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-gitlab-13.0-wheezy-amd64-openstack.tar.gz.sig gpg: Signature made Wed Oct 16 09:10:50 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum b78b705602b74b7fa210055b00aca1a8c0f0a3da * md5sum 3490722b6187b731c056dbc4d52bbf2f 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) iQEcBAABAgAGBQJSXlgJAAoJEIXCXpWhbrlNXVcH/iacuVLkqG8dta/PEmH7A1RO Oao4EDoxVeS19pnUfAQk5sE+pwzA+ygVLwclwB7BnQJUrxZ9wkrQDjKDTPA3WHIa xIKsO0/7KSPN0O5oo+QSl+7qDaLxbLTMty1uGfPs5btunFHMq/fFY0tBOqAjVrzz gsyvTSWWwq6A/wiS8BOF23VktPgP+2MEO8fiqxm1b7ihLoEHenFrUAregErlbUwC FNoCLPl9s49abiAP1id/0vVg3wi5/1NfzeWOHIeQrSBGt08cPVw64EIcWV9/Q27O jTsQK0X1r6QPLq2xR5S5zmasnD4FLVXtLGtR0GZmhPMBj5LwdOmCE2sDqf1zgkg= =muzd -----END PGP SIGNATURE-----