-----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) <release-bookworm-images@turnkeylinux.org>
      sub   rsa4096 2023-05-22 [S] [expires: 2043-05-17]
      
    $ gpg --verify debian-12-turnkey-canvas_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-canvas_18.0-1_amd64.tar.gz
      db238eb1797e74eb9f829e982a0a99c70048ac9e5cf95821211705b6b386904a  debian-12-turnkey-canvas_18.0-1_amd64.tar.gz

    $ sha512sum debian-12-turnkey-canvas_18.0-1_amd64.tar.gz
      78ebd7d39457b941dae494426a6608fd0eb8b37252526bd83404a17db7ed87de4ffcb6e64f0757bd334e8cfa994abe2582e2c6de4007372b3ba5f9a5dbaa90a4  debian-12-turnkey-canvas_18.0-1_amd64.tar.gz

   Note, you can compare hashes automatically::

    $ sha256sum -c debian-12-turnkey-canvas_18.0-1_amd64.tar.gz.hash
      debian-12-turnkey-canvas_18.0-1_amd64.tar.gz: OK

    $ sha512sum -c debian-12-turnkey-canvas_18.0-1_amd64.tar.gz.hash
      debian-12-turnkey-canvas_18.0-1_amd64.tar.gz: OK

    Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted.

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68CL9Rs4UevxJ2Il4B//zPEt7uyBEfCV2Eg2IExiyf2KUSOTSj98so12OHjqk4nw
Wv+SJ/zrwK26LYMfpDfU//lxfyKIiUroyqdEXCBPaZPTm2Vc1k/yIQgvRPsp4HpU
7FTIrmL5HUOeINLwS+lScY8w0iFCakDTcwKui25AtwsuPdCa+cyhiWQq+uOMKZTV
5m4DcfE42HNlewkNtuqM7B7DYNUZvsJI8QbG/uA4L2MVqXZjltC2hpQ1L1FPLY93
+hrZcvmpamYJ8Ag+lcN7ZOiR8fGGk6Mr7KUUGCdPwmCKM2hxsepOTBVvRZWOu76q
NLMMREHIitST19Tyu5PRJALtXTcBdMAxoUFEQPZP600q9T4WKz7rHwSSYvOCwRk7
XhdmzmK5vQaCJIb9yRQcy0x/dSd8IKetikrMt/l6ULIRuoMTyjc=
=GNg3
-----END PGP SIGNATURE-----