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-etherpad-13.0-wheezy-i386-vmdk.zip.sig gpg: Signature made Tue Oct 15 15:53:26 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 4fb0d13b415f972ff68af3d612b1a911255c5066 * md5sum 0b34d78f8726a8ac0fb239e1eccac67f 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) iQEcBAABAgAGBQJSXWTqAAoJEIXCXpWhbrlNZDsH/2E7suy6PEdEAHDMSFPTyiGu le9QTuLDwK5cxJXsliL94N/p9hRMVH/xbcbS5K8JjaA4OBL3uE5Pwcyz6tRDijSx b3gg1e+DwkmyDkS8b0uGxmgPUi2TpxVbZ9JHWI0+RMxGmu2+lZiJfdG0aZS+FF5i SQJ6rl7DQAu5bf4a+jeblR15cWYxFhzB30NVPjUhV3GBz0mp4i57G1crKgHFDQE6 SVMWJBHtnh+DRsoPNWC7dx/m4EJT41eE6oPi6tTdoS2DLb57UPZcGAcUvgVvdGQ7 6/Lqb0Ri0wvZcY8KoC2FWL/Hs0xG5ly8B45z5MLQlgAy7u1yDh+bY+KDyhEp5rw= =PI7Q -----END PGP SIGNATURE-----