-----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-15.1-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-ezplatform-15.1-stretch-amd64.iso 136d80e9f3779b01ff6fed70c578cd511146764c7f8dd924d604f2edd188621f turnkey-ezplatform-15.1-stretch-amd64.iso $ sha512sum turnkey-ezplatform-15.1-stretch-amd64.iso a7b60333dcb7717d3062173cc6b5b24ef0bf45b3c9ba5ede9fbe0c536c1eac6ef10869db8ae07655272f9f45247c42e1562ec080fc37d2a711ff04844da32fb0 turnkey-ezplatform-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-ezplatform-15.1-stretch-amd64.iso.hash turnkey-ezplatform-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-ezplatform-15.1-stretch-amd64.iso.hash turnkey-ezplatform-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/ph0ACgkQhcJelaFu uU1bGggAkMjS7uXyHvrenU/yWmL8Gnk63rmPPJo0imytkfXaWPyY0brjJfkaQWNO o4nVDH2jqKvqzGRATJA6p2XodBGyb48dmpU2a2sH6rh9Q8Lf9jZ0YZE0bqkeGFzQ 6dS0/TsqKi+8uU4ZrBqojvKes6g0wy0netecbYLQ2or2hKR+laWYRl+68zJ8Q46o pbsnORImJQ1Gx/j3AongyV1Gh2zlKQ3k1jgcEwDYOobM13gt9+N10Cy+5tjSxTwY wcD0YALczhe8BNkgEL5xSJYh9wDTGmScrSXiS1VT25nytQQKp3p3nsMkeo9p6B9J E+t10nW8W4Fuql17e6LwDR2TNpXd8w== =zsW9 -----END PGP SIGNATURE-----