-----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-openldap-14.1-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-openldap-14.1-jessie-amd64.ova cc2ddeeafed31e67b83ab9f447abf205 $ sha1sum turnkey-openldap-14.1-jessie-amd64.ova 421e4030b5a2534c90fc84dcd8893343312062d5 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn3AAoJEIXCXpWhbrlN30EH/3xVG8GLqyrii+IS9kYk9r+n /zCsvP7R+m7WdK5l7GsnaIQ8KScjMqCUjVhV199GJhmrokiuknfxnmbTM03U/ZSy 7ujvAB2YENrMOZEcu34QT5e0AophuTQL8Yb4oaETGQyujQoDRHZY4fbwOxP3jHvs eJaDmDPj1ywjGs0dkadonIVDrmoeklxnzF6RPg4TChg+fqi4Aue8JRmiwim1ygqy 0N+M1f22JRJ56D1+t/KR4Gu+z6PoVMf9etJMHQHr/gC2ogtSVoqHUcbqEmMOV/9n mb6YC2+70VKbRfvjqOKPi9SM99BRlaiBkUbDqweIYn1KFVdSq1JsSdZXEM8Vkuc= =I3zT -----END PGP SIGNATURE-----