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-bugzilla_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 14:57:38 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 902f8701afc62ae85fbfcddd3d098555ea6dfb52 * md5sum f781662601e02ef752a89b37390d4dc3 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) iQEcBAABAgAGBQJSXVfbAAoJEIXCXpWhbrlNNugIAIM39sbYdw8fCDIwiFlWcjF1 PpjiJDlqO+i3YIzry4oXdIxWpYMPMwVHoUNDblp4XZFhXA1ctweF9PhABit3DVGS kABkDGwKmtHcB4n4qoHOdDrbqsXpJbw3MmslVwi7yX0Jlpkx62+95IRPN8Yv8ioD COEnhC2nUw10qA0Pg6v5WmVVdAW/kWatUuNixwukrbh2qMVnitPaxYglgeEW+Dp/ KWqO+0ii86GDPaD1ASFDRyVkAeAyK6uF7JbDNNOP+PJ4vaKQoKD063JDD+0T1gCM B785ejwNYCd5eBvgj3pE3XP4okJOCbe9m5495g+0gV22aLwK+iph+DYn4GmILEI= =UhP/ -----END PGP SIGNATURE-----