-----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 turnkey-phplist-18.0-bookworm-amd64.iso.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 turnkey-phplist-18.0-bookworm-amd64.iso 8d6d5380d1dc4005bce61350c30ba23ac885fa0dffe73ee433730ca6a5c7a411 turnkey-phplist-18.0-bookworm-amd64.iso $ sha512sum turnkey-phplist-18.0-bookworm-amd64.iso d15a9d4af3647c6bfe11223e86ece7f4cd4555e449e5ae2aa88b681aa314a5dae845816b84bdad385a6c0df5c6f63dfdefff57a93fc115f14b87e5366d9d7f40 turnkey-phplist-18.0-bookworm-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phplist-18.0-bookworm-amd64.iso.hash turnkey-phplist-18.0-bookworm-amd64.iso: OK $ sha512sum -c turnkey-phplist-18.0-bookworm-amd64.iso.hash turnkey-phplist-18.0-bookworm-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmWjpvQACgkQkPLGHN5q 3jfl6w/9HxSywFNeGsHmyh5h5KgbpYhivs5IcJAu1oNERu0TFz3nrFXQ+HUwGc6f s6/m46NawkioH0nOeMNZaeIW70QtPsiyOEjixVs9j2RbzMAMc7GmJP4aGuaEDWMz In1OUgfBdMhcr1/dom16ADKAx6lJpOSAwvK3FSg4gLi8qKiakJ4CJm1ukkqkcxfm 46j+o1GN/ZywR9zm73St/fLh9dvxprsqJY5dKDN3jc3i4vp5k4UayAUKF5OZH/vi LzDS+BTcXvwepursV6MgtQT+sT9JrVIgGIX+YyyJxQjajrxwDAImB9xOVMz7OxEu F5qXa9EhCnPLmiC0xADmUY7iQfGOznbu5Pw9jFRLfyCsx5y38dvZDYiNZCfawIrJ aQBRnIDBc6B3XrqdmUpo4X6Q4xh/WmXSOsk9BoJFvx+dLXlzr6sSUneLLRKAt3BM /JzmXJlpfYnVYMQ3uJOzvhnGiWJNpRQMqwLLQ7A/+xLa/UvyoV9/bQfLVGFWtcYP oaMUIL6DDSWAqwA7+DnLMsLw9U2ewcFdkS7UjibU8wgHM9W7lX3fD+lgfctRYT+H H3yG2ERqRwnzHMy+Fn88PMPEj1c1HrIS+vXgkQeASojbf/bLyQZoLw1N1iW69RcZ fv7xg010GA2DdeeMYlhzHp2AL8Vz+KkBDg8BI6DzncdVj7lmjqs= =OmDD -----END PGP SIGNATURE-----