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-ovf.zip.sig gpg: Signature made Tue Jun 4 20:14:00 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 2b4e8e4ec664e15268e5401444774ed5e257d922 * md5sum 7879a464b3de14fe5c6a75958114dad8 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) iQEcBAABAgAGBQJRrkp3AAoJEIXCXpWhbrlNbgEH/3G1DA3a+bsOOZjFrZonUnyF xaDomE4sxosqHUUj+Hekw5yOs39SN+E361nPBqIFWKrEtBu83vSkgeoRdgQO+70m T5GZKL0/Dc+ipsR4o9qk6G9kXSXRSnIXGIhYEktNuugoi8ddcrP5sd19oifYwUOE MB1crNQ5+olcoW89FxTiYCjeds5ELP4ZLqDAgnE+qQ6mXybH6fzCsz/5Jvrn/STj BqD20zRY/gizwk3hi3vUh4oHObWE+aqJZ+4fsmI/BB5Tl526LJOdTi3YiQQxgQ+X v3UMdHExa90eyloLEpj5wVGMJ7Un4JWzRP017eP/Yyfm8ymA2V1JcrAN2jYJEIc= =k/CH -----END PGP SIGNATURE-----