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-yiiframework-12.0-squeeze-x86-vmdk.zip.sig
    gpg: Signature made Tue Aug 21 12:43:28 UTC 2012 using RSA key ID A16EB94D
    gpg: Good signature from "Turnkey Linux Release Key

For your convenience we also include file checksums:

* sha1sum  6ddd58ef7c64c2f06d2bc15fb327e8e179b2642b
* md5sum   c1f40000d3741d953e00ccbff5aabbeb

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)

iQEcBAABAgAGBQJQM4JlAAoJEIXCXpWhbrlNq2sIAKkFjwMkCTliAje0CTPcXxcc
mBISb1fhfXtYbFuT8Xx8HuQONFydmshrdlG8GohMgaeDbfym89ZZQJGtqPS/8IDb
YVfl684Nn0HsV6dPSZlQBE5HhS5iZ8j9mpQ0+cn7HREGpNtDOLraX5PiOSirzqRe
jjfH0uOdFwRFmPkCOn0N6rZ0F/+hJWPQlz0WxARZrfi5EiY8ZWT+rCTb0xuVhlv6
XZKXZBPSQClbrsghgheXOjD7ad27PvlF4gPx0SlOt57KaJo8rKzviQNnDJFkWYBd
6K+Euy6hApyeZS4lSZobHg7qjtPYFy+K3P5r4MWn9yvNkbtHl59nV0JlluaRGms=
=1vLx
-----END PGP SIGNATURE-----