-----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-mediaserver-15.0-stretch-amd64-xen.tar.bz2.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-mediaserver-15.0-stretch-amd64-xen.tar.bz2 978a064fbf8c7e40ae11fdfc9d830ce2cbde9753ed2e4d7c93e029a5f29d0b26 turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2 7151a4037e7b59d7b3e8d73dd4e9c1b0d82955c5a75eb4a0fe0ba5f868f09e491f46abeb060b11e519090ade22d2760bc253b2b5805a6ab36f490d05bba7b81d turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-mediaserver-15.0-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPgACgkQhcJelaFu uU3HJAgAwA9HUwyJDNWChtlDhEjw5B4WbbCUnQh1qeY7CtPT0MsDt8rMpVBaA7TQ xA2il52zDNOBGR603ft66fj6CUoJtC1aHTj0SNCWYT2gNed/n9zgBVAXSRx7x5tW cKSRBcU7IJuD0Uk6o8eM6MSnNaOb19ZhPo9+pxHXcwvNYF9xvvSmKdmhKCDe1bWK +JC7cpdCPp3htJLsW7zF3+vuwv8HGB0m6Ja75deqwySo4Y1DFuwHrKhWH1hSWRbz vPcCe8lpCLf4UzG2ZK/5Ol0CfYoDp4mgSGzOBv7akL+nN5aur3Fq4Z+U9mLN0pG+ Ia4QoNkKYJF+rZs4vOaDb8GbsFnCpA== =8tm7 -----END PGP SIGNATURE-----