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-sencha-12.1-squeeze-i386-ovf.zip.sig gpg: Signature made Wed Jun 5 00:01:53 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 051e91eba4d7207d01553657bc32812defeca839 * md5sum 96a358f38900df596e5f2076237e71df 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJRrn/UAAoJEIXCXpWhbrlNsuIH/jkohO2wfcKqaft47obc32/r +zTrKKRG2QahkoJXDuk9b74aZ9toX09XCYKTs5qvQbVcs8liNubqZE5ifpKvZXuC xCEXFsquVqmnHjGpSGCDsKlJaD8MNgMkJztqehvC2VbujJO1kG/ugHs04NUxFtfK JanY7jYIr/n0Vlq+4c+RVqG4NieVklTwq5Z9wcgISVlWiy7i4o1DAOMgZhdh5A2z /YfCP7eTMdl9MAju8vNTXxfYG2z31/EVdX2lS1sNUPStynzlilYqFwWSrcJz6+9e UElHBDMYNjQAioznWvp9V/Np8KHIX5VrSYiUfBPftgNHKPMKIes5PqAPEG8iJzY= =93Vy -----END PGP SIGNATURE-----