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-prestashop-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 16:14:01 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 4a52223a1dd5963aa9f9b3440efb28825bf71af7 * md5sum dc2b8bddb283bf4b939f504443a4bfd7 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) iQEcBAABAgAGBQJQM7O+AAoJEIXCXpWhbrlNzAYIANEz3znKgw5t0C14coQJzv1G 2N1ZYn45AB7onMjDHyxbPvxdj/PAJHMzBMNmFDYkYNIHwoMuhVpg+zB/dL8TJWVp sD1S+tvZmIN12TaGQZMBSR3b18T/6uXOLOKg22SA5mqKYsQ9bs3EH0bQuUuVkRsd 3Mviz5vhjiRE9cTyJFe9nxTm5Ig1fNcYjBBWZ7cNst0VtpNGIYeJ/ww9Nuu0R1Jg uxJyaeKqNoYxPWXtBX5UvWANUpV/3qZH8QP2ewBBooZkZ5hRZCeAlJi9VmYBtRvE rzW6vFJOqjr0+ppQfsNox5PyYfJxmfVcqIyDuyyT08B5zTVkQskYRDEYps56B1k= =1zHI -----END PGP SIGNATURE-----