-----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-zurmo_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-zurmo_15.0-1_amd64.tar.gz 376067a916ccec1e60cd3dfb3136bf95a73ecead37c0e9734f19d214c39fbbcd debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz 0dca89f192d6311498f9fe8b36aa8d376da219c8ba1dd0b9b4bc99f557655d92365ef428599855125a0bbe2ea2caea0de7bcb8956b237853cc9ccb3c14efa6fa debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz.hash debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz.hash debian-9-turnkey-zurmo_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+90ACgkQhcJelaFu uU3nnQf/QFZUdnLc05E5NQSzpDa8VqvVMBm0IU7GqZb9olGI8XlXKPohpIPI+OE9 R9YL/AXDhRzHqjee0wUKlyc8hfkJVRpKe4181a6Hku+WhCFDn7xVL2DKm9ur0m8+ SlWNk9/KoHxmiL6EN5TFCRGTbOfJJPwcfQlYALT4/UclZHymdpKRbwQZONU+NLCH dbZ7Rht90exHZJocompyqygX9bUvHIQmb1SlcJKcyylGszz+lgjVDIHz23XgSLxJ ja8XRjGl7Vdv4xQqmFNxrkiqf4Y6CfX9ExUryVdi1ZUh/7i+dmJFRSjD/6DpLIgV Bu+iIVgP3dNNkCM01jwRoTjVif+YSA== =z926 -----END PGP SIGNATURE-----