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Verwijs's avatar
Verwijs
Helpful | Level 6
6 months ago

OpenPGP signature verification failed with Debian Trixie.

  Warning: OpenPGP signature verification failed: http://linux.dropbox.com/debian trixie Release: The following signatures were invalid: BADSIG FC918B335044912E Dropbox Automatic Signing Key <linux...
desktop
Install
Linux
steinarb's avatar
steinarb
New member | Level 2
4 months ago

I get this message once a day after upgrading to debian 13 "trixie" on August 12 2025.

W: http://linux.dropbox.com/debian/dists/sid/Release.gpg: Policy will reject signature within a year, see --audit for details

The relevant output from "apt update --policy", is:

Warning: http://linux.dropbox.com/debian/dists/sid/Release.gpg: Policy will reject signature within a year, see --audit for details
Audit: http://linux.dropbox.com/debian/dists/sid/Release.gpg: Sub-process /usr/bin/sqv returned an error code (1), error message is:
   Signing key on 1C61A2656FB57B7E4DE0F4C1FC918B335044912E is not bound:
              No binding signature at time 2020-03-04T23:26:35Z
     because: Policy rejected non-revocation signature (PositiveCertification) requiring second pre-image resistance
     because: SHA1 is not considered secure since 2026-02-01T00:00:00Z

Looks like you're signing with SHA1 and that will be forbidden by debian APT policy in a year from now.

  • Nancy's avatar
    Nancy
    Icon for Dropbox Community Moderator rankDropbox Community Moderator
    4 months ago

    Hey steinarb, as a first, can you make sure that your device is following all the supported requirements mentioned here? Feel free to also check out this Help Center article.

    We'll go from there.

  • slimy_asparagus's avatar
    slimy_asparagus
    Helpful | Level 5
    4 months ago

    I am having the same issues. I would rather stop using the dropbox app than stop using Debian.

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