-----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-lxc-15.1-stretch-amd64.iso.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-lxc-15.1-stretch-amd64.iso 9b0d6d5d2b3dc4cf7d6397fab72162eadfdaa503ef213d7804a4c25965178f99 turnkey-lxc-15.1-stretch-amd64.iso $ sha512sum turnkey-lxc-15.1-stretch-amd64.iso 08a70fee3d3cec6a0194a2476cef09cd97804249bbb490bdaf57681c8b6b26ec1b90c167e5af50aa54dd8a368d5e639e50fccbe5385b9d7f661c11a5e00c1d49 turnkey-lxc-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lxc-15.1-stretch-amd64.iso.hash turnkey-lxc-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-lxc-15.1-stretch-amd64.iso.hash turnkey-lxc-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEYACgkQhcJelaFu uU3i8Af9H4kg3RqHMrmMVyDjCs8Oe2WXdPMQiv+jPxGlqYsoGI6DQU1ggZilK+BL PpJk8QM918r45JbOG/+a1PHjjFBd1a1LHZFHvm9O20fobNk4Znv43ymApKmOrULJ mk69CPEhKA6u3PlM5aBfz2UWSCuLbuLsZ9P0/V+6SiTKKlHJd+JcE67W4UP4bVs6 UKBj85W/peU3I0j3F6eu7phVKJRr8EdKYQe7IH9WzSoWjnMdPiY3sBYPSO47NAaW ZG1fwQa1uRCmPs8ixHNczZR+J+SXJ4kMDQ3UhX0ZvLs3MS+yx3CbkXSjBL572Ndb nkITFqIMNZM9PfcV6Gu0G24UE3YEcg== =X8i9 -----END PGP SIGNATURE-----