-----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 turnkey-phpbb-17.1-bullseye-amd64.iso.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 turnkey-phpbb-17.1-bullseye-amd64.iso
      90364e74080b67665fcb7f2ac20014d27b5c595c6b8b39cb9d285e9b02948550  turnkey-phpbb-17.1-bullseye-amd64.iso

    $ sha512sum turnkey-phpbb-17.1-bullseye-amd64.iso
      68de17bf8da7dc40530c56b8a57be0b8eb3020bf806a92f9047407a502f4b0142fb4fa2408e48d3e7e1bddc4ed795b0e18d5d8da6caed373c2e6346974b3d809  turnkey-phpbb-17.1-bullseye-amd64.iso

   Note, you can compare hashes automatically::

    $ sha256sum -c turnkey-phpbb-17.1-bullseye-amd64.iso.hash
      turnkey-phpbb-17.1-bullseye-amd64.iso: OK

    $ sha512sum -c turnkey-phpbb-17.1-bullseye-amd64.iso.hash
      turnkey-phpbb-17.1-bullseye-amd64.iso: OK

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

-----BEGIN PGP SIGNATURE-----

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/rZCSw/+J+QD1XDXx85yhgwRBgbBE0J/s1y9OrNVPiGaak8Qb3mEAj8WY3FNZBKD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=JEuP
-----END PGP SIGNATURE-----