-----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-15.1-stretch-amd64.ova.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-15.1-stretch-amd64.ova d17330807604e7ffeaefe27a83b833b3cbaaf8bc49aa34b44640f0e6d4bed4b3 turnkey-mediaserver-15.1-stretch-amd64.ova $ sha512sum turnkey-mediaserver-15.1-stretch-amd64.ova 460a98d1dc734f9d6f1ae6de5a48d241ea9514f5b503e2b91a4badbb9f5d17ab4ac9fedd7699c1f527b38ecd6ae7380532475540c22ba33b4e1e52c9477b2a5b turnkey-mediaserver-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mediaserver-15.1-stretch-amd64.ova.hash turnkey-mediaserver-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-mediaserver-15.1-stretch-amd64.ova.hash turnkey-mediaserver-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PwACgkQhcJelaFu uU1B2Qf/dQz9cMXa3b3N7bLvGsBUs1ta+hDLrEvU/svMDnklwc+I4pOhP9GSsExH 5wDsoExBOfNkYLgQMnsr+879J+OLF2LY+faWnsDK7GD9sjdqzoDUR/V8Za6RkThv WnUjobvEjBD0GEKqH8sIWJgErAGZ4YG1UQg4L1FR5iq4G27xhSTSjJa3zKqhdMUm CrbtaFvqVqsfAtIKMo7cyobXMatP6Bg+YoAFrIfxQMhoGFoUU3035v54ipummPQK GnYLf/F/3TnO/lxGDkop4E8TXzzMxDHC+QMGBA0NRitFEnlT57QoHsUvlSUGu3zv /ena04WQ8iXwk5FMDgCwsok4S6xpAA== =Qe8q -----END PGP SIGNATURE-----