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-xoops-13.0-wheezy-i386-openstack.tar.gz.sig gpg: Signature made Tue Oct 15 20:20:48 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum bbbb7ccca5d47c3234d74215b914dacbb23e960f * md5sum 79f3065678efa01248b4f9f108882a62 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) iQEcBAABAgAGBQJSXaOXAAoJEIXCXpWhbrlNvykH/372brDEdq1VQhFwOuDaVahP j3gkgCHj9TS3bvl9ijbfchsLUsvnqUCtfS5QKP1x/Xtpu+G49/wO70Flj6tBaH/s hmcZpxU2HmjGuGYwy6cCvz/J1Oe3GRpN5IbPFBOsgavBcycrHGwj8lvd75BRmWM6 LkAcmq6YAuJZ5kk/bYWZW7H59Q2I/YfH0Hs71rScPMdE3LRK356gTSZ473iM9hDg 7iUQVHGiG4k4V3//RktGNetrPdYrCtFjLmmlnKzPDi9SUtXl4hN+DJgqOWTeXbVS 4JI9R6xszfZ6VPV2kgT0twfzwvRYL8f3oBelD+BLGFkKeqq7cJfd+0MLXFKu2AI= =1GQg -----END PGP SIGNATURE-----