-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-tkldev-16.0-buster-amd64.iso.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-tkldev-16.0-buster-amd64.iso b7ef5f313bf45b41d6be0d01b033194a1018d52156623f4fa9e4162384db26ca turnkey-tkldev-16.0-buster-amd64.iso $ sha512sum turnkey-tkldev-16.0-buster-amd64.iso ce49f772da9aecd851f2bab6d94926b85e68eec9a03d6ddeb22c1f6fb20ae2e856bc0091a8828c2d8cebe73bdfbb74b63aa547bc19705fb4d38395d6c769d2f0 turnkey-tkldev-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tkldev-16.0-buster-amd64.iso.hash turnkey-tkldev-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-tkldev-16.0-buster-amd64.iso.hash turnkey-tkldev-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl6upFgACgkQrF6wBJPl vBzZdg/9Gb6qNKqR2GhAPBQdeLcMaZ6mHekDwsh/DcXtWWW5QzaF0NBhnU5WozyH YC7rnzb6sOL/SBfEZufFfk3sZqPbORDBj+V6dYgshHyO31KvOWG7KH1UZmA4hrcm uC2wojFX0sAgIyzlhYuj25DJWGRqTdSe+yUmDgGD5Zrd/WdU76Et9Alt72dUh2wF c9KrHTfLrQ5ei1D6TxCEYCI0v8A6lSko26jTaFWbC/miBkpkF0r9w0BICU8+Mi0J 9fDaA2DpXuesC8chyyj/ElTt7jofxqJA48Ega4bWA/W2cuuJq1lVWeRQzG/Rslsl 0W551dyAJX8Lsi3ZpnsZjFZkvP2sKl0BNkikiQ1hQDYuyl22ZTwj9ukVkUm6OQ1t ti0B1vfChuDK4ivQae7APNuduGsEg5yWY15XVMCZlXXahCN89dTbAfF+lb9Fh5kF ORmDQhOnFzABVKJZncTXNW8x4bHnksrUaLiknYUt1Lb9ZsH+SAzU+noaoV8FeabY q8jOe4IMFvoZYbtZf2RcQ+AHSj6qsiKockUHtJpo8zU1lqfdL2BtWPgLNqclBWbx MNNN3xOchITTUbaMOtCY1OAzIE6ocqxfEBp3hX5SV8dK3a5sXtj5NSJkUEzpA0C3 QpEit+fyU7RX3pMrZ8miQNlA9p0IvIzH3WcLWK0R6DSSKRwx+/A= =dmue -----END PGP SIGNATURE-----