-----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-observium-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-observium-15.1-stretch-amd64-openstack.qcow2 2f30d7ae81a4754ec78e554b1dec4e0b1fa0ccecbf2cf5f2a2a36011959817f1 turnkey-observium-15.1-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-observium-15.1-stretch-amd64-openstack.qcow2 fb4dd9917c027a9ac2d66efc422569f265fd938ca707d6e1bc6b3e0dcb54cc560d66efaf0129cdf8442a0c4618012240420eeac9317023a0bd6c796c6c0b99b8 turnkey-observium-15.1-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-observium-15.1-stretch-amd64-openstack.qcow2.hash turnkey-observium-15.1-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-observium-15.1-stretch-amd64-openstack.qcow2.hash turnkey-observium-15.1-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl1GhV0ACgkQhcJelaFu uU3kzwgA0V1VISk0QLWJMH0AKeKTic5mQ487X1CJMj8IdW5IGvmXc+2i4Cqu5HWo vMsrHR6mCO6JMh/XXaFnCZcBUf/PoodmCLWviTol/4wisofEKkcAhzp5d41Jfglw QOhtrlwmRiO8IHr1pwtIJVWaUPtMyIgAV+PdWTBTIBKDUUOKpszmzs9pHUKHjCFH KnefObYv/mb5YGooDOUNYFrD9l3hppK/HTYXu4HDVUQxn+xN2HLfBLE/0Yg63kDo +5YbWutaN4SzSyncO/Yrfh7yukGu4dA6iT2JIboC/7ljZ/fXMiT1yp3YCCp/4cmt n1IzAjn4ipK3kiNnrOeLulgk8/oMyQ== =0SMf -----END PGP SIGNATURE-----