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-12.1-squeeze-i386-ovf.zip.sig
      gpg: Signature made Wed Jun  5 01:23:07 UTC 2013 using RSA key ID A16EB94D
      gpg: Good signature from "Turnkey Linux Release Key"

For your convenience we also include file checksums:

    * sha1sum  39f716a01c65c0e10dc73455563a203f4ec7cd64
    * md5sum   8c3f95e22beb3354bcef712af8fe85b3

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)

iQEcBAABAgAGBQJRrpLsAAoJEIXCXpWhbrlNf1QH/1NNY2OYfDuXwGUokRhN9t4C
RVAE7z89eDxUZfsLjBFI8TtWVwztRIKAurZjhj+i4g+nGhmebWktqnMaVF9p5TC7
tVEaoVL8lYuA1VXuV8+pdCt0Z6TAbuDRJLRJSOQXzSimyU5YNsoiXy9U4AA2131M
1lhe/ZPYc6c39UwBFwzKTn/O1w7Ik3ECPTA5OLz802pYcU2pgP3YByyshg5Ulmmb
S4dZRE4HzqKVfL1UY6bFBsAxu1AHiR9Yd4xjGYbsbxOYX0pHOO/ghTsADl0cF5cJ
igECU60X0z+UkdEiiiC23r7B4CgspT3+Jt7j+U+E8O7qtgIj6XhvWuCUalcBrgI=
=X90s
-----END PGP SIGNATURE-----