-----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-drupal8-14.0-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-drupal8-14.0-jessie-amd64.ova 528c632b0aef38fd558dae6cbc880394 $ sha1sum turnkey-drupal8-14.0-jessie-amd64.ova bcbf32cc6ac0ddb8e762708ce1b228cb3d196bb2 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJWMJdVAAoJEIXCXpWhbrlNYMEIAIY56f5ermrFV0I57/jJpZee rJ/VEFipNR7bbkhP5ryYrDuWLHUca0Allr+O90RNBiqyUqlUH3394NfmuoqAxoYJ gG8GZ57TbUom8Ab59dTQgcM6OakJcPqjIrM1i3r4cAUcXLLoOj+ytgYuRASz4PBv hpviC+lXINl8Z2McUbAFn8B6d7aH/eR61vsCHU6zOawvJVlESyYoXMDxTtfS5IO4 l2ZlDxNK2LgNd2XULsqWslKe55/Udgxx30R1vL6B962b7eiHyDWVfg23wTl7WGKB U7DHnImaZ99B8kPolHGdhAohbgLeXJucsBUWYM5gd+jpYCZe2M2nyXreikBb5fY= =MvIW -----END PGP SIGNATURE-----