-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

To ensure the image has not been corrupted in transmit or tampered with,
perform the following two steps to cryptographically verify image integrity:

1. Verify the authenticity of this file by checking that it is signed with our
   GPG release key:

    $ curl  | gpg --import
    $ gpg --list-keys --with-fingerprint release-bullseye-images@turnkeylinux.org
      pub   rsa4096 2021-08-04 [SC] [expires: 2041-07-30]
            E10F 6567 0C8E BE42 ED0C  3A49 CCA5 1174 468F 9073
      uid           [ unknown] TurnKey GNU/Linux Bullseye Images (GPG signing key for TurnKey Linux Bullseye Images) <release-bullseye-images@turnkeylinux.org>
      sub   rsa4096 2021-08-04 [S] [expires: 2041-07-30]
      
    $ gpg --verify debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz.hash
      gpg: Signature made using RSA key ID E10F65670C8EBE42ED0C3A49CCA51174468F9073
      gpg: Good signature from "0"

2. Recalculate the image hash and make sure it matches your choice of hash below.

    $ sha256sum debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz
      f59cd40aeb4610bf4adf0b384cd7ec2ab9825c5a6eaf4935a57fb14550d4ef84  debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz

    $ sha512sum debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz
      eff0adc38807edd04c0a61efb5c03065fd173a783c3c514b9a17972808cd8114d5c62573fac08ef4b9b2aa67f8f1c62fcd99573472e9943baa1104e70f380af4  debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz

   Note, you can compare hashes automatically::

    $ sha256sum -c debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz.hash
      debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz: OK

    $ sha512sum -c debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz.hash
      debian-11-turnkey-nextcloud_17.1-1_amd64.tar.gz: OK

    Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted.

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S8ffnKY1lbHpexJIzOx7uFkP0PTL8iZt8rqUKugkhyChRQlqkWOTgqKVaMG63Hl9
yvvjdMCja8E7/RpTdlkIFeIw3uHZuqVK4E3FDHGMV2j0bjX5y6eJe9IW+1F0QVby
8auXi+OoV+eOL9Ac+2kplf0SntUWYFu1x2uKJMIAkOcXllc86MdPoy8dBlx6Cxqy
50TfNBR3bsMUe1OWZFHQcjhbtUNvJF3SLnHFDZIfwrayyUXxgP+mw1dvmScSm303
jjsIUv3D76FfW0sLVwWKnFdqkaLnWjSIJg3jifLKegfxQca1tsB/SEpvNGnma5Ah
EkloapTfsGz7r9PUrT1hyBVUHTD8LoKQxt4ZAvIev3VdOhdqEtlRF8JFdGvEroLN
vjzWHYGgxdAZdS4DW6lMZiSxOLB0JA07JJDtJWbyN1YGah5S6rvg2Uw7DXFFuyUn
WtW3mdPK2iY7mCzEDO5RimhS4KMnT8ze1sSer0RqhwYZF58/3qE=
=uogI
-----END PGP SIGNATURE-----