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-omeka-13.0rc2-wheezy-amd64.iso.sig gpg: Signature made Wed Aug 7 08:21:31 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum cb01f3a047ca885dc902fcf19aaa78f61956c2fd * md5sum 0e2359f335e6dc18d1c97da17595af6b 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 v1.4.12 (GNU/Linux) iQEcBAABAgAGBQJSAgOCAAoJEIXCXpWhbrlNfjwIAO0EL/LGbzgvY3HGj2LDPXxa vw/DOivqGWTgWRNx5iLySl7DVi+IvWNUuc58P66TWdn+lD5B8UnV1sZaAVKTVAhT UGgwQGNs3rh/nc3hdUgWIkowU6R+/3WELCTKWTnXPqnpLQl2jEtwbjKNwQ5VL/Ll uclMXBbRWce9Kw3xqeku3385FsRCG+4MXBffwXROrfR3K+3azHRco8QmdFCk6sdN alyrCiw5J1IwFpgy5C/rQIxsODh/Su4unaHdU403Ojazjvgp+ZmrFDlinz0QNOJb rAp8uhdCEbuR5qakV1XV2PbXQEoiXgvGxbtFB7jyww42kE1FptgClk12iWPra4c= =54wk -----END PGP SIGNATURE-----