-----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-8-turnkey-rails_14.2-1_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-8-turnkey-rails_14.2-1_amd64.tar.gz 41c3113f880d16848ac31bee9eb11e3cf67d1973cec37785666ccb783b72db97 debian-8-turnkey-rails_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-rails_14.2-1_amd64.tar.gz cb346966adabd28314929494394091f456ac64132cea5ead640f32c66a6ce1f955ce23617c7f7b71380c985b2aca9cd16d5d74610c5fffebe68db7ce34618c85 debian-8-turnkey-rails_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-rails_14.2-1_amd64.tar.gz.hash debian-8-turnkey-rails_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-rails_14.2-1_amd64.tar.gz.hash debian-8-turnkey-rails_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKkAAoJEIXCXpWhbrlNpWUIAOJpLtHw35ZKdmNK+xdBEk7v N3PhS6NuhBVvftnsOYvRlN/I24OkdHiB3XA8LjKc+Yjt0DanwRTIKxNHGqf+hHBA rVhry/nQugO9NWzK0dmywrecIalFChNdS4AHqHJFx+5BTxSv2mgfyjlFbz5Wn3TV 7Xo5zV8Fm2Bd7yjdlHltdE0s1e6T9sW+GtK7kAwIl6gaWt2rGq2emYLIanYxPDIm KlyXtO5B/vxRv47PT1PXxvbStqjNIGWTzSD+olIIq/Wq8a5hr0ujilpkHKWN/8xN g6+2ZFCqFzKAdRfHKJA04uam+H+zIHI+8A/gANVroXl4XRKi84dmx0wpjrWOqbU= =a365 -----END PGP SIGNATURE-----