-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Two steps are required to cryptographically verify image integrity. 1. By verifying the integrity of this signature file, you can be sure that the checksums included in this file are valid. $ gpg --keyserver hkp://pool.sks-keyservers.net --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-14.0-jessie-amd64-openstack.tar.gz.sig gpg: Good signature from "Turnkey Linux Release Key" 2. By calculating the image checksum and validating the hashed value is the same as listed below, you can be sure the image was not corrupted in transit or tampered with. $ md5sum turnkey-wordpress-14.0-jessie-amd64-openstack.tar.gz feaf46426f7df081e995c2cac1ad8d3b $ sha1sum turnkey-wordpress-14.0-jessie-amd64-openstack.tar.gz 5c948183661301ff3b0e68d616be626f20508e7b -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWXYG/AAoJEIXCXpWhbrlN3QEH/0R0SJMGyzmVGOWoU9KTYJjU Tyr/IWN1FZ8lOWV/1N+bu71RkeyXY8TS3iNid+TxtWe5PxlnumIQ8+Dejjc6riQn JrkCNqiD3EhXwf47BifQq/25Pwh27Ciw9mQQMVWTiiu1ePEXGU5CcEdRoQka23Ig lBnGHg62+qLV31RccUKNjwBE7DlIJL48Z6jrrlozmwqxq+qNYu6VNyF3KzRs0YCB Np9Cv3bgMHQQDwTlG2pmYYcshgX/8Niy9h8ua6/Z0G2s8gtEHrGG5BClv7LtHOug jwfeT3wYoxXQe/GvyHhRrTzwELiOK2KFrwOgBVdpMHnJaolnbLIaq+TRrmlMtYE= =IBMb -----END PGP SIGNATURE-----