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-django-13.0-wheezy-amd64-xen.tar.bz2.sig gpg: Signature made Fri Nov 1 08:52:24 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum bded8d76d659d52827333b262cee422937fe98d0 * md5sum 6fda5ddacb47ce4d5cf5bbb806c7300e 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) iQEcBAABAgAGBQJSc2vBAAoJEIXCXpWhbrlNBMkIAMXNKM1yQfJ4RoUs24p1As4v xN5Cy/QqUL/9Th30md04i0DUUcJycOboBjLE8VeRbUHX38MlrLnUYsk5zUMqaVk+ CxjJjQZItjDKR8KkZ8aER9ZMIMgMKFDTCPJC47+rlrBidccIpFjDEDb0UOAtOB6+ BlMAZ/OntU80d5Han1DFg5KD9/CIBX+7XZ9IrhxIHkMdw/lHNNbLuKOQJbXHOOYK Ndh5UAW7sCy1SpvViY+xt//rVOTJtM3WCi8atwt+AmwegRTB2wGTsZt1sGmCch9F WuFJ0/hcwW7m8X5CpSSVqfqVcaOCsyFZeglDbe/rlmuwaxQzZTcJ3RSqibLU1bk= =O052 -----END PGP SIGNATURE-----