This signature file may be used to cryptographically verify file integrity,
like this::

    $ gpg --keyserver hkp://keyserver.ubuntu.com --recv-keys 0xA16EB94D
    $ gpg --list-keys 0xA16EB94D
      pub   2048R/A16EB94D 2008-08-15 [expires: 2023-08-12]
      uid   Turnkey Linux Release Key <release@turnkeylinux.com>

    $ gpg --verify turnkey-concrete5-13.0-wheezy-amd64-openstack.tar.gz.sig
      gpg: Signature made Wed Oct 16 08:29:56 UTC 2013 using RSA key ID A16EB94D
      gpg: Good signature from "Turnkey Linux Release Key"

For your convenience we also include file checksums:

    * sha1sum  f405ba8315656db6f2d26a2769ff19c15a21ef81
    * md5sum   789181f19273e51a3d9d498ff08c0fdb

You can calculate these on your end and compare to check for errors, but
cryptographic verification is recommended for security reasons.

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)

iQEcBAABAgAGBQJSXk57AAoJEIXCXpWhbrlNGLIIAMtdxIrQpYvi7eyp+y5KMNXy
EMqWxZdcbGqI+Ko7X5pXhPX/x/aHdfslxErdhe/UtW9/4LUEA1go9VQqdpYPd3ok
1VQHD71tZibVUMLJ5AtpxCra3ftN+3CVaxynmAGxjnxX0IU33OCrgCETDOdHEvoI
12GCZEsGJozFe+z2ObOSBau3gJloO0zv6Jm4gI537xSkTN3Vpjzl3sO+avyR0GDz
p8kbs4srLZqgZkZlRViwEMeHWpyCODZxB1gi5RvvXAx0PUnS1gJu4d9Kv7hIA2FL
u5sq/AVtQo5QaNDls9G0LxwEhZX/jg10lr2KxidYb9O9jV4ATt4QFtKUWL2QWVw=
=53iz
-----END PGP SIGNATURE-----