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-bugzilla-13.0-wheezy-i386-ovf.zip.sig gpg: Signature made Tue Oct 15 14:51:18 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 7988c617819748d592cabd383ef74c19d4291c94 * md5sum 3af7ac2254cc1e84ee98a2f77ab46577 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) iQEcBAABAgAGBQJSXVZbAAoJEIXCXpWhbrlNgTEIAJ1DexI+N8fTGRUCRK8rXgLX MjWedi5c/haPtnNtM6KQeTQJyWhLHsYQ9GOsJ2kn7RqcR02B2CJUxpzgiNQHRC6g 1nFSZJpTRMyQL55+RdZWoo393LpOWXGUHecafeZtRZTcZaie5zoqu7W9i/t1Onaw w4ZPA8yCArjZMrYXYxvtnqlgM4NuK0l3kVzpErbz61rSVIJOlLkT1qKm+Dqr6+Wq eOhjarb/o/0tLRQiU4WJ+nYYvxCZHEd2WUZCDVR7qSDwGpZ/lO7lN/YYDg7n36rS D5Znax70FQRqUVZzQVAnOiUJG0t/YK28AywIeFeduW9bNtVYZIU4SFD8ME5Gt7k= =PJ22 -----END PGP SIGNATURE-----