-----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-joomla3-15.4-stretch-amd64-openstack.qcow2.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-joomla3-15.4-stretch-amd64-openstack.qcow2 f39b0727fe1b953292cca523526354cd7a1513417174ef8016bfe3cf5d448d97 turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2 b1c80ddadbd3945efc42effaa67527dff84e88197f47ccc536fe8627893725f21a71cd9bf7bca97714cdea72250d6ec9372474b6c24a3e861442fe7b298a3ae3 turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2.hash turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2.hash turnkey-joomla3-15.4-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PsACgkQhcJelaFu uU25cwf/e5cre620bK/3ZwnCpoFpnRykWgcofencQZajHc7dAMoh7oJzr6hMDv4P d1KyxZ9GklbfU6XUVbIa32NfbHBNL7Pe0PpamYx/yAW7Ks6z/6bMRG7MsW6LqF5s GvBiA+5zuKUL6qcxr1upLzIBLD1fLN/T34YhflR8UurMlplqpeG4P6pg5NoaK1mg jgJO6Usg7my1bCccZpPCdrtxLJ2gaa3GDBPineMpjmD6lj6GkqNbN6/Hfvch8d34 8KyCBHmrh8M9nOI2fjpPn16O05QqkVLLgWzUHlebNIlTrDcPB9TTDHw9gZtpHWLb ynShFjwJtcrVzGMBvm1B11DBmKdruQ== =0OvW -----END PGP SIGNATURE-----