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-wordpress-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 17:21:20 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a64f7554230c8b7d9f4372d1b6475092a2d2f8f1 * md5sum 6198e71729fcf6f13c70123817fba405 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) iQEcBAABAgAGBQJRriIHAAoJEIXCXpWhbrlNdWsIAKrv6frqpELDlZEQXY8MqQ0y FbBarlfjLI+8S3ZYJE2Weyw4SkFElxqaM6jT8ps+H4lI8F3G5kzZTZkh9STlfyO3 Ew4hN9r8EuwRWpz9IxyQ8mk0fw2Ec2BuXFEFQc3T/dOCU58LhFS0Hpx8eZ0L9pfR ENL0HQbwflsebl7v4pg33IrfSx2NthPhvk+olKyRCYugjEx0eTxs7sIiWdfS+LZx QeY2bqW1L/l7pK5eFmj2uIHJg4bFfGQuvtLPDtgKslHFvKVoxq03HNIm+JR17o4B S1M/7aHKtU2Df+NOAen27iQjjwQwRE/mzqtJF7RIjuT8WCoRmw7BEhD+91ZjDp0= =U+8f -----END PGP SIGNATURE-----