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-ezpublish-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 09:00:22 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 20d6d1a958805f0272ecddc2e53beba09175281f * md5sum 6fdce722b2c05b0053018cebd77d8a11 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) iQEcBAABAgAGBQJSc22fAAoJEIXCXpWhbrlNcmQH/3ywBCDTkkpPuqI/mfMp8i5a 2XjyYdEgOds4kDW5lD58sLClQB2GaX6wO1ykYSBh91ie6WWarVtKa9Wn7xywLYMa bYLfDNIfe8KxLNODV7qvcg0/9eCTiVGHDsMZHy3MdISnW4lVZTSKQQtElAs5wLng 6khwo3bMWBYzu28xg8U1wdkQ0n3BIEFOmRGkR2fbFvPtFcY4O91/gATY41eOUYc8 iLLSh11clEs90NzRrLy+ITl0iG0pID8GaQ9FdgqVDqiarwAFr40PLeNZxiHx74KU vMwKaDc3ra9lS/o7srj22JX6Z4mbhGEcPbFuFrvpsnsP8/EEo9LW3mOcFZcLKXg= =NsPP -----END PGP SIGNATURE-----