-----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-ezpublish-14.1-jessie-amd64-xen.tar.bz2.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-ezpublish-14.1-jessie-amd64-xen.tar.bz2 a9c8be5a96966ecc733d80d8b1704309 $ sha1sum turnkey-ezpublish-14.1-jessie-amd64-xen.tar.bz2 0d35885cb55148dd1cf65f806dd867393c047f30 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJnyAAoJEIXCXpWhbrlN3bIH/1ixc4xJcqQtEy39LNY8gvh1 SSU6P7oxyg2pP/KhbGHkqXhFNlN3itcNUpL6Phczz+UhlCaJJU20SpEsqqyrFurL EfenqjFuxtbhMFyQiEYt77UGXcQFhIdL0SXX4IqKramWzTvCTW7XpdQPnxP06qA+ w+/sJw2uzmPNGmCGNPMOpCOPKyFzRDuraOYBXCe4bVt17FulMgb2F3501D58xcIr dG5/YnDdhkib9koHkNyhQHyskkRrU2KcgXmcmxcALFpERRxBVBqShyqWf5IYl3dE PMZ9N6/MdeBeaHUO8mBsvX9TwUQ0wIEh+131bjbObxebDB8OSoGzc7OO9GRMrTk= =d7hP -----END PGP SIGNATURE-----