-----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 | gpg --import $ gpg --list-keys --with-fingerprint release-bullseye-images@turnkeylinux.org pub rsa4096 2021-08-04 [SC] [expires: 2041-07-30] E10F 6567 0C8E BE42 ED0C 3A49 CCA5 1174 468F 9073 uid [ unknown] TurnKey GNU/Linux Bullseye Images (GPG signing key for TurnKey Linux Bullseye Images) sub rsa4096 2021-08-04 [S] [expires: 2041-07-30] $ gpg --verify turnkey-phpbb-17.1-bullseye-amd64.iso.hash gpg: Signature made using RSA key ID E10F65670C8EBE42ED0C3A49CCA51174468F9073 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-phpbb-17.1-bullseye-amd64.iso 90364e74080b67665fcb7f2ac20014d27b5c595c6b8b39cb9d285e9b02948550 turnkey-phpbb-17.1-bullseye-amd64.iso $ sha512sum turnkey-phpbb-17.1-bullseye-amd64.iso 68de17bf8da7dc40530c56b8a57be0b8eb3020bf806a92f9047407a502f4b0142fb4fa2408e48d3e7e1bddc4ed795b0e18d5d8da6caed373c2e6346974b3d809 turnkey-phpbb-17.1-bullseye-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phpbb-17.1-bullseye-amd64.iso.hash turnkey-phpbb-17.1-bullseye-amd64.iso: OK $ sha512sum -c turnkey-phpbb-17.1-bullseye-amd64.iso.hash turnkey-phpbb-17.1-bullseye-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE3YP+u+JWuSop/BuCHkh6RjHW/rYFAmNx+zYACgkQHkh6RjHW /rZCSw/+J+QD1XDXx85yhgwRBgbBE0J/s1y9OrNVPiGaak8Qb3mEAj8WY3FNZBKD Uukw0NT1CxXqz8qwzVSz1W6qDiQCo4xCtMBLJUahbRq3iajp88K9DIZOn3jIG1Ii 27tufSDxqDtjCSYGFPcE7um4VwprwujBLP2IM36N2JeW8bFhk5hnFuvOYorck8iw e3ownBDzdd+Ibsr5X/SQZWlqR4ka/rB26eap70vRueUfuCUoX5s5ec4enxZUJZGD zJsOqWBPK6JKXSnAi+bipL4l8Qp8JKcwBIeyFO+R/sFztjQgCrx/lIwn65sI6JD3 mAIjzuL2yK1EuZENFIpU2pMNkVXzeip5vBn9SzMuh7mrTRYDb4xXQ5buPlRzPXXr IQtVMBZg2TESppWM+oUKlCfUVOji0ZSONVuIrD1twZcYWwIlt7NpHwb6Hs4tvGbC rSjv7bHqPH4oINe2es4+rtjTgqKCUERbJ/DdhgAVYYrdVZsdyj+714eqpyQvyGi4 NT9WrNpxMUrr48qCrsZ1S93YhRdro21e+EHMh4+Vd82hVydqJXQdlk9l54QOkEJj S8XU2idvwMX2fF9uXtoiSpgsCR9bixn/Ypjrv66xRtOEQ6Z/LxIwkJvZUqLp7n6U AjVcRuz9nYF+k+yxyy7mOncAfyGthclq3FcLfczuFnzfSVOF0p4= =JEuP -----END PGP SIGNATURE-----