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 debian-6-turnkey-drupal7_12.1-1_i386.tar.gz.sig gpg: Signature made Tue Jun 4 20:49:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3c6a771831614127a2de649e400d485637741a8b * md5sum 83653363e824a738905cbeaa71e87829 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) iQEcBAABAgAGBQJRrlLlAAoJEIXCXpWhbrlNdTgIAOwpvxMhM/F1qyHFyxWuIFuJ zVYknig5aKmCtg51i9xJx1cuQZaZ01tMp50NnGHsAWP86C0nBC7VSAuQPn+vAaWo C2iDFOfT8RDIy9X/ozRZvMjGbKV+86CZE0EWaxXyFTxyXeOIF3Ml4hEfJxan5ndY 8DHIYiSxWEqOJl5dPevGJ4POTSzcpwutpdrU/mM7XjZsmEhczG1G/KVgc3ONFMeX RCBoF0TOyiZJTW92IWv9LincdPYHe1nwrp62dpzY2DNkKBctXGwXfrwK5QyDIlHH 85Uy0ss50z/H3ZHBVVZsIrDWpx8gRJyOKI/RaInZpE9qWyJvUiRnIkDx1Uh/RbI= =rpd0 -----END PGP SIGNATURE-----