-----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-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-bugzilla-14.0-jessie-amd64-vmdk.zip ad224dd35f18e7c3d2eadf0fbe72549b $ sha1sum turnkey-bugzilla-14.0-jessie-amd64-vmdk.zip f152577a6c09b440338713c0fa954d80e2dd1f4d -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNfcQIAJ7hBVWGg9bj5mtkBgjjDWp2 dBVBHp5gUK05yC3yyxC9nIQUzKjw8NybcUPwSGB+Iv4/c1JuecM1g3cmdg6GmZ9Q Z4ZCXrbuz4YNiOkX72JB5fo8GWSnOScJ/hqQhI51XVEj1qVX9MjdjDReueqmnqP+ GOex1MZB6Un87K6xEN32ouRcnuxTEkaGkwlyaMT50EsrGEdjYsgxKx5gAswPnWSH UYgHcNLkHgzo004wYV605ULjwaEsF1gEkg4lrveIETPKFp3eRT4Aw2Z8eaQbp6uz kP3jRdhBvgGIQgm/K8VC4ZiCHv43U3Qw0DamELNhbSylfggGScxBF9iB1zpAN5s= =sE9D -----END PGP SIGNATURE-----