-----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-magento-15.4-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-magento-15.4-stretch-amd64.iso f9ab3e294212fb3f5e87003b53ab597ab8fb2c30a634b6e013fead573abc9ce3 turnkey-magento-15.4-stretch-amd64.iso $ sha512sum turnkey-magento-15.4-stretch-amd64.iso e2b1a2a5c206140003068de25ee67e56400cc1943c987e5a70a565b3d86ed1ef9fa5c736429ad7ed945f1ca8ad654888d75454ef1dd5102e6d71e6085cb22a4a turnkey-magento-15.4-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-magento-15.4-stretch-amd64.iso.hash turnkey-magento-15.4-stretch-amd64.iso: OK $ sha512sum -c turnkey-magento-15.4-stretch-amd64.iso.hash turnkey-magento-15.4-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0THAEACgkQhcJelaFu uU3BjwgAjM7j7hNPYiUQq23/7sFeg6vC4z64+YPxSipJ3Mned4J49TLfVH5T3PA6 2wQQJJSm+aReF0qCGsT73svN///LXMnQhywBsfNinBEFyh2RSePr1heREajaHBWc Q7yqgKuCmWP079A5rp2n9RtzJwjNPvlok91oT+G+nWbixac5ZAEWayl8veeDB/QL SydzkT86Ga6MIijqeCJWfmWnEXcPNLGnLdkVNQ1MeYkZSeLWGfXmUlogzeTQDzlf 4/RKFo6NgdoMLycIW3yAOGYPQq8qeBuG+eLyjp6TL+J4GjpocUXVVydqd6Bjwtgm Bxios+uEMunCLXj5Bzg2uoYXdswiuQ== =WQNL -----END PGP SIGNATURE-----