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 debian-7-turnkey-lxc_13.0-1_i386.ova.sig gpg: Signature made Wed Dec 18 11:56:48 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 0a100cd2608f987c9faa305b60b139a0e3b80db7 * md5sum f5a1a8e60b590e20bfcc0a005e383cd1 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) iQEcBAABAgAGBQJSsY17AAoJEIXCXpWhbrlN0WkH/joLVm3X1OzosIP0lhYiqt+X FiuIjc20+N1Rjl+rc2mwBMBJJAYmHSqtsiJ1BKmvHnao6aGo64qus0ks4/KRackQ edSrV2X56utjC3/Wqiuum+wfSzfPYdG2uBE2lXcLHx2BLef3j9RVOesB1Os5pqyn wT2Uz4JhdKBWeGb+mEbwU/RjX93TKtjgaU9W13AqhfM6A98LU0RvU6wQTp8Exf1m jjaWpicaovt4Q4NiOMEWEw4ToeSnLHNqlzOUlOqfZiLtK8VaMvNij9hqu/fMUF6d r6WzbEs4+kVNUViqe6YU7R6Dty7hqLGFl0dVUGfA+c4TvlvfhE+zetWiE1mlavM= =DFTy -----END PGP SIGNATURE-----