-----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-mantis-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-mantis-14.0-jessie-amd64.ova b11eb772a9443b5819d6cebd62ff3860 $ sha1sum turnkey-mantis-14.0-jessie-amd64.ova 5115c8728d4da57609a570bb909bf7f5dc4f3aa9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdXAAoJEIXCXpWhbrlN8YoH/3AZ0U3V5rMbm6iT0V8vpjIx WleaeOUWOKHZd3AwCdWsvMyLSDbxUPMXIcraYxeJ5EWXZK3OQtBUBmJB+GYnCEdP HR3YW9pmiJpCmB6TBu5tg/wMSSqQeb23k+zagDw5pzVa602RXxD3tFkCamDcg9oU eK9OYzqS5wv6MxlL4vp+aqO8vRgfJ8ViH02AmuvBZaVaSf903tZbZOwkzwJ617Fq gOGQhA4BzeQP7X/JugE3WedEoW2UESet/giuTbJgnhXkY6ONskBkq3i73LoqB/z6 VGXR3ysBFyjnl27pukPxLPGhFJSgitYw0zY2jIMaw7HeeHy9l1p93IcbrIgQ3TA= =nZGF -----END PGP SIGNATURE-----