-----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-asp-net-apache-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-asp-net-apache-15.0-stretch-amd64-openstack.qcow2 8ea6926c6bac59ecbc3b15c0e1026b02e35fd9ff98f36f17d9b9e3113589a9e4 turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2 540f1588e56ec616e572499c132bf5634dbb1e1a079824684e2fb71c59595c5eeb4cd43759005992c5043a07dfdaeaecde62eb2958982be7e3b0cfe8e4b508b7 turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2.hash turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2.hash turnkey-asp-net-apache-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+90ACgkQhcJelaFu uU1gGQf7ByMg1yklwzfXMck5dG1ZwBtpLLQEMQIStuhbSkn8xruqhiOV5JqEeTyd HIdGD7YbvBgdYxgU+KKQoFofbcpJx4jhh/4hMLaWieSv+bsFVMps3Ms99Vxqwfp0 jRMi6ClDADCErDE1aSXQ9nm45mPkol16kZXVh6JmDFdxKbpQC+tRWGdvS6ZQR5G2 k/NkZC9Hsn2BrQnv+bBamuRG/GRi4/UQ7nr21zHXV9LvWNSZeEq9oMxgoDEnrHZQ Z2lYPlqFXwMxA5n6SKkXQkNA8nCzUG85lUBP+SoT4JB9kLDFaYKyU2fF2phZ1+mH hoQ8HWVEXZn9W7G5jWRVeoZBPEPbzw== =208y -----END PGP SIGNATURE-----