOR
Component: common
Assignee: albertv...@gmail.com
Reporter: marc_altm...@live.de
Target Milestone: ---
Hey guys,
I hope this is the right place to share my idea. If not, please tell me.
I know many users already had similar ideas (for example Bug 398931 and the
duplicates), so many people want this feature. I hope now is the right time
for this, because earlier no dev seriously reacted to this idea.
Idea:
My idea is to use the fingerprint reader of the smartphone (or other another
device with supported fingerprint reader like an laptop) for authentication
using KDE Connect. When you need to enter your password, KDE Connect on PC
sends a request to KDE Connect on your Smartphone, KDE on Smartphone asks for
authentication using fingerprint reader, if authenticated KDE Connect sends an
time-based OTP to KDE Connect on PC. If it matches, KDE enters password or
authenticates you.
Why:
PC users usually don't have a fingerprint reader and there are just a few
laptops with it (and even less fingerprint readers are supported by libfprint).
Always entering your password is stressful and you maybe use a shorter (and
weaker) password instead.
Use cases:
1. Maybe for login into your DE (this will probably not work after booting, but
maybe it can be implemented when you are re-logging in after locking or
suspending your session).
2. Maybe it is possible to integrate it in sudo/polkit so you don't have to
always enter your password when using it.
3. Maybe it is possible to authenticate directly through KDE Connect using an
API or something if other applications implement this feature.
In general it is useful for programs where you need to enter your password
multiple times (for example KeePassXC). I know that KeePassXC is working on
supporting fingerprint sensors. However, libfprint supports just a few
fingerprint sensors and just a few people even have one. Maybe KeePassXC can
also implement polkit authentication or even directly the KDE Connect api.
Let me here your thoughts on my idea!
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