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-postgresql-12.0-squeeze-x86-openstack.tar.gz.sig gpg: Signature made Tue Aug 21 16:12:03 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 83263638303414e8420bdea0161dd944b4e41b36 * md5sum fe0e8982aee8b7635208f687267e1d55 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) iQEcBAABAgAGBQJQM7NJAAoJEIXCXpWhbrlNnscH/jX9vvI5vjR1SUhUjI2PJ/GL b2PBPMZX4rSHHt5ZnPEAmtYCvThUyO3IhW31x0QkskpP16+U4fuxi7AOc0lAgJZ9 VCUBDI8K34eQGKBlhcX+7ilfQK74EehmAjXEfjuNr3sNKYcrp5nq3fAqf45jX0kn rO2RcgosQpMGc8nn+jCTVykOlJI0ufghQ5zDuxAV71YQ0aLSpiv9liMbwh4I6wZo RcRVnDgVWlThI74xq+ikU1X6E+Ny2VADlFZu4dts8XlUUtjluneprGBgn+bbPdkC BNQiuJlI2kIV0apISWivNZuKSPRvhrjojLau/j1Snf6HQWRaL5LOhwgk2TMZEu4= =oo1/ -----END PGP SIGNATURE-----