-----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-silverstripe_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-silverstripe_18.0-1_amd64.tar.gz
      2a5a17643c34eca63afbb87749a159eab6191bbc2655d2dcfeec256eb9952ea7  debian-12-turnkey-silverstripe_18.0-1_amd64.tar.gz

    $ sha512sum debian-12-turnkey-silverstripe_18.0-1_amd64.tar.gz
      54934ff05818a2c35cac880c98a8afcbfa615503d01826a196b426c07c7c80424eeb9e893ce5af3acd9dbb1963393d59b6bf660f53037a7f69a12facbe10812c  debian-12-turnkey-silverstripe_18.0-1_amd64.tar.gz

   Note, you can compare hashes automatically::

    $ sha256sum -c debian-12-turnkey-silverstripe_18.0-1_amd64.tar.gz.hash
      debian-12-turnkey-silverstripe_18.0-1_amd64.tar.gz: OK

    $ sha512sum -c debian-12-turnkey-silverstripe_18.0-1_amd64.tar.gz.hash
      debian-12-turnkey-silverstripe_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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8II1X9+VJcXuq8FTjHa4lCn0z+cphjL7Y7oTZvV1Oevn6Kty4sAzfYbjuLMbfKq4
eJJZN6hBg52NHqvQ4Z8RaVOCLNKq8ift0KIq3mUEYGeT1SZbLxomIETBVyoU5WC+
ulYzXTXYDdSJ9BD8x3GcUZnppfpA63s8f/uQfheIv8L44mmOLms=
=YSr8
-----END PGP SIGNATURE-----