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-web2py-12.0-squeeze-x86-vmdk.zip.sig
    gpg: Signature made Tue Aug 21 12:40:57 UTC 2012 using RSA key ID A16EB94D
    gpg: Good signature from "Turnkey Linux Release Key

For your convenience we also include file checksums:

* sha1sum  a1eea535cf6746551b488e0a100a12b6af823ca3
* md5sum   c905880d16ece2abd28ee304a36d85fd

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)

iQEcBAABAgAGBQJQM4HOAAoJEIXCXpWhbrlNn7kH/2fLQMtz4TSu87MBMtAqSu59
Kq+cHfK8kcWf+SL7YY1E5VWf/W8Gu5HOMc5Gs64hhh+HKUefSoiOjtJcbcrdVwMV
prLxDxxgjCh2l/MZQKEgdolAKKKkNcL00nXMcAWgaqATnp5l9Ma5a9x34w/KjUL4
9447zng+RA759o4W5ENBx3wNl2ZTbfT5+0DUUqdjDMNi4qE0ZXT0NSs7uXFYwf4u
WH0P3rEGMHLzODwz7/MdqO8hkpuByGf0ZlST0RZ1Kocaf/0RsrBFWFshyIGvUP7s
KOFRXAXZGzpQSDUYmDbZEHOk38oKjsD69avVJRQ9ntCFzjmIw4HHs6LW1V3N+Y4=
=Lyw5
-----END PGP SIGNATURE-----