-----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 turnkey-openldap-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-openldap-18.0-bookworm-amd64.iso
      8f3ab88798a4a7d7b15825c807d3e8f0270e9ebd4e3b49a12ca2d408e05d7d14  turnkey-openldap-18.0-bookworm-amd64.iso

    $ sha512sum turnkey-openldap-18.0-bookworm-amd64.iso
      d6e9cf30cd5d786cd622bfa6fda1df3ff28c3b82a5a329ae0d679a24c08e5a240eb11d86899d7eb3a874812b60809d5b7ea7fed38d5d9aecc9c35d9472c2dcd1  turnkey-openldap-18.0-bookworm-amd64.iso

   Note, you can compare hashes automatically::

    $ sha256sum -c turnkey-openldap-18.0-bookworm-amd64.iso.hash
      turnkey-openldap-18.0-bookworm-amd64.iso: OK

    $ sha512sum -c turnkey-openldap-18.0-bookworm-amd64.iso.hash
      turnkey-openldap-18.0-bookworm-amd64.iso: OK

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

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Hc35Mg7k05ivGwzsQLNADwI+0mEaHc+N1CpJgC7mK465UUmIUeh7ABQRyw3OWcHe
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2R+sIhjM6AnnW8Cm5oB/Uu7pKCpCD2JGFF8N71ijduv2lUEp/WbGv4t751mmQeAW
eerOegNU2LohSbd9oMlSMygjbGO1aZobTa7g/bcwE+ClPASeV1Mwa1KgkDL+FHgi
EPuF0Rh7y8wPd2L3jvCdn+P5k94ReprcWCaQgnlITU9le8Q9MhkIZsh6zVTEypfz
Xb9inbdStHaVCrR6stYvSLFxWpUEdPMdv5rh7LtYMHnnucFu1ZI4+kYtbgLe2W/1
fkOpljb47No+Kdv1BNU//sLIwHVuqwmeBtEwCARGHnPaNjT9f2n1vM1mR/ztxhNm
dFJe8+Hjur9pvik4Yr3G7N/a1QxMmqlUNr2dFBvCOoAs4kN9ALwvfPjYgsKGQx+L
guv4+TqzUlAqnJclL86rl+I8pU0GCIq4eQOyXR2i5YHQAFg3EoI=
=pOPc
-----END PGP SIGNATURE-----