-----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-simpleinvoices-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-simpleinvoices-14.0-jessie-amd64.ova eb0d13097039507e802122f6fde1db77 $ sha1sum turnkey-simpleinvoices-14.0-jessie-amd64.ova d8dd5b1920c304c79b00a83170851c02b1c275e5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdZAAoJEIXCXpWhbrlN48oH/jW41S2RveOlb7gSFqYIidvw 3ytyDuKswGVQ9kTXfOgncfDzbNsDQJp6UARhAyHL4yGdtpCqJLK3WJU3xhjvXL46 8D/9FmPC+cMK8Hq1jyIAsVNCQEL2Ole0YJwJJJDuQl58EVJi+JAAvaL+TDDLCS+L rOFy9sIXZxV8MW/fNKuLKF45pnE6qn2vAhdzxADPZ5/Z5WenEuhkTdGdgBzPMTqH zDBL4W0Vnlw06UIafP4YH8M+KzsYeAkkRIHOM0QBlqgt5O7xyVdIZFRDfmScq/kl a6zFsdCfFyhAEFIcXHGfdqWSLSzwZ8qfugxyj/4yGBnxv5HsIobssXZWbc5e/BI= =2gwa -----END PGP SIGNATURE-----