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 debian-7-turnkey-openphoto_13.0-1_i386.tar.gz.sig gpg: Signature made Tue Oct 15 17:35:57 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7fefa978e823c4c4a63b2affd1997cb98d9e9095 * md5sum aae0d13416a5f9bc64970e905670cd43 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) iQEcBAABAgAGBQJSXXz0AAoJEIXCXpWhbrlN20wH/3X/CTHmS3XsBmLiPmSbzIpz 81/Y/k1McQ96J6iooMd6VaHOuSLYSafjZNbBebJMqCd3r4x7Q0kWWGs3vzdibBpX 2/2ROjz2K77XX7Uj8oRcC7AJI9Bh7mEdMevWu+IRF4Ji/2irSqqCor6OlucAEZYh TtLKEqg5itLwupJu/XiiJZW1JDGZS32n5q/hdWMD/DeV+Qgkz48QSH/0EJP8c4Wu R4FSjhizlv8Bjs5O+GNvcO3coiB0VcxtWWe1nxI50OzgDIET6OG+5T9DeAc7Ct63 NZcRx2q1a2esdE3QwuvwCqVlXOjM3I0cOtGzFznl8sS4d349V+Kd/fL4pYF6BAQ= =LLRB -----END PGP SIGNATURE-----