-----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_15.6-1_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_15.6-1_amd64.tar.gz 19740f24368d99070280daccfa548d3b75eef7586b658b33d68a9c3c59880abc debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz $ sha512sum debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz 560786280d337b1172129e39291115be9483ec1f2cf5bfc363142748ddc0b62ecd72bfc0de3860eba5b5b18fcd7c8a034739f0f6922a74e0741e94715c72ae67 debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz.hash debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz.hash debian-9-turnkey-drupal8_15.6-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEIACgkQhcJelaFu uU34DQf9GbIFAxe63PbAIsqgsa6XEDu8JtrrCFuoBP+FcON/vOtnhke7L89FCBVG TZNziEUf4wWuhQTOZwx9nzBq4OV3sorTPFOzLDR+gT1uTDXH+UKh9SB3uzsm3V1K 29zt3VQ7h4EYfdXR45KkZrM+4b0z7CYRkd/zsSsVabKx9G0cEXLFgQzBEhhEInOs F0PThWFtt4DHPJe8BmNZURzahRa9P4BBOW7DPAeW48gRZI+ZD8ZaEA2LX5+kn1FZ g0yQuoVRr/GaOxML/mON4sWCVcAeW20GG1b1QZcR4/jtdhUqkpZJT2IjUIrwQGg+ 0fac3m6s8eTng7yH+QHKD0L/3XDJLA== =Rss6 -----END PGP SIGNATURE-----