-----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-gallery-15.1-stretch-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-gallery-15.1-stretch-amd64.iso 5104c2a4ff764b2a62ed10dbad6a36d0b16e94e74dd780dfeb3d53a8d53f87a2 turnkey-gallery-15.1-stretch-amd64.iso $ sha512sum turnkey-gallery-15.1-stretch-amd64.iso ba32306c8e4fd188dcbf10ee239d2262b89b14927c5c2e4dd431da930eba56a90ad6048ab25c1adf535dbc56b60bbd16e230a6a72378756d56c9c87f6c6d5602 turnkey-gallery-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-gallery-15.1-stretch-amd64.iso.hash turnkey-gallery-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-gallery-15.1-stretch-amd64.iso.hash turnkey-gallery-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/ph8ACgkQhcJelaFu uU0izQf9Fgl5raVkuC7MopMxoEzaiDvbjQ7lpOnWfQqxgBQ8KT+OfZIwd/7xvA3e sy5HU1N1bvvRiaJehotzKA80xt5tJXrnoB/dJlke2eUYmXDQdzazR+2I+xzHcXjt tU4FuZ8gWJoPF/f66XwZTY9nyn3sfJVFpFcHKmjDCoLbMJsQtWSSOP9mDrqLiVOR D+G/8vGE3S8cp8C1PKL7wuC2CaXSO1wGp/sbViowU5t/CSulQg0OFOnp/NTmLnVH G24pmGo1/lbK6OJiSYa4f4AZ2LlJ1aT9OUWubB8eVlNLwu7BGmfriNAjDShNKd+2 JIOsgYPPPYspWyCJ20P/c5DMzShEHw== =u1iT -----END PGP SIGNATURE-----