-----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-drupal8-15.3-stretch-amd64-xen.tar.bz2.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-drupal8-15.3-stretch-amd64-xen.tar.bz2 896637deb8cde12b2e0e5d194ab792d758761ce27d549d15568acfb6081b9622 turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2 37183ac1b62d3a18bc097dcc5b923a9b023c0ad0489db2080d513d2e89d6b59381b427056c152a3ce863cbe88ecb3511b06dacc83acbb9358987dd8a923b2ebd turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2.hash turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2.hash turnkey-drupal8-15.3-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phwACgkQhcJelaFu uU2GBAf/XhJuUYZIgM34D6SoeeGXE50jLL223oYqicf9Xt2lFx9fywrzeR+DqiUE TDwqTqmZApQDBt5g0mm83PyYHFaUbTOaeQALbuDzZ74L6xfsXGJnct+W2h2Tm1HM OfpNTzCQD5UntrBh+WOovYozoJNFYUROuUUC0fIsYcMIL/MUXpdbgrh8hZS9sxNF fTt6rUDZLHnqmoZtF7CmPI2Q5glcpVa+cpfKWPE1nNM4l2uUhdDKQEZYTn0dlCuQ FRVLmGYBJcNSfFOrJYESQQRJH51s8bMHCDmFJQAyYOD8bt1Z2S0qsHmQGUaOHIk1 Drsr2Ky6tXdKc1Pvt9Mcjo5pTvmSxw== =RYdg -----END PGP SIGNATURE-----