-----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-tracks-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-tracks-15.1-stretch-amd64-openstack.qcow2 0b22d9d6802025d21eddd51228631cc6d03040729af10e0bce0c0e44b4452747 turnkey-tracks-15.1-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-tracks-15.1-stretch-amd64-openstack.qcow2 971629192569c6078186c6c3e0beee7c3292519beac1f66dbff2fec9fd303b70353ee996fc485840736e8db23f13bbf3cb1ac8886debb7284219866a687e544c turnkey-tracks-15.1-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tracks-15.1-stretch-amd64-openstack.qcow2.hash turnkey-tracks-15.1-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-tracks-15.1-stretch-amd64-openstack.qcow2.hash turnkey-tracks-15.1-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl1GhWIACgkQhcJelaFu uU0CvQgApTB1eUzk7CaCnrv3ll7XiAWnqk+Un6BcT/xXJ8wlHamE375u1MGlVc04 q4a+ZO8Ps/SDUr78qbzLZsMrlxgO+j1utFWnjIg+5MGtsFbvDNTUJHQ4eg9fCoSG yFOL5K7qxTWO54VjI0QWaugirR2gAU1Xmg2FmQ+VjNAmuvwN079Io5OMprGCvyIO myMAlEDgVGNcT9I150TP51FcyD1GGFJ7qOB4cRBRE05rW5ZDplD8AjPMCSUvh+3U 89YdHKaDEd35qr4XSV365GT2XOb614I50KcpWQQ6OxiCzxe1l8jHsWYRKC8aDXHl f5jb+hvdcoeCyVcLQu7PArA89uKi+A== =4j6n -----END PGP SIGNATURE-----