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-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:48:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum af436e53154394a8627cd180043ee5822d75c7de * md5sum e64c1948032f0d257ac05f22bda907ce 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSc3jPAAoJEIXCXpWhbrlNTHwH/2MTCoBMCXAHuBvDPfPTRdo0 M/eMHwu3CC5/NIugkyCNoJvQ6xEB3TRjHAXdjDzrkHEb2oM/SqDNrQr6Rg20DgmX FczPEVrrUKgGsa2gqk4F30geTjTrrfeqwTY/2IFoq41CtF/omlhNmmG/aTP6O3gP uVZEDOYXruSLUr89ZsgIHPERMngk7vd5DVEwQ1/aL2klsatF2IqgHaN1llFNS7ba UqLS/18WjUzROpC3/HuRDuF30ep7qQdYMlN5fi+o7Wbl73UToMH8H5X8cD4xXI5B z+hsUAVqwfL69NWC8jVyLxw0hxo5G3ie2AAfWPvU1nnN3qWs5rJfUyE0zcFEM+Y= =mVaz -----END PGP SIGNATURE-----