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-appengine-python-12.0-squeeze-x86.iso.sig
    gpg: Signature made Sat Aug 18 16:54:05 UTC 2012 using RSA key ID A16EB94D
    gpg: Good signature from "Turnkey Linux Release Key

For your convenience we also include file checksums:

* sha1sum  2ca2ff9118736ec81dfe221871cd6ae3a37536e6
* md5sum   8b552ac48e3b43efda62a328c27bc73d

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)

iQEcBAABAgAGBQJQL8ikAAoJEIXCXpWhbrlNBcAIALzSiEzM5BPoesZfHEg/OgqO
l0LNMqV2lFjE2UKDSymeJk2GOLCVNt2CgFrAeg65EFIebJRw4hyd6NIkzLMPoJtq
aQCSC8VxZR6/gkRRLjM8ngwIHhyQGyEnDP9EUZxFP8ILI+xGduxU3U0SwzKQYJvj
UBkqt54KoF5zfYkdpDrR2DMDtZX/imFM6gv1dSk5Uuc1Fzo78p/fnPmPnoUY6WAC
huXn6C6DfDt3zkwDOnJ2arDaXaRauM7/oGwjfrXn9TPuNiee9FAPxUmP3xCBcgI/
zikdlrvbFf2BcYnBpDaMnkuJpFPg2geibEA/8k1LyXuutsmOp87dxDLVtpsRv74=
=PE5d
-----END PGP SIGNATURE-----