-----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 turnkey-concrete5-15.0-stretch-amd64.ova.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 turnkey-concrete5-15.0-stretch-amd64.ova
      17f828b898710b946a30ca16bb800c211def5f735be8b0b4c0c15a400840f873  turnkey-concrete5-15.0-stretch-amd64.ova

    $ sha512sum turnkey-concrete5-15.0-stretch-amd64.ova
      28cdba8dd523ca98c235e63f0f0482f160fc576da899a9da20d04ee8f184bd83c519a89326fea23dc99692341528986bf59db9c51c386bb189817bec66c241ff  turnkey-concrete5-15.0-stretch-amd64.ova

   Note, you can compare hashes automatically::

    $ sha256sum -c turnkey-concrete5-15.0-stretch-amd64.ova.hash
      turnkey-concrete5-15.0-stretch-amd64.ova: OK

    $ sha512sum -c turnkey-concrete5-15.0-stretch-amd64.ova.hash
      turnkey-concrete5-15.0-stretch-amd64.ova: OK

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uU1BvggAgwLJhjYmHlFvifatVFtJySaEj7y5AdAjZ+l0XX8cYcKz/UJIU7/vrqmd
JYbkAqzr7XmvGpkstm35FNIxxJK/eX/0NbJ64ChItB26SGmSrjJyVvHSsgN2wREm
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vRmIJi1jel18fG5ZEzcnp1Wtsk5ep+wmCL67L9S2YOLBUbN1q96OEQ2STHKOQ6Wm
pVIPOkEABgMdnktS16Ug95gqNvPAQQ==
=mr6c
-----END PGP SIGNATURE-----