-----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-lamp_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-lamp_15.0-1_amd64.tar.gz 817a27927a2cafed60394dd0ca98e91c4cf259c7cc781b91f13dbdec2061937e debian-9-turnkey-lamp_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-lamp_15.0-1_amd64.tar.gz fc81e0aeceddc1d04eba1857c1f7f441014ba6ffb1ede8046279ea12d4785fb6f9cc86740ab604fbceef62fdde4a04586da357310da4612a0316abbd96ef693e debian-9-turnkey-lamp_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-lamp_15.0-1_amd64.tar.gz.hash debian-9-turnkey-lamp_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-lamp_15.0-1_amd64.tar.gz.hash debian-9-turnkey-lamp_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9YACgkQhcJelaFu uU3yPQgAksEbHGGlycaptmLX+lt5T0UQjEGXv7t0DncuLdXGfa3GxZ2AOLTYInbw rncH++m8CVJ3JN+VbUm9d9MiD1xyLXUIYYqBUzGO7tMfIYbAqV36wbOvKVpcfpzG sErAHA99Ke1p5Mijy4cOiHh9U65+Z1wm6qKa6PdVzYLlzaKy9oo4xdgnZ4m4DLNN WdGvqWCGezXxj7lou1IT7dwXHXtX5m/7X99Dl0bkUcCh5yPBZz3Mo3j1hyqSMMtW A9EpmKWo6W3DS9w0plbTe7+gxNUsqzw/TjZLlzuZmxcZNPF0j6pQwUy43n2dGdT9 X2qhwTSbPCNnGQHk3AuVBFoDHHLwmA== =iH86 -----END PGP SIGNATURE-----