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-statusnet-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Wed Jun 5 00:28:04 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 9ac172b19f0ab94a54f33d624cf304df7aee337a * md5sum 8b3782064902cf684291a854e8e76f75 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) iQEcBAABAgAGBQJRroYJAAoJEIXCXpWhbrlNC1cIALIQPnLzhXZnH2hzZ2oHc79j 4K98LGekTsXOqtLTlz7ch9lsQhx9VmYvvrF4/bpkV0c/3hwkA6BKAq0GNZMD/V+x 6S9cyfBBXKEusaQHy0YktRKVI7puDD7jKnL8oLKJylEK8/TveFjaH8xIR/cq2rKq 1MSUd//7WhvgH6Tu8ZiOIWZaj3q6ijAQOkeEiha+XjdikGBmat0wboqDhjDt9Z+I R2ZkRv52BgtERI9j36AJeUB2xmii6cvFsvV5BHdQC+tq1uAUrBoyBogzAsM8hIsy 4inPiqln1Ik8gR1my4ZmOkziTnO4e+uGwkHTcMbovW3kYtTqUlaF+cyF+vsIcj4= =3dt0 -----END PGP SIGNATURE-----