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-osqa-12.0-squeeze-x86-xen.tar.bz2.sig gpg: Signature made Tue Aug 21 16:15:38 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 4e9c0a7e4528641d4cbb76c3a8a20f1c8de4d94a * md5sum 3b508b651bb6377ceaf288b35cc3e73e 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) iQEcBAABAgAGBQJQM7QgAAoJEIXCXpWhbrlNdOgH/3cCZP97+zlU9fSkAE/CV5Z9 zkokTOTjsPq6EVoiDjd3hrStopS0moTcANL+ZpHn+3oOqdK3jQHPGgk2Sf9PcpTc FqmVxcLZST0j/BLK0arE4FRmGnm2SOd4B0gqezkTdf9ok6MHXXEs7PKd7vOuE4L4 P5hZMe1qkUdj56FqtzFj1xgEB8kC93tQYKtDDQbvXlwyPuR0r4Ti5R/mcZM/R0eT 7c0VGh72OUhvpRs9GvqdeM3MoDZrjbzjocfVR+tTYyiHVm7TEuTpWDKPHToMKURo +CUgskQf6b0wgbgHDAIE9caL8Vban4AR6wdCHYSutJmP1NZzksnJtJGG6XBawCs= =ECY1 -----END PGP SIGNATURE-----