-----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-redmine-15.0-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-redmine-15.0-stretch-amd64-openstack.qcow2 393c94b84ebf4996c255aca04461ba09dc519bb15bd54a5312bbb722953e47ec turnkey-redmine-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-redmine-15.0-stretch-amd64-openstack.qcow2 b554512a7bde41e8470953278c36cb1db7180212892d70a4b7580243190fecf98cabb93070ce00e108aa125c44eefe3a4a4da7ba77c364c5e864b528d2f8a850 turnkey-redmine-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-redmine-15.0-stretch-amd64-openstack.qcow2.hash turnkey-redmine-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-redmine-15.0-stretch-amd64-openstack.qcow2.hash turnkey-redmine-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte128ACgkQhcJelaFu uU1O1wf/b+E1d0wMKCTa0QoiLUNEaaouifhZfxbM/FhUouJNPzbb9FZj0DBUSS1X U8+W6PrUnBrul7S15bCSe2fW8w2zo5DA/HGV1g2Old1gCGM7bd7T0du5RcXdQ5yl Kt/Y6ELgArBkYNzxJE8/V/qAWwLxiqL6k4SRVZplSCMZoh61EWghORfpn8ftwK13 lhW+AW3MhQYfvR0Y9oEW9ib1uE9A5/BgSZ9nKnK22WbbUPFnsX1KSCvvbDOCYskL HzAtDU4o2Ektbe4ftjfQnj6NIaOpSatFjhRa6R9jH1qtIdC61mJczc3HJCQE+lW9 HA5lu1LGOI2kavivst53gqcnM7oMjQ== =k6/X -----END PGP SIGNATURE-----