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-mahara-12.0-squeeze-x86-ovf.zip.sig gpg: Signature made Tue Aug 21 11:54:36 UTC 2012 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key For your convenience we also include file checksums: * sha1sum 2308874c31618b2fd9993ef561afc0cebc4778dc * md5sum 5df9dae1dbc70ae77e4f7042a4c9e9cf 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 v1.4.10 (GNU/Linux) iQEcBAABAgAGBQJQM3bvAAoJEIXCXpWhbrlNBJMIAKFkhY9kYKocjnE2mZhnGchF qIqh7HYAZkmXNEAOWR7BIu4DkFqEDvin0KHe4rgrTyEqDfxRQiB8UPRrGwSeYz4j nbovq19YB+sYHAAGdmXQnPKNuJgCia+K4eeomJCU5BHWLs4/5VbUuQkZz8YP91KA AgvCYooUW9QhtWf7PqBjS4r79ue8Gy+yKrm4FkbKb/7i5zKjJNfd7sEzQfI7StcQ g3nwhRn9LpvCwoKNAycSwgDiM4qghBh89yWizZBOf1Lqy2awIkIKjvYbZG3OE3sK X9Twp5yn6FKZtJGKWSlFJgXabf4cQXdSKO2K4XA5ND0ixB8Cm/h19qa4jiYjBWs= =vDlm -----END PGP SIGNATURE-----