If you're getting the PGP/GPG error, just refer directly to Mullvad's website for the command to run for the current signing key. Slug's comment is probably fine too, but I prefer using the method from Mullvad.
https://mullvad.net/en/help/verifying-mullvad-browser-signature/
Download the Tor Browser Developers signing key
The fingerprint of the code signing key is EF6E 286D DA85 EA2A 4BA7 DE68 4E2C 6E87 9329 8290 and it can be downloaded from TOR:
gpg --auto-key-locate nodefault,wkd --locate-keys torbrowser@torproject.org
Pinned Comments
tarball commented on 2024-06-26 08:35 (UTC)
Make sure to fetch the developers' signing key before building the package.
The official instructions are here. The link is also mentioned in the
PKGBUILD
.If the site is blocked in your region, you'll have to work around it or trust me that this is what it says:
which (as of 2024-06-26) should also show this fingerprint:
If your gpg says otherwise, you may have been fed garbage.