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-django_13.0-1_i386.ova.sig gpg: Signature made Tue Oct 15 15:32:21 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 72e025647ef05c76afa3cad2abb59f774029b7eb * md5sum 15fff74ba38b3a3ee61315c307dce3eb 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) iQEcBAABAgAGBQJSXV/+AAoJEIXCXpWhbrlNpXAH/1aoY2prRZRWsZTbsgVfB7Lx v+otM5e29xliyMldzWsI77c2Nw47LIilsPOSTfeeKCyA9EV0IghFtkJxLnkIUkLe zafLWC+3Dc3RCDUYt7UtYUTc7mnLJFv7gRn/NUSrq8xkt+82XlYzLJuIvdlgmwYj VAbtrR9lrjeMgL0tnwGP0mlSTsWKlDLtuwV8INzVT00BQFu0fDveeApLLlcjwRHN Y7O2Iec8oxb+lz0LYGsi7w2ImBoSnvthXVcLjokyGys9h5XzbU7xFvXQik6V1BFP hA4+uNUWCAnoKZ5nB5bpqNcwja+8hREOFCZs+0M6Vw8UAwaaU43YWGZbqciWYMA= =Cs8j -----END PGP SIGNATURE-----