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-drupal6-12.1-squeeze-amd64-vmdk.zip.sig gpg: Signature made Tue Jun 4 13:11:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum f1c7e84478c94984aea8f7437c1ea00158360f91 * md5sum b7e33e9723b8d7be533bcad0cc7c6aff 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) iQEcBAABAgAGBQJRreePAAoJEIXCXpWhbrlNq1oH/AlaW9WAwOiJigFiVZ6i1dhE sCod6drQC8qO/gCKp9nTHOo0yZgt9+0GLElcXb5DOTyldt9c2B4nrDDmNzNuYnrs tDXJ9jDZrHUaAI71yBpkpPsRrEZgez8/WLauA/DCTI7TuQS7VMd8b4dGYQ/n9KNL GZC71nXvRr+5mgTuWQrXtgEHug5ehzQAKkffKR52jrgvrmMPmnJGWtub2+VL4FEl zwZnbSwUpRqhzICcDSnoL1+paxTNoDU2LmXt13XyHSBYNKWNTMsondJ11KnxTI7K CmSOFvTgtkkWhw74+derRUZhq9xtXzzpJd3Fh2ZVGX6TC4AWpEw9101nBnBQk6U= =BKTA -----END PGP SIGNATURE-----