-----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-collabtive-15.0-stretch-amd64-openstack.qcow2.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-collabtive-15.0-stretch-amd64-openstack.qcow2
      b81c7f25e531a1b46bd11593092ee6dc0edb45d8c09a5fa85f06efe5411849e1  turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2

    $ sha512sum turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2
      4ce621f62f354993a9784642f1255671b6218596f8b374fdf9952f74fe36c12744b97fa601841319ccfb2c5cdebbd6407d8f86ccda0c453f0ffe54eccfefb14c  turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2

   Note, you can compare hashes automatically::

    $ sha256sum -c turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2.hash
      turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2: OK

    $ sha512sum -c turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2.hash
      turnkey-collabtive-15.0-stretch-amd64-openstack.qcow2: OK

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

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uU2Gvgf8C9XKUKI6kVwW+0CpRmGBKCLT4fAk5dq7MrAUjD/iBp6rPb4+U9RdmozM
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OhPzNVwESg/2PGtBQolM3z6phUUjZPVUJOoCOwRrGY+RfivbyhAeOPmK4wX0UqUP
lEgsa1M7CRVc1FPoufW+v33aeMdBZg==
=1lE7
-----END PGP SIGNATURE-----