-----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-web2py-14.2-jessie-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-web2py-14.2-jessie-amd64.iso 09b410db3b64191db9553e111a802941a6655217baf9202819a326e24335f0ab turnkey-web2py-14.2-jessie-amd64.iso $ sha512sum turnkey-web2py-14.2-jessie-amd64.iso aa99568a74ec1068c22d102ea7556287b196d0886ea005b38546eceb00173e5b9426a979bd33fc965506ff10d63fe2d2f70a3b50e8e00c94b52474665fb99efc turnkey-web2py-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-web2py-14.2-jessie-amd64.iso.hash turnkey-web2py-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-web2py-14.2-jessie-amd64.iso.hash turnkey-web2py-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNaO8IAJRLV7cscpI6A7GU97X7bKaP 5WfgDI/CKCj8HuLMFXHM3TJx3ei07jsB2FqBGWG/G+/q+wCWgMUJjGQIyK+VvkXA 7tLa8QJHffgyWq/YTGOUroE+qNv9UmhB+MwU3EtmbEllavIPerzHDndCBXBgPujk tbROVihCzgH+POBYK9W4G9inTZnnfRcTHV1bdSrdz8Ria+z/fqRKcEViXyrsCu+H sSip1eZzjW79eKGL/e/Vc2zvOO/p8ZdpLG4QLDYhqip+LWxn1Q5Cf0YZJWQn3ZU+ SP78tTKQc1AYggLIsXsSWfEM+VLhPbrFV9DAk3bnTrRGjVq9xp6hjVkiCP7UDNc= =NZbS -----END PGP SIGNATURE-----