-----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-silverstripe-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-silverstripe-15.1-stretch-amd64-openstack.qcow2 694324279720df114aeb97551a6e6fa55e0695c9f8d0d45d74dd4afd9bf1a813 turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2 c8ff65f589fb7a6136f10c59ab34ef4e7a15ea44e43d560ea16ec665de893a173b1fc4f798fe06ccf14c80e1ff0a51f7d014cc3e7734bf37874ffa79fd5021b0 turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2.hash turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2.hash turnkey-silverstripe-15.1-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl1GhWAACgkQhcJelaFu uU0DHggAxweguC8wf3GjENPSJlLfIxZ8CZLe9+ejw1mbXJ8p7FVnL5JqR60Zg0yG 2PQ5uWmKdiANh9nnfdXhUgWLtewoWL5Guvd6ElVjf3RA7d0cTgYI4zlq9x0pnrW2 GZOcQElyFrc2goimY/4OOr3iwqf15qope8T+NQ4OrzB2TsccLz9MDrIMKIMxRGc7 nIohsaThmbG9yPKCH7BhOw/0tIru/5Jpq2p63qdobatMP6TTxlTbbnEP63vFg6Gp Snpb96A5KsSWRUZm5VROUfejwubOcWyLqTxUms4sYfd4x0FoNobkIaOFX8NtKdbn sSwulU+Shd/EZlmpCqnh8KSNWAX2Iw== =Cuf8 -----END PGP SIGNATURE-----