-----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-lapp-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-lapp-16.0-buster-amd64.iso 042cd3c4da905160dbf19773532e1439a672e5ceb5fae50aeaa57bd6c6b01f8d turnkey-lapp-16.0-buster-amd64.iso $ sha512sum turnkey-lapp-16.0-buster-amd64.iso 02b5f988c9f0c050542804d1e2aaf122ec5dcac4ae7957101053c33300f3c23c0540c97e40b246899455526366c4c7f90a70f1285a8d14fdaaba2a26b8a9796c turnkey-lapp-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lapp-16.0-buster-amd64.iso.hash turnkey-lapp-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-lapp-16.0-buster-amd64.iso.hash turnkey-lapp-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 vBwQ2xAAjkVOpIxjOKwGK6cNOQ27p8khx5tV45RC7zE5KcykIcp1ROgAEJA7oluP ma1R7pdTqAJtLga0UTukE+zCqVhPydfk6NjMv+6NGh6h93ueD1+/jyMFAFMVjuZF hMF2z9ADvyDaGgnJb6QqCoclxuym6SKZduMLLatz7QX6sGZaGglZr1LPYi8ufDx4 908SEeuc8mOQ5NbBU5lrvAlbRhTDuS+nrcor1f29XoWkvmM8iHGuCLhcVOII75io uAxt9W+rnvyde0Qc/A9oWqd0BTHup8mcgXtSLE8YtakDLWix+8TwY/+Ro5Y0ao8j t0+7AK5J2QqGHORciLzm18Ze4Jozv4GvWNMuey0Lc9a/owjt3p30oNeJ2glEwIF3 hVknL2+dE/zHuKgojC5l4b55jkmI776ScwSgHh6SU+2Q6mwZNdtiZFcTlMp8EjSo 8y91rUfUQ0W0DRewNsyHVryg6mwLnD/5hApCLyRlrYzwQBfScMCCEhSQJ57diy44 4jDk24ZOj5b8N6XJGzE12xzIywDSAmAfA16jYuQYvuFF8+m9DXr58/wa5okqxe+b d07gb1dANsTckK65V7xwkdqnQtulPpJZEyNRtNFlSxULa4rcRmVAfOptRRYlIwJp XVjJ7BGlKy3wwReBTNsGjolcIo4l22sAkbuLidi0a3Z3Qj7JxA4= =RlE7 -----END PGP SIGNATURE-----