-----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-15.0-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-observium-15.0-stretch-amd64-openstack.qcow2 311412f334e7ef25b32b434e5bd8e26999dfc2279d0ff1ae863701a5365cbab2 turnkey-observium-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-observium-15.0-stretch-amd64-openstack.qcow2 bd4e7f445bbb411643e91b08ddb16da11fe3b5b3ef5f906ec0651d24e744124d527709e6bd3015efa51b9c1c10dc584ff58966a0e1367663028c6c90da6526a1 turnkey-observium-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-observium-15.0-stretch-amd64-openstack.qcow2.hash turnkey-observium-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-observium-15.0-stretch-amd64-openstack.qcow2.hash turnkey-observium-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12sACgkQhcJelaFu uU1qjggApp8e4r2N6Omc5brPFDUjRYUadsNG1Hu6lfGlcjFc0IaVK1kNkYZsVTDN 4WRDSs5YSCx4iTMaSba/Dl3arOhhsBpCh3RO78Pcu/eI/rkc1kWkgxzpFsBzYRjV 85cJM4NetS02H6uKh3aHf7D4JA3tXGAtxbshmkeayP2JI9SN/LgKuSZPcRbM8NcU BhIG0BASdySALFmk2x7Yypwo+rCkrMjaVCZQhzyf/HXPoEImwdd1S3Bmr6LuJWSH AKuWY9fWWLp9asBlMZHmLSt8JNJ3HLs3wxTp688S7Je/7HJK4sKo/W2YE+awftiK vgUZI1lT9dJrfZpUR97CgnPzoWFEsA== =6ReQ -----END PGP SIGNATURE-----