Using the Fingerprint Scanner for Web Passkeys

Framework Laptop 16 Linux
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  • Which OS (Operating System)? Manjaro Sway on Arch Linux
  • Which Framework laptop (11th, 12th or 13th generation Framework laptop, Chromebook or Framework Laptop 16) are you asking for support with? FW16

I use my fingerprint scanner with fprintd and PAM to unlock my user sessions and authenticate sudo.
But on a MacBook Air M1, I could also use the fingerprint scanner for passkeys in the web, for example to login to github.

Is this possible with the Framework at all, and if yes, under Linux?

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Not framework specific, but: The keepassxc password manager also supports passkeys. When version 2.8.0 is released, it is expected to include support for using the fingerprint for unlocking the vault.

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Linux doesn’t have OS-level FIDO2 support like Windows and macOS do, so any support will be specific to a browser or password manager. Watch FIDO U2F/WebAuthn abstraction/permission/portal/… · Issue #989 · flatpak/xdg-desktop-portal · GitHub for movement on this.

Google Password Manager recently added support for passkey management in Chrome, but Chrome does not seem to have any fingerprint support on Linux. GitHub - psanford/tpm-fido: A WebAuthn/U2F token protected by a TPM (Go/Linux) is a project that emulates a U2F token in software, but it appears to lack active development or fingerprint support.

I haven’t used it, but KeePassXC does appear to be the only option in a viable state. I’m not sure how great of a user experience it would be to exclusively use for passkey management while using another password manager, though.

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