-----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-mysql-18.1-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-mysql-18.1-bookworm-amd64.iso ef050e441ac33d4fbbabda0db0c43c0ff2369b4a9b58b78a4e7d5b6fb52999fb turnkey-mysql-18.1-bookworm-amd64.iso $ sha512sum turnkey-mysql-18.1-bookworm-amd64.iso 958e65d9d152cb5ac2f7a0cc195c26f763c458b51d566fc2aecd0771f5f9c562a3626fcbd808525e93d4e180398391011351b2cab2c47657c58e4faa27def57c turnkey-mysql-18.1-bookworm-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mysql-18.1-bookworm-amd64.iso.hash turnkey-mysql-18.1-bookworm-amd64.iso: OK $ sha512sum -c turnkey-mysql-18.1-bookworm-amd64.iso.hash turnkey-mysql-18.1-bookworm-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmandZEACgkQkPLGHN5q 3jfl5g/+JEdUdn0gqb/0JsuSvN95UtsD9LCW5I6pprKsokZhAIl7SZYb88gK74CT ey3cSvVgcSn+RA4g8WISdScdTMmi65/vK91+GCCMnmtv2IgcFN1MlPLwAMXzs8U9 Amkj4MKP+TYhKrOi1nd6gmn0jpHM2r0O1SOXPUYayV6ur4QfJJQYr/jAakQAvJrr yJ+Bae24yqp5QNN1EPquI9SbKAG8WYYnYJ+doo5oolshoYDONGdi6f0lOWQ/Zxc1 fmlnm5/DKpLXdQY2UslLp67L0FY/t10BjOk6wnd+6/bjRj7I43wCy3KWy23k8+c1 rP7AuwJKXcYxhJehckAHuzrzhPjvENOujujsxq17cXUDUKQ3sUKEC6ovNYkPyY/m B/xOeGjWs2QEDUfMhYPhDWqsrUrKzz/H9ZVBT8hLZbUaKa4211eP6UoqLsGytdnD Q3T6nKdYKrWYuS+rwV07eJ/uOxt7gQrthl4zGfCna6EphN+VUZCnKcrMZK11nAZA myDV/v0F1edLYmhyYYuVav69G86RYqVo5mYh6UOHZ2cIV0QErdAzQO2HLaTkVoSG OmkjHwy6e7ahsixMzhk2UX9cgCEcf8iNBJt38EwbeP5wTnyCGemETHBplMMwZWDl O3XBypXh/a7w8COsvrU56LxSbzKWUj5ADJSS89ET1fkPu5S67RY= =BY7o -----END PGP SIGNATURE-----