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-phplist-12.0-squeeze-x86.iso.sig
    gpg: Signature made Sat Aug 18 18:14:38 UTC 2012 using RSA key ID A16EB94D
    gpg: Good signature from "Turnkey Linux Release Key

For your convenience we also include file checksums:

* sha1sum  2189e189e5c242a49de6a478dc9fa0243067ebdc
* md5sum   c5cf9e60c7638720a7006f7de5f3ba11

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)

iQEcBAABAgAGBQJQL9uFAAoJEIXCXpWhbrlNt/AH/RrzFcjw5yZoFyXL4jcUdKH8
19rd/erWifatDv0hsx4V76+2mnv5OXS2fnweCHR2vmJggaPAvRHjs379P6hE9m4I
HVJtwSa9pjTaRjuYF5vRTSwSc4RckHYOtGCo2cw+nL8KgWZii6lCE/C0kyYlcVYU
C8cLQShdZVQQJqiEy4kvzCir2H6KzYly55HJvvBIx/1EBRIMYbKxpxpq0f/UHurV
srBOuETtXsXxIEgItke1uqPqPK5b5riIHNs10y1fbQzKjkS3sLAOP1iC81qejfP/
Hg0WOqRbrhtpX5rzTnmHyeTKB0wRszJZCxXSHQjcxUtaUyq/dD3FhArRTfqnBy0=
=vUYN
-----END PGP SIGNATURE-----