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-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 08:39:28 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum dbde9dae401214e7199ec283a2137dd2cc7809bd * md5sum a4e21b13b93c2d4902cb25512b540d00 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) iQEcBAABAgAGBQJSXlC0AAoJEIXCXpWhbrlNvFIIAM1R+B+o3b5js889w8wvt7sb FS7l8B8hYVgfJGmGOBolAjBFXLq0ADEbGl6AziQcMPRValq4PJTUdm5a8GQ4sIqG 75/XWCIutlzNrZ9DIrEjSbWaqD7KeLHmjGULDiDRHvhiJRpL7+gBvvwOEpKKpJo0 fJuEDLGnfVa0IsrZkXlk1U9KqIdFykAoOwbjp+8vEuPDtHfvDULjgXIbT/XowgeG OUk2e2QbyHQUHJhNeZZenzB94bX7pbAeHYXXXSHjRTaNiU9jI79iQsGZziivPFff O+Siar1hOej4tGX23WSecOxkIbVRM2Tnz/2Nl6xXe363HD39XsltXU2Lw152yUw= =bCxy -----END PGP SIGNATURE-----