-----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-ezplatform-15.2-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-ezplatform-15.2-stretch-amd64.iso 6787f06422b30ae78c1d48d1ad3a59ed9aec406211d713da6d794a3015013762 turnkey-ezplatform-15.2-stretch-amd64.iso $ sha512sum turnkey-ezplatform-15.2-stretch-amd64.iso 7f11178d716a0df629e6c1b93d36a423d24603482ec4b97b130ffee853ab7ca653116d22f365f48f38b3fb184b0ec55caa70b12794da079cdb9e295d26e7e8ef turnkey-ezplatform-15.2-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-ezplatform-15.2-stretch-amd64.iso.hash turnkey-ezplatform-15.2-stretch-amd64.iso: OK $ sha512sum -c turnkey-ezplatform-15.2-stretch-amd64.iso.hash turnkey-ezplatform-15.2-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PoACgkQhcJelaFu uU1jNAf+IxDR5Bh14KQ8e7OcaZibkaSPYKNUvVjfqWWDI+r99lbT6zZnp44+47Qv b9A+faCiHKqztcS9TEpYpDnW6DmxPUrZXxLn8cgvP+QCBEh/2zhywJTq8BkcrcVW bH0znTP6ve9hcsuW5RVLMCAPNRfxOGkQk7GEQ5Mt2wVZInwflWnwNNLXDV2YZgSp g2JpLqwSGa3xa5Xzh2e2MtndsUcNdYB5sg2r8mSxRBghTZtPZ7vk5Pv5bS8QxBEc S46s4EDsv0lrjm7cW4xhynev5qtaV+R/gifzaq8RGJ7lXQrzVtqJRPTEnkJQ+1tt Lp6m6ydu7YPDk3KFFUekgccF8hgY0w== =jTI+ -----END PGP SIGNATURE-----