-----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-twiki-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-twiki-14.1-jessie-amd64.ova 8251b3ec0fc1b54352f07960a9e5e094 $ sha1sum turnkey-twiki-14.1-jessie-amd64.ova a2e450afbc33a24399b22e81d7760d305934bf75 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJXDJn7AAoJEIXCXpWhbrlNldEH/3hN1p+bjGgjUS4OR1qRMTgZ bi7koDtrEp4hk22Y8ZMHZDjbyjflWS15Kqmscro9DqmprZAx5GCdQAKMv/OpCQNc atvxJ3VOBASiNwskiEZ8sGtK2FXgeUQGQi9JDltp42AjGnLwjSfWAIRPkh5dBxSh eJ1xbeVslpVZUlmKK/EcrZi/ZFf7AnrwG4pjwLyYiIQtdU3e3BCGM0EXJaoX8adp OPR4v7sLHajj6gdlKDbaDtq7r3EeKgityc2zCTAM6y2JcGyC3URl99+dO2whoWku 01Fo3hxh2YUkZ+zdy9BrMdvnpaKLze289qCi96CP0vvdwKEPKO2hqI5/uixQfDA= =NP/i -----END PGP SIGNATURE-----