-----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-rails-16.1-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-rails-16.1-buster-amd64.iso d0d9a5215ca389ca8d50ed98a32e06712abfca9696cc47ec7e00a3041e04fb88 turnkey-rails-16.1-buster-amd64.iso $ sha512sum turnkey-rails-16.1-buster-amd64.iso 05f6d684a94c71d4c769d1a50c045ff060f87a9abb18397abfd79eb8efd148b6d020f7466bc2e9d8074c2a0be4b2b5323fc5c9929c2cad02c0f7c221afd880c6 turnkey-rails-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-rails-16.1-buster-amd64.iso.hash turnkey-rails-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-rails-16.1-buster-amd64.iso.hash turnkey-rails-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmCOURgACgkQrF6wBJPl vBwhaA/+I/neSetqAdxbi1DFSL82nZXoqtdZC9yIwjl4/M4J8bgSWx11O2ufWWOm bVZue3Chr8uttrboKif71svWM2W6QNFzjQMFbfaX6qhpJ7GamZdIPJaA66ldim2X 5fMRv3jYeH0Ca324tclCbLzKLFgo1qkS7iAxy6+ZAPxc1I43kdFz7oRTrEZbh4RS 5dGq/JyncxWNNPQSYpJzy3csUwCnbUVzm6sGLYRNb+YVJgv69ZWFeh8fBwx2EOY4 yyg2ZZhYJQJ1A1uZrytOEl9WcqAWW+zUYRIb8y3KGAehhQ6g2kkT7+ZfxaSbaa9r HXk9BmATTR9adtIfkBT4Ni1M8nWUCIE6TUf+GT3X3yKK1dHX9PqL8ZG5tbnAHFfQ +BKlMzQIGgJJiG1iyqxk3McjCj11K9pWEambvSmZHNQy6x4Cu6l3+BoG/5zsBCOI nIUBlmI5O/zNKTqyED78pk707wD50hqLahhVDQug6dL8raIcUfkYSUWmV3Vx6VKx GiDln+PQ150VuXmIQjghMLmYHgCK1CWmnW2Q6V4EWLu9sXPbgE78AvAB1EIFXa3W nSNVBbn5EYCuVlxjTHqnoEY7tQcRuXgpg162n6eC+XvcngdO2/evRr8watxWDaqt nxW8DT8ZV0ZizFOkChN2ylTwpVsAGLuqfSyD8ASZQItX3oKtd0Q= =d0cJ -----END PGP SIGNATURE-----