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-openphoto-12.1-squeeze-i386-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 22:51:06 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7183fee333b0d2ea3d208ae6984e208c23d9271c * md5sum 16e5e6792cd60e671cb1a46d16d5fe20 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) iQEcBAABAgAGBQJRrm9LAAoJEIXCXpWhbrlNvQEH/iVUSGEXci9tGKTSfbgejKMY md72HZCnpXS0vabdIc55WFe3NUBMHHUKehdf1GvQpqJFvWkjWoVbyhDVZW/kAihu sWxwNDweMthvup9H0J3moK0FY5r38XtLMDomIIZONZnA8XO8KupmP0BcOgTrrovK eEBQvrLi3smKMyoP725popsGUc6kLL+JcMqrj3/wwpsZS9lRyyfAX8j3k83pAmqL W9yyB6WSJHmsHHZB1ShUCPK1xtRg4U6CyVAE6Xj9KvRnMymNcKiI79cCtAQd9ccT 6JRygNmsa9BZ/67Tod0aSa/1RHxz6q4qFYLuEjVWgbuX6247a89gvKr8jHvsLDY= =avfv -----END PGP SIGNATURE-----