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-6-turnkey-prestashop_12.0-1_i386.tar.gz.sig gpg: Signature made Tue Aug 21 14:32:26 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 9ec6ff8385428f8c1df48105b1af919ebb172e95 * md5sum 4704b80e1ff2fe895f498358bb60cd30 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) iQEcBAABAgAGBQJQM5vxAAoJEIXCXpWhbrlN0FMH/R46k4zJdrswIQv8AMe+tRdR 5TlF7Z1l7FcACWe+PEesbWYT24Prsq3QrckFU86XyLCV5YW7eqDLpERhapY087UU 3+0bP2T5nKKNZnstaXhxF9zjnxUTjI/xavtW1I4cflTnWjAocv7/LhX2RMifVLxJ fL5hdv7do8p2IQMmODQLmBEqmOgolejC2FTnP6LbCWPp/rXAs7m+Tki9MaUeuQ7m MenyptEtubRQwXw80NZAXBaDTaSlS5acaUk+opatzptrGjqnJxc68Q0NYxREe+zU MItDQ8R/xoxEIKcB3GYofO/dG8GOFlAq8HDJRtlYscY9IWvZmyFGgZ3OvN9+5p8= =yT3K -----END PGP SIGNATURE-----