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-12.1-squeeze-amd64-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 15:09:46 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0f4d3bd44b6df7c747a239a642ad983af923ec60 * md5sum 1c4bba70e88b336b07574b3805031731 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) iQEcBAABAgAGBQJRrgMzAAoJEIXCXpWhbrlNkGAH/jH1j9ciGfLNaZO1rMLboFe5 y70nuuoOns93Xr7xcR3M7gp7sfDJd0X6Tk3lZniSjp3FzKcUc6lmXxv1x8/ZuOn1 RMSWRJGoGCtg42eAW/F1tjX78BOiGiIFgPsFaw9TGOGu7okYLaYT4vyybag0zB63 4F84bToKhqB3YJwtZWQDfSpkjN47gohm3fyuhEolSM9vIaN5M5q/FWNFym/bYySu oK6viEbZwzdf966+YPJTF8EXf9zIfMhGHLBB5XAVgAZ51WJY2py5+qGRBEKA3Ldo 9rsqIlHlsBJsse1WhoZuoGbWt3VxWTwIsTMM70mtrEdIjy2vrpaP3QmsaKdHJ1I= =RpQu -----END PGP SIGNATURE-----