-----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-cakephp-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-cakephp-18.0-bookworm-amd64.iso 609efa51c9cdffce86f0e2188d1d73cb43f3bb20d82e2182e08b1e06969c45bb turnkey-cakephp-18.0-bookworm-amd64.iso $ sha512sum turnkey-cakephp-18.0-bookworm-amd64.iso 9604956f0b12a7f1ae27545c258753fe585eaa038ca018c5cc1d8aad80d1d5f65eae2fa31f022ae5ec0541dca83212cdcddffcd23fa1dd1a676ece5278d348e2 turnkey-cakephp-18.0-bookworm-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-cakephp-18.0-bookworm-amd64.iso.hash turnkey-cakephp-18.0-bookworm-amd64.iso: OK $ sha512sum -c turnkey-cakephp-18.0-bookworm-amd64.iso.hash turnkey-cakephp-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----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmXIsWQACgkQkPLGHN5q 3jdEEA//XnLFHv8DMcr4YZCPoHWa23vPytL1RLdlC8V2VJEpQf7iFiBnfIL6E/c0 iMMirCnjabU3wfBN2P0Wd3hhMgPJGiC+/+iZ5IyLUl22KZY/N1Ds48u2fHzLJ58r 9gU+rsACkRT3ar8SY66de3NrbjGSRGeGok/y84TVC4A759AwUWaho2Wq3aQXLX3S foBrJfC2ZffvBG0imQkFG6uwpo1uVDdW+sOMf0I1oDJrixZ3xhZBewFpmoDGPZcL yOkAOcul7pEMyetznebGtcuK7olO9mAkxWi5h3JXQCslOtzqNdgyBVPMjd/qtqhm Hr9fvIt11Dxm++cXS+IvGdvmbmargdbvbYega4ztQfvG9ef7flyiyeXadiZh7do6 e0WCLvrBN1PSLwMhy0q2/94Rcn1+/wSYU51NbQozomAYbWLJ7CQnMgO/XrenEDND 0KkNJ2axKkSnGTCvrJ4BBvRCjsOf48VdFhjNSP6Z7pbbKy+NgjhtZQegcHwWoYsv 74swHyVVCzyROvNmzjmKkRYOBbAG1Q4UL0rl3hJxEJ19BviJ9mLsfN/mNOoqcZPP Rsemgh0rTJ12XpGkwpmjzkdGP0U5oqkdYax2IKZrrNHG/aPdE0DwpM3jUBjXD0i9 GR3Zbfzg53USRns2CTGzHu6hcPIcO37/Kwf1kpzDl/xLb1ebFTU= =3DjV -----END PGP SIGNATURE-----