-----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-roundup-14.1-jessie-amd64-vmdk.zip.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-roundup-14.1-jessie-amd64-vmdk.zip f7bc3a2a89eef8be3265e76e24a307ee $ sha1sum turnkey-roundup-14.1-jessie-amd64-vmdk.zip ffe55521b662daf46aa4c038a97d5040d85cf0e8 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn5AAoJEIXCXpWhbrlNv90H/24b77qgH6DwuuKuHzz4ciCJ jktDxxqHGTxGSU7sQSLu/OLKbziiqnSDjI2IktIY2+kE5oA/K33RPnFz0Tw3084D nvlbiEWvzmVOeMnUOHfsC/N4bnFvsGAoUN5tnpdoZG/Dn0llp/bNZSqN5eup+PXD MzkUrRSeJe2/IfYG5Z+0WP4ApG47sZii3fFiM41F+3Ai2OTX8ADmpJW5ejRJgKD9 osMbHKJhAPG1rjktI4+bebvmPnGuVU4xm/McS9PPruqnsjnA2jKWdbnjEnsEuWn4 g2rXk+bktfd3w1KcvNKK3C2MtW3wwxsYF46C1l7+oRVPhJeyYhhSjGNtzRN5Qgw= =NAyP -----END PGP SIGNATURE-----