-----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-mumble-14.3-jessie-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-mumble-14.3-jessie-amd64.ova 54c57d0da637dea8e216180a52660c48d4eb10a8f725a83dee054a3deb825940 turnkey-mumble-14.3-jessie-amd64.ova $ sha512sum turnkey-mumble-14.3-jessie-amd64.ova 137e82d11e2d973b10c14ca4bddbf6475d92eaf058ab54b99830b7a1bf062c5f30b4970b9d6605370d984b74ff58d197280925ac07e0edb041c9fdbab2b001f2 turnkey-mumble-14.3-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mumble-14.3-jessie-amd64.ova.hash turnkey-mumble-14.3-jessie-amd64.ova: OK $ sha512sum -c turnkey-mumble-14.3-jessie-amd64.ova.hash turnkey-mumble-14.3-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlpnBaUACgkQhcJelaFu uU1Y/wf+JiK2mmRie+vnA9H6qZNy9aKteFtgBvc7J2KuWLIk/+mMqQIM/420Sz4B Dkg1hcqr9PAai0JKdkyOaebeYdxkamNj332HW5DMs5br+Su52JfXd4w0bDE7EBni G+Tx75gtd54zrqGDY6rNrmM7WqIiQuqN25227t/p3mQuF16GHOFNEGflNkkPELC+ 84EFX8GaFp7Fof92Wlom0XnMiqZJ7MSMMSWlvrudhsOYRXNGdaPOnD82TCV4tYC4 eFUHxTvbVqoWce0RM5GlD6Oibksbqv6559yBax/BHZoT1fWgJSwAlvtmUwOwBZcN mwfFyqwdTpJnOBq7xDlnA0XA/gWKyw== =5iTn -----END PGP SIGNATURE-----