-----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-15.1-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-phpbb-15.1-stretch-amd64.ova d73521bc8b9d2ad791a17a1111ed26773484c7a22567cf27b75514714cd747e3 turnkey-phpbb-15.1-stretch-amd64.ova $ sha512sum turnkey-phpbb-15.1-stretch-amd64.ova 90a2d54672ad71a30c65e0ec260e39eaf04cb04238da4a83900cb5ab8099117a52d6636e0b14b172a410025b3dc76cca98e85065b33e8e56d9605ea393352782 turnkey-phpbb-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phpbb-15.1-stretch-amd64.ova.hash turnkey-phpbb-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-phpbb-15.1-stretch-amd64.ova.hash turnkey-phpbb-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjEACgkQhcJelaFu uU34tAgApTM8kq7tvmOqS9L2N4F5126PFecMapoxe2v4ym0l3D/AeNxKna3rYtvr JhHqkbUwuWPBT9DIKtyJxrt0gLC4tJYqoVKFHf7ZEhU4qXQC8p0CzI582AT7Eai4 io68BwMXG1JJEFIBW8KCPyzyz9RNW8gc3VGJg1FwVzQUANxJ1Om4Mudsv3fb/8KF NVX2hNHrNz1eGqV+A9Mf5TOdGvn2nEQ8ARkuMDZf4Iv2YbnDClM+EJ3ue3g3bk9q nYAWF9Fc7wORMqDhoaBq/zuyytZj07/bB7T42qpg30LhXXUqZ/f5pDzojR77Glhg nVYOhVbFaTcsaW+GhciJbBRGg+8ABg== =E1IA -----END PGP SIGNATURE-----