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-owncloud-12.1-squeeze-i386-xen.tar.bz2.sig gpg: Signature made Tue Jun 4 23:09:00 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum 047bfaa7e714d4f480806677582d82e2139238ef * md5sum 8efc239ea26d5af26f41365266e242f7 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) iQEcBAABAgAGBQJRrnOBAAoJEIXCXpWhbrlNv50H/AlUGNYTylBo6vMVzvNXveG6 rfe1/i2xuIW60u536E5lGt3wZ9CY1nrSxvbaL6XTnN05zIU4xWEfsi72WwkcCint sofT8BV+Z696LZAnKS6zu2eUZFB0P8BEfJV2SwBNqEK0NrQnH8o3+6Gbw7kLJTU+ +6HUD/QKBtDWDS9k0ur3sfs1pofF4BUzIJDmaQ06H/X3mFS5setRTNAhi5rQgZnp QzoI4NgY7j2PqjO/RmVly26qvjrt3vx5WCZ+PMpmje2iFlg09QvA5IgPBo8bliAt NLcdabDZmDGe525JoRWR1ZoZwIJ3lm5GCBs90vFyZD7Yg2hpctVcYsVBL9iBWzQ= =oTzp -----END PGP SIGNATURE-----