-----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 | 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-lapp-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-lapp-18.0-bookworm-amd64.iso 0a1d400bcbac6860455cbbace573b728edaa7631d175e72212648047a09e9245 turnkey-lapp-18.0-bookworm-amd64.iso $ sha512sum turnkey-lapp-18.0-bookworm-amd64.iso 3600e40e08c68b6438d60585df8f48bf4dc7e3e4b65ed4752e13810d314429a9045496ef89011dbe48899c8a0849dd327c0fcf605a448fbdc4e8287b61b7323d turnkey-lapp-18.0-bookworm-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lapp-18.0-bookworm-amd64.iso.hash turnkey-lapp-18.0-bookworm-amd64.iso: OK $ sha512sum -c turnkey-lapp-18.0-bookworm-amd64.iso.hash turnkey-lapp-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----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmUYMFoACgkQkPLGHN5q 3jcYLQ/9EZcPJw5FyYhuRECQtY6Ug0Ob/mbHdn//NVS1IjtcLShd3CqsdSdf//8y u0/8r0ltmfA2OxW+jMshl6rMou/XMvdFBsI+hcoySo2BKYMHcHwCxsmVfAk/9HdW fv8l8sjj4AGaOKZfhU74axhVuhFmepL/uiu59R4CswrmLf0YR/fCUgEdFFrJOa3b oWefIo3goAbH0ZQJUXBUXdDmEHs5WFn288MPNUjoA2QsGYBC/YfP7gR/HRdw7c3w +RXwCH65k5ubbkC+u6zwKFbO1X0MLlu0Br/PnYmlrzeyD/sNPlpfohk1g3bWxP/5 QRqtMbFoXXMhxVhQNLmREkWjJwAzUORycRdCGsEIdjF5wlpL0fVPAy302XF/GVjl icHA7H09YxqaCod2bYxG1JTIo3S5djvFrMxattSMx6ixCignSbhBLyeMX8Uvkhmw /5WEtjIBM7+QBOT8oJQS1OLV60g7bV7iLgesH1rSpFPCxAY5LyLMoCkBr9uMDLBV 3iYindxnR5P4k/B6J6b6PsCSs9KBkI3CE0p/fggqu5QGPXBFtzubR9CZHyDhpwWV oof8z9lcp7h8ER3jDqknGjiT7ZVjhQFJrd/ntZXIOWx6dggqHkdfLcs9r1tN9hcZ vwpV0Dj3n/aZc3al8FhL9IatUxDn/sETpMj4BE/IPP1KUbMaBPw= =QsOE -----END PGP SIGNATURE-----