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-movabletype-12.1-squeeze-amd64-openstack.tar.gz.sig gpg: Signature made Tue Jun 4 14:41:51 UTC 2013 using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key" For your convenience we also include file checksums: * sha1sum a4768d246680e8c19fc68c060de428e527e9c911 * md5sum f1fae986161ce6f517bf1b315f76f786 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) iQEcBAABAgAGBQJRrfymAAoJEIXCXpWhbrlNz1gIAKvSBwxwd15k8xmteFrBqCIE p4n8LCIyZpAB7wFzQfjl08Onk/LAWetJLkXDkJyBRww+LWMi/bYAFU/gateflPH5 OetwCMNE2k9n3bIng+I1cmMMaOn4lyZ2Fus4giSwBZpCpyP6++KmsKxhql4aq5er aVx86HZLp8RihHAUPsPmArAqjaFWUAfMMc4lU5oXwToNWdd62DG3nfaeCbgUHSRY jVnqiD2QGRksfTsp+BZ/2CzIYjMl+FlCgjyOPHmfMr6eWQzsZeME/u6YBQcv3YcU Vrb1W2jvjDm/7EMM9+I9lMaPK7kA2qmqpnxvzTifOBcxGSfDtiYuz97sQ6cCH80= =3ZCv -----END PGP SIGNATURE-----