-----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-bugzilla-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-bugzilla-14.0-jessie-amd64.ova 2ae91b9de956848cff812f322ba16041 $ sha1sum turnkey-bugzilla-14.0-jessie-amd64.ova 035b11346e2d5c5ba376277db2df0ceddb9a6494 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNdtAH/jBzb12+JHkzXcuHqGGqvv/A QJra0JKaknDPTIkVihXS4/jauPQaBvNx12wLKDpr8Ix2afGzvsS3wbhQOp68D+Vs XirEshHz3sMff8o/e6D1QKWuYDAPuG8uhSRfX8xX0IDnUY+hfn/SPuvtlwK4E6mT rDaA/uy5vMl/+n4RrqUg1268EcaZygpcT/Esrhr81jJH3Tbwmfy3gIFPyXL1nlNH Yg9lM+8l0c4bgbv1AnJkF/pjnY4D/IscP+vZmGi04Vt5Xinavt0Um8rHjxJYFXXm w/DSqlNgVwD+5GEbeb80U0DK/b6cqPNSjHGm/0EmVGTeZzLNkogKS52FTSOuNdQ= =JqOY -----END PGP SIGNATURE-----