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-clipbucket_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 15:02:23 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum e087226dbe67a8e0f92d7f57a6aa1f37703ada6e * md5sum 3ad6bf68db63778f1e46e215203084d4 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) iQEcBAABAgAGBQJSXVj2AAoJEIXCXpWhbrlN8mMH/24RIqP6KVYXWtGkukJifiaw IwdlGikrvq6DxEORPxFqKOGH2hR5CQAr9z+K5SecJAi0k4nQUHAKI8isaA5FhwP+ RiC1/qkDpfebAiUjAjSeKlOMWslDPab/GZz01y2HxZFya1p/J2TXMnSoEDVIgNXV WCt3jR3qQYM+zzuQrp6qV9UtLgGCwBaI8psfO4jorzEEYvUowls1QOxiddZL1fqa ++2M3oLZtoODstc2THlUjhGh2PyeAWGkAt3Hbe+R6eofh+hxws7Mo5ziXoV22gbo l41aJQ+1gEy5y+IbFI4Uji8C+fkY2JiFFAXw3tTuhVrMWOjeJYB1t+x1DEQSsm4= =WaC/ -----END PGP SIGNATURE-----