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-django-13.0-wheezy-amd64-ovf.zip.sig gpg: Signature made Wed Oct 16 08:13:03 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 77f9068a86a499e402b70747b2517f9d48365cdd * md5sum 9d2d365b342ff935db50fc9ecc2e5a57 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) iQEcBAABAgAGBQJSXkqEAAoJEIXCXpWhbrlNKAwIALxp04ziT0FRNMjmoZgDpdkp idSI/eJJwtw16fh07Fch0Vg0L8SRev+NY79N7nj8gSkDLge0o+wF46H5JFtGolkc rYxchz1CyZvIoy6Yefhk5iqzWVrCjnleIPm8LKz4kosf3FPFXtyU797M7Aj4F3GD GRQR6dxylQVYlcwSMXItDnE/2iJ+fUoIsvgVvEORCDBRo1/Lle1Q5ymoVGls228a cU4/lrvG8E+/cpeWOCqhU6hzzzgQLmY3Z8hrAZn6JvxPYRkZOT+FKzkevdIjaZ/Q FmVK9cePxHK8T5dVIBMW4J7nj6o2WcVSx2SAbj5BTTRyNDNOlmY0RzoWV1uY2hs= =yY62 -----END PGP SIGNATURE-----