unlocking a vault using Howdy (Windows Hello–like facial recognition) on Linux?

[bahrampeymani]

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Brief Summary

Is it possible to add support for unlocking a vault using Howdy (Windows Hello–like facial recognition) on Linux?
In other words, I would like to be able to unlock the KeePassXC vault using Howdy on Linux, similar to how Windows Hello works on Windows.

Example

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Context

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[phoerious]

Related to #7020. At the moment, we will focus on that. Haven't heard of Howdy before. How widespread is that? We usually avoid implementing support for niche applications.

[bahrampeymani]

Howdy is an open-source Linux tool for facial recognition login, similar to Windows Hello. It integrates with PAM and can replace passwords for login, sudo, and screen unlock. It’s somewhat popular in the Linux community, with several thousand GitHub stars and support for major distributions like Ubuntu, Fedora, and Arch. However, it’s niche, has some security limitations, and isn’t widely used in mainstream environments.
https://github.com/boltgolt/howdy