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-clipbucket-12.1-squeeze-i386.iso.sig gpg: Signature made Thu Apr 18 13:20:15 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e1b56d0d8e2346b32844351df2f3661719b4d375 * md5sum de0251a3857c2311cfc2fa24f762c9a4 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) iQEcBAABAgAGBQJRb/LqAAoJEIXCXpWhbrlNoBAH/iiv6t3X/LhMH/yrNKIewHcU TuRf2nUZcrCBKW5lvnhFgzWTNNjGw/Cwk05koSjodCm84Ln/FtEqmjStOzbyyXHp k/22Wd9hJQoip79A4t+f8GNzINDpCWcDAAN4mU1f19IKSI+Ua0zgDJqAxhvrWvYL 8lNIFYwEMXnC6IbqgWN7cZUyPu6M7tgjY7Sx9SUW0snI4aCsy9GaSI6tKmSCttht xoozrnAFsGB7ghw5Js1lJHagCvc1FfcAxP8gjxK2ekA771GdWCraT15K11QIm+iL XBDt6Bcqf5BLk/89ukt7toRUDuxydpgOIbjraZ6oAX4BPwLgUi5/a5j3HXmXuec= =DmLo -----END PGP SIGNATURE-----