-----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-symfony-14.1-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-symfony-14.1-jessie-amd64-openstack.tar.gz a4fcd8fb3d9392261c610cbfc3639ab6 $ sha1sum turnkey-symfony-14.1-jessie-amd64-openstack.tar.gz 75f9d41302822ed249bdd85ba35573d92789d8d9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn6AAoJEIXCXpWhbrlNlZsIALhKkwSyNB7xI+WFuNPFyZ4w ys09YkmO46ThL6kBaIiqViBa/UsrAwky3Hg8Slq6OJn+wM12bEYN4i3+bGP5aIMN TFZ3HuGGAbu1NxDY77GiEgZK8cE6Kf0IBSrpu3myofpuWxCHDsBtKyPIRvVZQkd4 o2QswCcYkDevwBlWt7NBWqqM/knBv7MxV+j/D1XLYPKLJqEqG+orspxrUnzHe0Qf rXO40oj//wzkPX0CPJsDawKFW249VqMUukLqrXym7OXIpAjsiAP4tYvnoH0xezTw 0sOxoGDOopjL8XFm9UlmcZRCHmqTIDi4IM30Ngf4tGKaqiiXcDLn/GdERcnZoAg= =mJPn -----END PGP SIGNATURE-----