-----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 debian-8-turnkey-bugzilla_14.0-1_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 debian-8-turnkey-bugzilla_14.0-1_amd64.ova 1f3c45fa4cd177eb2b7e052a0aa5af00 $ sha1sum debian-8-turnkey-bugzilla_14.0-1_amd64.ova 33c3b95d4e942c6135e0031bc0cc5e59850b4cd9 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWObxRAAoJEIXCXpWhbrlNbgIIALQNDmkN0TFmfpSGVRrrYIxz M0Khnvc2M8uvrrmXwWeoobiqkzIwZ9aiLtkcgK5kUbeIK8vjrayo8HmmDFpMl8af mOA1lZNXMuRrE4739FFWLr7d6PbeNdjtz5PLUJa23c3YnQIPRuMehdA0toRVmrjL YIlHzHR35piYbwIHbhgE+ZXaGa80m4d05aS4WSBX32MGug09YBUNtBWbdyndGJi2 oyiod1ynGBY+lCTFYqxrbGj3HVKhWnY6Fs/ex3h/eb7Dn15PT3Ukx269Q1hRa/BQ JCFu1mblY5Z1zqtE9w3kWNsN7rwmb7OT/RoVg/V9lc+J5hmEy+87VYpvi1pKERQ= =dHnj -----END PGP SIGNATURE-----