-----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-revision-control-15.0-stretch-amd64.iso.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-revision-control-15.0-stretch-amd64.iso
      060a0023dd2b546cbd740c56b823d908ca20cd9b8da939e1d5f44b87c7e66679  turnkey-revision-control-15.0-stretch-amd64.iso

    $ sha512sum turnkey-revision-control-15.0-stretch-amd64.iso
      675310e3992c9fe7a62b447af9eb9a922fd534465eaaa71ea2035fdb1baf95a51064cdbfcf44d91e7d28ed8bf7d5beb97ca4f49b9151df296d3d9398734effe3  turnkey-revision-control-15.0-stretch-amd64.iso

   Note, you can compare hashes automatically::

    $ sha256sum -c turnkey-revision-control-15.0-stretch-amd64.iso.hash
      turnkey-revision-control-15.0-stretch-amd64.iso: OK

    $ sha512sum -c turnkey-revision-control-15.0-stretch-amd64.iso.hash
      turnkey-revision-control-15.0-stretch-amd64.iso: OK

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

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iqC48OEcFsRoBxHrakM+i4jkXYVDQJulKtfpwhkAAqb1HEPeGa8rrf0Do6jdYFX6
UP7KdXeM0FuQwbH3m+SEr+LZ1hPZILFWOdws2o/jK3gOOKCBBAz/b4OhFRHtwzdX
98Zm9UvJzYuPO9fRd/0knz1D55R6SDW1qtsekTBQgpZwkE70mc6RPpkYZC+ZTo9i
A3182Kabva+R0MEhMtaJ7qE1vJ60sQCAHc1SzqkMhA7H0SYIsxbCrYSpGoHCQnvS
voSz3YFpxGpWKRckkNgEes1ph8r/sA==
=S8Yu
-----END PGP SIGNATURE-----