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 $ gpg --verify turnkey-wordpress-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 17:03:24 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 7379d2cdf95832a7f8fb4d0b4eddac9a61387e72 * md5sum f0496c0e12c5c266452d1fbadb39c062 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) iQEcBAABAgAGBQJQM79QAAoJEIXCXpWhbrlNIm8IANLyma5c/ueQz4ulwudItPdh ce0YdGw+qEeemZL3mYj9NTAjbUMqy7jmzZv7BXmtbX6ufS5qtFaPSmgb8wW2s0gg tZAX+/phUhSEKc9Si5trL33xL7D+4ewmkSCv6ENVkeGJ50J9IUj07ZToHCGM8fKZ WlfBBFWyfBUPXhNdrGrdVOyCgcwKR6h1lQIKcM4tcOMoI7aL5rPgrtm8YKk9tjpv eWPalvQWGnWngGnAkG2VItrp3FsaHiRPVHn3hM9MB2kD2c4Vgg1CQk/TfEFw1/x6 pPOGg8THCqXmoXnvyw5f8qpk8sZDBxO4xWqjtAbm1JwnTH4w9L+dDIh0sXzy2po= =fmgO -----END PGP SIGNATURE-----