-----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-elgg-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-elgg-14.0-jessie-amd64-xen.tar.bz2 39a92767236e1056b13a8262ab7b514b $ sha1sum turnkey-elgg-14.0-jessie-amd64-xen.tar.bz2 111c80fb10b06e32eb0ce650143098a7e256cefa -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMdiAAAoJEIXCXpWhbrlNe8sH+QHthCSuYVhJQW5GrGTRq9aw 0DPaI7++MG28dtHuWxEfwAK3gP0O+fNuNAcYwt2f+HBDXLEV6RPDOVkq4na39uqW 8lhk/lLo7SwBOFtVNVgaBKSpaKIMOD/NEr9sAcrYOdflY2BThjvAlUYKv1KHOL9f M+jfjdros6+3c8GMFCbKPErPxaKTfmDYuX56v0J5O4dwsJmIay0JdLrIFZi+rBqz bnIPBHZfJZlvMzvqsgwiBoLKsVtOjApJJqBqG2YLJq32ejDWWHdl5H1BB1teH21X AXnXs8CU3X5lN8BMsb0FBNe9DAq22sk/SdiDT6MzrpFQ1NwVNfJ0Rb/2UhmDNtM= =7v5B -----END PGP SIGNATURE-----