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-phpbb-13.0-wheezy-amd64-vmdk.zip.sig
      gpg: Signature made Wed Oct 16 09:33:50 UTC 2013 using RSA key ID A16EB94D
      gpg: Good signature from "Turnkey Linux Release Key"

For your convenience we also include file checksums:

    * sha1sum  f7d9c7a5d508e9a2b1a81b19629313b7474788ab
    * md5sum   e4b8b886c9e9a37ffc75ccb21ca63b30

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)

iQEcBAABAgAGBQJSXl10AAoJEIXCXpWhbrlNiYAH/1ts9JPJC5uOLAfLCT57TbWP
b94qk/LWON5j2brVfbEArh+EvS1Yr+ax664rkmjJGVKiq9BX2B8qHuvnOlkhRqSg
Yf2EfWeVoTVHnCxyIGMHlLN/Tgi58hLd1COLXyrdITROYxMp1IZ5d6xuySW3HoZR
U7P5bQkEH+0tR03Vkt108QGOzlTrAndpIFlVPzjItPBPxETo+SOgXvoacypQWxqV
Tg5Pol7Z7bqOSNnKqlVP1GyUuKDTRw83jZ3fRRk8LZZNVdshj2JpYSp8Wsl1Y6yG
zITjjZnJIHFdNyAS7RhO/bSOWO35f/Bvxityb/2YS3wQeGWIjC7e7g5AQQux19c=
=tZUX
-----END PGP SIGNATURE-----