-----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 debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz.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 debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz d588fc05568e0f4d2600bebbd8cac95a8bc602300c486e542e70b127b20bb613 debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz 47c1f6164d7c98e737eebbfda1418570400bf7d945e8fdc4655b68a59424177e5bb32f6702a17cddf6886a248736eab3975e2776e34d37667a8b0efdc7d39f1a debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz.hash debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz.hash debian-9-turnkey-drupal8_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte11gACgkQhcJelaFu uU3AmggAs516HKyNkNJ53dBsC5YfYqTKAIJwEpMj2fQtBhFM4GJ2lYoOLv9AL+aF orRr1GhkVboKb6MTZilLnOEGRYvx6mW5nVnxJ7HpuRhn+o/IDR66/gx6tuLhrZwz a08eoe9i3WLoRgV+v3LxxGA6DDXyTltweMwpZv5iVCDlaa4/CVPEQ9vk9rcCOe/u 4qjhfkgo8EeDu9I+SXfEHxTF2xkSZfPwGAefZOg9592Za580VpAGUuhbdjSDlMAr tZoaEmBUaRRllVRvilIxss5f77t+pNb1I92ekiWvyOrDIe1UEDCD6UZ79rqiGcr8 GcWZrS8Se0CYuTkjxqFYkrzXnvCz5Q== =4zYI -----END PGP SIGNATURE-----