-----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-phpbb-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-phpbb-15.0-stretch-amd64-xen.tar.bz2 8a9e75f59ca32ea73172294f8b70ee131206879015b2fc6f81adcff091e0bafb turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2 24223fc9d1caeb27195a26a1b6ae36a04585f45e08cc77bb5f9d61b155102dce8111c49f22d00c59ecb43ac3d73cc1c38f5c2639c3c505fcf92d09040e42f5ee turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-phpbb-15.0-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++cACgkQhcJelaFu uU3XfQgAkLaq75KWIKxUaNj5+t5ZQIk+SA3dJmfkHbKLulsw4Ct6ljm5hF/WPDZ8 rq0NNwn+0pXsQXwZ/e8MuWXMVUgs2xicmDtriTKYL6NhTaY2IDPMdasg/hUeM4zn 20mE7oWvk8Hfyx8IHwoftlY7A9PJLYmKzUvK1/2Su6XK4S36KQu2hXEnVpXda2Kz 3EL5SSr0UyAzcuYsqZeRde2nv4cHOycF6XL1+0zDPsUszjEMUn8pmZn6rVSqLPcN NHN3gbVFkFkXxg5CQKt2kUNVoXmQzo4fope6cXrZf3xWNyfQo1CDJTfp4ikMxpYD 84jfOZ/xl0cfFs3Hqvq1+xJTjIJHAQ== =yWTK -----END PGP SIGNATURE-----