-----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-ghost-15.3-stretch-amd64.ova.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-ghost-15.3-stretch-amd64.ova c97acc17fd3286cc20c174daacf7c7f67bf7a26a697445eb6a7a1eaa1e900dc4 turnkey-ghost-15.3-stretch-amd64.ova $ sha512sum turnkey-ghost-15.3-stretch-amd64.ova cfd9ea54bc28c612a70b8d868747b2bd60a70aa63fbaad4ab25e012a1a299784950348047de841314ef4744f5d41285b81e26986307f0dbb66d95f051d55ec8b turnkey-ghost-15.3-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-ghost-15.3-stretch-amd64.ova.hash turnkey-ghost-15.3-stretch-amd64.ova: OK $ sha512sum -c turnkey-ghost-15.3-stretch-amd64.ova.hash turnkey-ghost-15.3-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0TG/4ACgkQhcJelaFu uU3hxQgAx25tHF7E/zTHuUeN7uhtnqbBh01Ahn8jCNrFPMrTF5Bu/xmAtUguGZSn 9iZXE/7PgBokVVC4wnIUWqu75Q/SCJ780xeokm48wwt9J7+9Eaq3VbZ3+GIH7b53 q/UfNFMyJYE1uWlwgjIffsNvSfiIYJnvGLscEF/K50XHhgC+wMiqUoQnR2rgh3o8 q9q0Ng4zB3Siv80MW6Vtdigd4DVCHrR4RyphbyO3jC6jviawSkqf6S57aoqV5Qek IVlIt8s4+HiRREt2HGJjCoKcYjZeJelNOCbyX0yRQoBQm45vgQYGhW3F5JSbg0Uc 7ycKVkgCwdGQblZ5MlQd/PMF+PmQbg== =ekcM -----END PGP SIGNATURE-----