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-limesurvey-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 22:05:41 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 5058eafe30de43f5ece783be5f23d7d55a1f7f35 * md5sum 50f729feaed3e60a4f6478aae660a328 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) iQEcBAABAgAGBQJRrmSnAAoJEIXCXpWhbrlNDr8IAKF6VGZIBzLWMhdbXznDKQvY 2yy3KANP77MlxwkWm9h1zU+GNO7Yoi+XXLUbMue8iE94icXftIPatCwqhkBQuuCj xAeBl6M3hBwh8JbsOEawwaenU71mKt8JC1Dk3Siug57MPqZmGIGt4qDG60WSDRco VmSmzR72A/6JYEwl4mEjP3wu3SntvTWN44SVp47if1zG72LagZdgQjhWVj1DX0Q7 UETfJVPAmV2JTH+hSMRE6SwwlYAtyhggPRMGZLJPLRgwuXIyt0kZOpIGavZgVnkV p4vLNSBrWRK2wIgEhPW7S8ST4sF5DwavhFj2KPM/+S+8+VllHN9oqc3rWQfSApY= =BXYZ -----END PGP SIGNATURE-----