-----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 debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz.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 debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz cb68f8635c8e299b455b96cb30381dc6310147bde991aca456b2231c333f92df debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz 34c0224ad614272214c4f596526d11232581838e8daf2869b335dd9a461c3df6c8465c70382bcb3b5cd6a5edda738a52a442b49cefe9f07e357f1507bfe0c093 debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz.hash debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz.hash debian-9-turnkey-zurmo_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOwACgkQhcJelaFu uU3ECggAonK1kKwKGUT9xMH7Q5XVpTnXoP8RFL3w+/+7NTHPRnOG8cPWiwbZvfzw 2xIKhu9qG13lAr/UuIyZYxOQE1oLZh/lPwRFld88sEVwcM31emwoJRsj9aavYCPA Yir0U2r+A1OqOwlyFFOPcTLoJbfi4zNWhmYmQNIO5uMIv2lJk02TSuMis8E46fNh la9gczQf5Gl+hcgIBjD3UtYuthUSsvt9YlOR+w0u9VsUmM0PT8L/ut20Ap2+ys7z P0Lltc+Bh2bbku+VHyrheiLxfQuhFRrosPF4G+aLUDyy4dsKLnqmJGJy/vuCisT4 MD2t0/RmU3rcb8BmxgQOIKWYhKfBdQ== =YevJ -----END PGP SIGNATURE-----