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-sahana-eden-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 16:04:44 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 92ca07d579dd900036e53974fa926ffe026814aa * md5sum 3dc63655cb985df349ddda12c0c23c2a 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) iQEcBAABAgAGBQJRrhASAAoJEIXCXpWhbrlNOTsIALR4Hs+kG1FSzEvkgX+S2jvl ryqRNGMApQbx68/hlNu5rC0YVQktAkSlFs56m8EAbBOzOLqUx9rAQbjq6eQ6/xIi ArN8YxyiOvbbJJIMyS++DXa+esbIpoNAbhc0VZdM9IzC11zTDMSEkjBfH0LzH03H ea5+pht3pyYkfaDS0OJSSjqoc6JnLF5eRgnIN10faZBMYGWNyzJ9CVZEQkwUzOaj 5aOVmF9uwugN+cZGoNHiBhrLOMnDbiDQfzbx2hNNzDLROhjospuQ2TnVVHRpKUfe qLGj/K8P2nammy8t0T2S0x5vhseZx54UeCWt5NGCGoY5Q1TMiU1koWf7Gf59+po= =+yGC -----END PGP SIGNATURE-----