-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 To ensure the image has not been corrupted in transmit or tampered with, perform the following two steps to cryptographically verify image integrity: 1. Verify the authenticity of this file by checking that it is signed with our GPG release key: $ curl https://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-drupal8-14.2-jessie-amd64.iso.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-drupal8-14.2-jessie-amd64.iso e157ca1aff3a2dc48bbd4fc33a6d883600c102d3a9c757442ff720629c73996a turnkey-drupal8-14.2-jessie-amd64.iso $ sha512sum turnkey-drupal8-14.2-jessie-amd64.iso dc51180fce4917b2148598a8f7daaa9d6eb4bbe4f67088b3f45a4abf45a09dc5f6efbca800778aa2809d69543997b65b1eda3a42f0077edacd13a91cc18ade93 turnkey-drupal8-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-drupal8-14.2-jessie-amd64.iso.hash turnkey-drupal8-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-drupal8-14.2-jessie-amd64.iso.hash turnkey-drupal8-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNjJUIAKXJ4u3gmhUjKVhXLZgmMzi6 TXNQp+z1CxoN7+m3N4cl8ssppcPjM6q3pNJm2lrQItnLRgkYgqJNXtxaJjqmYOG7 K/5vT4aYdhm40BXsqKCCzxtOfFBTSGWeshvvZQCHQq2c8ZSAxHC3MDmBm0jc+j25 2Mq0xEcqddo5Ygkewb5Z1izJZKv01Y0O55uYlX7FpYnCNYxzHMIyLwQD/LqLAb+q Cmd+nz156tKl8Sf09eSUr4bF4xf8F0Qp99iFi7tmXw+oI1vRqoRh75Rqll5oPFJz jFu9V9rHE6H+NSmMwTSSHOrzqSNCuIiK/Ggba10OVEVKwExMSeUjVzZcP2PeLj4= =3k00 -----END PGP SIGNATURE-----