-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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 https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import
    $ gpg --list-keys --with-fingerprint release@turnkeylinux.com
      pub   2048R/A16EB94D 2008-08-15 [expires: 2023-08-12]
            Key fingerprint = 694C FF26 795A 29BA E07B  4EB5 85C2 5E95 A16E B94D
      uid   Turnkey Linux Release Key <release@turnkeylinux.com>

    $ gpg --verify debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz.hash
      gpg: Signature made using RSA key ID A16EB94D
      gpg: Good signature from "Turnkey Linux Release Key <release@turnkeylinux.com>"

    For extra credit you can validate the key's authenticity at:

      https://keybase.io/turnkeylinux

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

    $ sha256sum debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz
      773ea706fc5a5fa3957328757265aa25e1ed26f2d197c50319b8f4b8053069d5  debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz

    $ sha512sum debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz
      c655ae67eb7b1aae8221bc120584948f762e507f615f44c75d76dcd55f9251ccbd54ac1fca9636bbcfa4edea9d47f0e5da616db39cbfd182ac95ee0377dd1ed6  debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz

   Note, you can compare hashes automatically::

    $ sha256sum -c debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz.hash
      debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz: OK

    $ sha512sum -c debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz.hash
      debian-9-turnkey-drupal7_15.3-1_amd64.tar.gz: OK

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x+EuO1cFX0OUXOKl2M/FJ1KXjENzGA==
=j8UG
-----END PGP SIGNATURE-----