-----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-snipe-it-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-snipe-it-18.0-bookworm-amd64.iso cd42069ec4206280dd13fe4fbfdeb66531245033b04070dd7553ebb24045020f turnkey-snipe-it-18.0-bookworm-amd64.iso $ sha512sum turnkey-snipe-it-18.0-bookworm-amd64.iso 25887dc30af6637739490ba9502f0c3bd24af78a40626e79f5db800eea03ab17e2a0325855d3ce2f12ee67b4113cb300b95f3ba6ad5d17f0896dd451cb2e43d5 turnkey-snipe-it-18.0-bookworm-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-snipe-it-18.0-bookworm-amd64.iso.hash turnkey-snipe-it-18.0-bookworm-amd64.iso: OK $ sha512sum -c turnkey-snipe-it-18.0-bookworm-amd64.iso.hash turnkey-snipe-it-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----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmZO8VEACgkQkPLGHN5q 3jfd2A//XPAfRBTVYyIoFTiARHwRKFPgD5Tb/zAM99184vspqL+dUorvb1pZ/rMR 5b6Zu7kKI4BZARGfzpVJVnU74pEARZizVBre6iUlMfWJfLb62gts0Q5Nv0haYaUh iws1s+BnTcMkTlp0YUk3y+VytnAkgrZKCTyDPopcErIAHqbEQ+P7scPHXBfIcmyW yo5YJZwh6aglwZJ2DJg9wK176rwjTM3zFUjhAZMJf7jb7P9FbWgKG1Bvja6eXvkx NpgkwFc4cQbcGk2kuUN6FMYyArFjqHn5JGzo3U+Vbsa2gZghzmDMaOqk2BV3dgyp PQdZ9BiiUe7L39SM+O10Ew1RNo3ng49f4Ii3FUOxFM4Y6Na0nq6jSrZAhxHRB0n5 sWAZ5X0rv1olFgEt2oG9eD8DnWJ7THUYavt6aDIJ32/PO4haCu5NSq6lO3nqXK8f ABFv+4nAlvx7RZ+gvp1uSKpCFOqIzX3qn/ZYKRWU7XrhLWSx02excn3MeqQ00TlK plPHOO0QEBVt01XAoWfHG0xWrBAvqaGw1hvL0tLcK1BX+4eIM/zL4VHYXDArLd/f jTxgc3Cyn0lYXxdw03YoPNndzQ3rpUG+M4h6Gpa02q5K+pbLt6ThlmKdzDtE4394 uMWdSmMHIYJsuyop4wMlQoqYzqzGocXjSJVql9jmFLSbF0yiYx4= =uQ3q -----END PGP SIGNATURE-----