-----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-mibew_15.2-1_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-mibew_15.2-1_amd64.tar.gz cee65e71a051872646144fa1f3c7a3211ee13eea71b3e5c7a6c4f2c969aeff76 debian-9-turnkey-mibew_15.2-1_amd64.tar.gz $ sha512sum debian-9-turnkey-mibew_15.2-1_amd64.tar.gz 1a10675491daffe228df820df36723e1d54c1e8fb1e492a8735015277154d3a1afe5ac3aafa45587c1ec42e1fbeb973148efaba4ea210768c39ecb308276aa9b debian-9-turnkey-mibew_15.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-mibew_15.2-1_amd64.tar.gz.hash debian-9-turnkey-mibew_15.2-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-mibew_15.2-1_amd64.tar.gz.hash debian-9-turnkey-mibew_15.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEyBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0TG/wACgkQhcJelaFu uU3fswf3a6JlgAmBnKEMuRhJ6IY1PP06XfxVeLJFP5TI/e7NAnDbQaSTsvLBHicH uPWFh2mixE/MZ02U2jdYsEKoyqA6LJroim8kz9T7K8DI4Vo2pX7cltmxIMRYSvU5 QDOs6nFfBUzg81AbD7x/THscKQmmwpdOwSlGcmO8+/f1/8I+jEZ5y85faG3syxyn 63KuEOXst2noItc7WLi7ehnFwYMXSZ+b9n50JRuPmA2V+T8IV0kqh57V+SxnUOlv j/tv4mZAZOjo8IZGvkrcASnnr7ktGbZpQTjX3JQ3ERBPFphSBo/TcJKuJMi6KWTV fHzz0S1K3beU2hIdfGdP6pmr0awt =FgKO -----END PGP SIGNATURE-----