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-oscommerce-13.0-wheezy-amd64-vmdk.zip.sig gpg: Signature made Wed Oct 16 09:29:59 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum d5ebc7276c1aa478effb595451188e35f6d4f877 * md5sum 4758da55fd95e599b4c5f8bff5b7a17b 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) iQEcBAABAgAGBQJSXlyOAAoJEIXCXpWhbrlNt00H/2kt0OpBk3rsxSkrH0BrXHdA b9LnoenaGijEUe0vP10kh+luSxaYq0e1LeWAJIM0ayEbUnnnIWeSSxpOgqpcOsXo IgltnC5ulDgYdqQllDN4KrCkhGoqQUdJa6h5Y2yo0Dj+oJNGyLWPB/z0UfNCA1G0 lu7bwngZn7YmgFg0B5ku+JPxEH3y4QQi4XaX49dBKMtExYLmo8adc3q5rBUX1Mrc 7zq/ZMhxFsP8cVAovBva5x3VGEPt4iIYzJqqlekwcWhPUM3ALhPpLmyf2oOeH38X anAuf+Aln8CNSvkeKzC4I/b7C+ALhRVuJVOh4HvQI658kZQy8aRMN+5We7ltxlY= =VIdL -----END PGP SIGNATURE-----