-----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-suitecrm-14.0-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-suitecrm-14.0-jessie-amd64-xen.tar.bz2 7c5c33bed402081c3cf47bbec85aab03 $ sha1sum turnkey-suitecrm-14.0-jessie-amd64-xen.tar.bz2 4437348cbf0616e49763fc0196a59cb66e89609f -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiCAAoJEIXCXpWhbrlNjQgIANRhgYi92G8Uq/LLm5BeXE5v SPeD4V+3wIR+p78JkTpoE0cYh+xqjjsRCvhgRHlkrhdwT/JZsUYeoDnYFCJB+I+m LzbDtdphpjMr/CjsUyMTFjm5yJCgOdgM83tr95ls/bXYQgCq0EL4TIJr0UrRCngj ROr6hOf4nqMiqHb+gF6Qf0SKhp5cev5zK2DokFMvLIML59iBlNzpjbtA7c90JeS8 +gB6vZWBFwuIef8xKo6LEpFuC6hMPgiO/L8sti4/eL7iImctNRrEPbBoyP0oxp7x m9L77HtdhbJW5qH2P5f4fBdzhnjTVTuDa3iNAJ3098wE3iO3OI7g0hq8rkvc94k= =7GsY -----END PGP SIGNATURE-----