-----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-joomla3-15.1-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-joomla3-15.1-stretch-amd64-openstack.qcow2 3f0048998ed282ea8c0d07f4c1eae10e89ce02006f40463ce57952f77b1897d8 turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2 3b7b744eeb982c2fd2f97f067d635a089c089bc70bee5cb2aa5882f6866947228565316b93208c05fdd84218337151f76312ccb7b17815b12989e5f9080076ce turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2.hash turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2.hash turnkey-joomla3-15.1-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPUACgkQhcJelaFu uU33KAgAns+fd4kXeW4MmLGwyAfPxuA6iCcScts7w7/SKkEYXWwTFXkQYv3/qL+q IoSEtspcTuKbUFYKNzxrXhWgF/j4GIDjDShkIzEQPdXw9X3jPaocA71k4Q9r63H6 NI2xvij34qZmgURyQRhObL4JWdTR+1ZjmESHPWvVnYzsHpmrhsu2MJVpeVe8F8Kp p/SmQnOpCQcsTf3oX6KlEqiX9NwO8jknUm+n7Ua8Avnw3MCGAm+UCUSbk3Jf202i GcmxFtuaGpckoeux2PdiakvL2CCzVDXggBTuLz0cgs8656rvGNvYy/g//iYF2ir5 eHqe0X7DCq7hu6bcqtBuswwah1DrPQ== =wsmN -----END PGP SIGNATURE-----