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-simpleinvoices-12.0-squeeze-x86-openstack.tar.gz.sig
    gpg: Signature made Tue Aug 21 16:23:53 UTC 2012 using RSA key ID A16EB94D
    gpg: Good signature from "Turnkey Linux Release Key

For your convenience we also include file checksums:

* sha1sum  6016156ba3d428dba673ce2b344f4f01b0b1869a
* md5sum   31fbda361cfcc574c9e368405bb613a8

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 v1.4.10 (GNU/Linux)

iQEcBAABAgAGBQJQM7YNAAoJEIXCXpWhbrlNpI0IAK5qWHH9DP3766xCGQW0E8Ee
WCAKJKbjWXcP6hcDFTX0cf8AgFNBJKl3qKivBbDT8TO0zPj4tYXWZ3tRg6WG8Yna
algvEtNb/4H+QQuUiKLf88TlN96nThdKfhs/hDn0uzEpwdl19k/CF+phOJWw9pRQ
Bbkiq2f/wgvO/7jgc87YpYDp/B8WWfqMrmSiLNM3v/yI+KRGlNgCD2qUBcQMH0Vg
19TugQ19iPDQOeg8vXXC2oke7f2TAUb4NVWu8rBbHK2SwNvXs/3w5hC8EvmFaRjZ
2MyYy6HEpSfa4FEcObCFqiG07ThH9Xz4CpnadHohEI2fXQyxdTRXfjNErjCYIW0=
=ViL6
-----END PGP SIGNATURE-----