-----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-16.1-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-lapp-16.1-buster-amd64.iso db9fe09ca9cf92e0a4c0abcb2532da98b8ade7dc7d416c257cc27f4b5183fcd2 turnkey-lapp-16.1-buster-amd64.iso $ sha512sum turnkey-lapp-16.1-buster-amd64.iso 7feab61bcbdc1e57027eb337c756a56236c635430f9ca7a6a4e737b653ccf25612c27e0163185e041c387bf7c8b133084196e0dabb28eca82680a0d8f71eb6f4 turnkey-lapp-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lapp-16.1-buster-amd64.iso.hash turnkey-lapp-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-lapp-16.1-buster-amd64.iso.hash turnkey-lapp-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b5wACgkQrF6wBJPl vBxeqBAAlMOoElj3G7PZ6EZQicV8qCwXXnt+C0uXbMGz8vSZoulwIeoBCtof6XPa MjebUg87eH7XcsiiRNCJMSUizejR/bIxTZXbS2HFESFgCydQKfHM8iDQ5HabKj3X TxXwutt2jptCzubLqdgs25MckajSl5FSi5jvTKqOIfQHWuE0mVjTt4fwzFr0W0LX 26oG80Xbe6m8LPQnxgjMoX8+A+ueXdATPvhM22pTaIyGjX6VKZ9wRZUuH9co1qV5 kt8bdluJYmmhMC1fNttxzW0OZBR6yuMf4GzLZqJv/zR/Cx4vvfJ/WR8S6TIUXY/k IUI8c0JVTbAHB2JE9WVnJAzlpSMpFKqYI9r3d7s5WdaSn8ZrusyiIuLX27HB/Jev FCk4hBW2f331DEJ6VEwzLw0PIxBxuQDPjvSiwB3ctzMpcobVdb9p425K2q+ReI+Y SsxO6fLe7os+28HfSfwYt7+EWjk1pMsfW24kmDLkXFuu1revy5WENQGV+eBFdzsn UlgZl+4dpsahhSNwPkcQClZHMijNklbECpJAHdL4GbmRLWGOP9cpre/XU35o7vWf y0l9HBvP5xv1tL5TQ2FwwORuBPx2apfI2NTwdDBeWEdBU2qj673vP0PO1jsc3ubt 2u+/WUdIFBWOpQ+mju3Sn56hapjzlPD8z5smSNLpaE2XRqpcp2o= =P+F5 -----END PGP SIGNATURE-----