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-amd64.iso.sig
      gpg: Signature made Wed May  1 14:14:48 UTC 2013 using RSA key ID A16EB94D
      gpg: Good signature from "Turnkey Linux Release Key"

For your convenience we also include file checksums:

    * sha1sum  0f90afa367df7a48e8e3d3dae93efe0ef79504c5
    * md5sum   847fa19c1513b0b75a6a77941b91a416

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)

iQEcBAABAgAGBQJRgSNPAAoJEIXCXpWhbrlNphsIAIa0bmpUsUKpJLlonVhltjt3
OlzCQgYnNLAvEDg7un7Msit+VpkXewVjofSP1Pg1GDamDBKey7QHFe3C/t4nGkr/
XKyYfyfuR+gVPuwh8anGVBkdP0WPiIqpB2ecVDkBtT1o/xrG7r+5eu8zo0yAmD+g
bTadKMGwMyHqXsy6HiJce/ZIeeHL8PH1wqnzhPNuTJgNj9xQKKU+C+LM3QJ1/CNX
mLS6rlhtqoXcqYS4IDunF2jtO3OdNDFj7RIXYGLcc8IYwTE2wCpCI1SPrn96U01n
v+RUGCpWpFd2ecWFEM0qn74Ovx/V+EJ9kSgAjuEOA3GMY8j9MCFvRA3icvGu3IU=
=6FeG
-----END PGP SIGNATURE-----