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-ejabberd-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 15:44:09 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 3d75a5f3864892689c68ab04924e9683ae4c7717 * md5sum fda124632c746f15c5728657594df1df 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) iQEcBAABAgAGBQJSXWK/AAoJEIXCXpWhbrlNts8IAIM5LlQWQFnOgjGau2NC3nxb cyzf2j/695+OBR+dU2PB7N5UcWMsVIkhaELFYCIuP7b0pqqsuCPEzeOEdYda0R6f +1aWO1TNR6uda+I3Ef9TqkC3jPMgkP3HuLXrmC3FMHvSf+nMMSzFqDjP3FyL74Td QUJV8gUwPaGVBNOsp+Wa7wFs1vZwcomhVTLG5v/S7DBkG6IkdcTF0l3OIesjuupp xFA9vE1Ld2jx98UG2Fzupa2zVKuyDMG2PUJa19GkwloeW41AmCupgCoUo2A0QjSo 8aV3CGMlJ+8vwFwTdZRYFue4mvfet2XzkTEZs1yLWrhrnza0WNQab51CQWiUl/Y= =8MzG -----END PGP SIGNATURE-----