-----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-xen.tar.bz2.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-xen.tar.bz2
      75d573826e5cacd126b46c7779034f5cb62c31bb386892e821651face7302d1d  turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2

    $ sha512sum turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2
      f622c541ee95ab93cd490115ed3a46f6302713dfa39fb710b4cba6be4acf9c4cab2461e495d700975d2ba2eba04e7608cc2489ce89d1a110078f4aa9588ae094  turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2

   Note, you can compare hashes automatically::

    $ sha256sum -c turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2.hash
      turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2: OK

    $ sha512sum -c turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2.hash
      turnkey-concrete5-15.0-stretch-amd64-xen.tar.bz2: OK

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R2QWCIj0OmhCW1rCtSTv3QPXI9iFVAUHzDyUA5P0r3N2gBr51krCbv32BriGE+iZ
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DxT/ZQ9p8mt/s1/n2L7VxnoaDj9p1GdbmK6FePNgzp9xkN5H/UUrJqw9DUIkWxF2
iup4E2zTSqtbGzt1AQZh6EThBKQC71+NbOMEt3/oZ78JY7VBgG6cKzm2ukRjjdJD
nr7wBF4I2ciAq6h1d0OQ/wHF6VXqqQ==
=hwVL
-----END PGP SIGNATURE-----