-----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-gitlab_15.4-1_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-gitlab_15.4-1_amd64.tar.gz
      08676372cd72bc9f4724c1b9ac5a1835a85c5e534eb15f7d19b00a75d2d95268  debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz

    $ sha512sum debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz
      cc123ecbb084508d67951426a1f96407ee7fd320c364640ac1f8f66e9c525f6950daf576d8f0bb7a461d8366dee3df1ec5992f45305e66b7fc2f218cc100daf6  debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz

   Note, you can compare hashes automatically::

    $ sha256sum -c debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz.hash
      debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz: OK

    $ sha512sum -c debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz.hash
      debian-9-turnkey-gitlab_15.4-1_amd64.tar.gz: OK

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AhV03l0wjFyU8CcTqCgkR5kfGLMQh5RXyG3rxJdZ9z97CeTl64X0t7hXN8w/N0NH
t/BPEaexrjJ0QldMfGWaqpGSGOlTjg==
=Jkdo
-----END PGP SIGNATURE-----