-----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-vanilla-14.0-jessie-amd64.ova.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-vanilla-14.0-jessie-amd64.ova d311af50cfa1891a76061e02183de778 $ sha1sum turnkey-vanilla-14.0-jessie-amd64.ova f8027269392f48c861d2a9a9d7ccc255d466fbc8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdaAAoJEIXCXpWhbrlNrj4H/AyStZa+oQUjV5syI8KNE2wI X9YodlYW+d9M5z9x0rDOWQFLYteJ+ajZuiRF2my8SbdixQ2aDKMyaNdVPPlaYJck RFhL9l/joKLK5LCtR9u1WW5k9S42BWY1c6s/RI2ske182j5eRbMylhR72agETxxh hQmKyH6vhiwfVUeusrp7bSop4c1jh3LTNn6M5VWHo5JIehWrMjKWJBtq25bekUf2 mlnskqS95x0wDpObi/9kgxyg2gPKlIXLHjioali8LB04FDnSweHKmKcE2TEA44UZ VRHXy1a55RVcQQmsdVSPEsl8dIYIjzbz7Py4GAmm5QHmJTD1SM5rmdshTt9TBPs= =xrT2 -----END PGP SIGNATURE-----