-----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/18.x/keys/tkl-bookworm-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-bookworm-images@turnkeylinux.org pub rsa4096 2023-05-22 [SC] [expires: 2043-05-17] 2614 7592 087C 0EDE 4214 3B63 7761 DEBA BBCF BA7C uid [ unknown] TurnKey GNU/Linux Bookworm Images (GPG signing key for TurnKey Linux Bookworm Images) sub rsa4096 2023-05-22 [S] [expires: 2043-05-17] $ gpg --verify debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID 26147592087C0EDE42143B637761DEBABBCFBA7C gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz b4a822cd27876b999b78db03c1af76c3bb48e83c8e6d34d1e05101b3c05e47eb debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz $ sha512sum debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz 4e834485061a6de0d846abb11e9089e5a2164fa65103ae52e839464f9b4ddb6fde43bad1bffb160f05ee1a3cc6714e67f680a99e77b04a9e1e5e9225fde16bd6 debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz.hash debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz: OK $ sha512sum -c debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz.hash debian-12-turnkey-domain-controller_18.0-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmandY4ACgkQkPLGHN5q 3jfDzg//bsPlmcLEPryZ++0liCbWMuli/ybkRIYp0cyt8B/2ZUcAh+Q2R5pvzFke sCCAV/dqlMxUy7/FXttzhtp1fLlfgm18bV+YczraBhCTVtNl6pdSSRA229Wbc7So Lu4rAKRs9+YAD90UqF0UW/W9TwebzlxpthwxKGX78E7d2yXB4+onl4Ep4zq6Am6X tW/XpNubNabNNsNueC4tSFoD4iJIy7pxmZ/nfqYdq91Ci0iT7qYK9gtgsIKcG5nn eY0rjczwkhml+SDAl4Id/Bgz8GQw7j6TJ36nsIYmSM3SqVL9Ti3GaInHBJgm2uDZ tUocTLAqs0nw0f6VdEDOtamz+CiyzkOscpYvkTn7kOspPLn1Rt1Vfp1z5w5lGP+e rrC20hSVhs3NLeOSQMiwHeaeWw3nvmTBp6d38+AEKjitxWvyhzemlwEPuWK3mQXq 9YWj8NayKp03EgADG8IZONIfg0JfOYRUX9Q4G0MJOputmmKi6HUJxyeEkjKpjPKX 8V4s54qTzDMiGDbvglQHXvROyprb8p+b2QY4nS1rQ+tQ93bWANob8rSDGs80Zzjo 3BwqV+YS7DkqSyIno26fOAL067Z9pWJQUPGri5orqOUs5Z6oDaTzRYGdSSozs3+d 9SVm9qV+0DIxSYAfDwJ11V5G3oHRF+uXiBHiVqAhIyX0C+7bypY= =b4LO -----END PGP SIGNATURE-----