-----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-zoneminder-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-zoneminder-18.0-bookworm-amd64.iso f17f9e756a082b991685e3e82713a7e94e1d0242dcec83b2c677a213334071a5 turnkey-zoneminder-18.0-bookworm-amd64.iso $ sha512sum turnkey-zoneminder-18.0-bookworm-amd64.iso f9bbf53bba9cd07b32ae174c50409159440e93fe9a6b37cd3345044dacd78c1e4e251e97b52c621c06c0da3550bade897a3f6e7849f1941f0382073aba134e75 turnkey-zoneminder-18.0-bookworm-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-zoneminder-18.0-bookworm-amd64.iso.hash turnkey-zoneminder-18.0-bookworm-amd64.iso: OK $ sha512sum -c turnkey-zoneminder-18.0-bookworm-amd64.iso.hash turnkey-zoneminder-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----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmZO8VIACgkQkPLGHN5q 3jfMjg/8DbLmI7CD8t9qHMgGqmrV4DdT8n2QVl8HlOPgF1nKm6rYT28Kr+AR2Yxd K0cmUqu6BFjCoBL/Dpp27S5nQMDfF4oTv13RiczybuzFterS8A24EXViPgXEHq8r JRz9jTDOOcT5bwj3McRjerHFKjPYxS9OtYFbOYe1UZbLVsNu/7Mo1xV6kr5vdcIK X2NhymbNIsGjitU2vgQoNEed3D+b6nh2nX3m835C6bi60fmGNpaihTK4dhtJS9S6 TLgY+qpibBekC7TcX4qX+BMq6fsnUqd2UwAUY1i+LZNHd32UMWcM6j7+E21jgqWz tJphFXLV8gEDXXohF75JnEZS5eCF9da+DH8Jqry34DI+D67hta7gh+DEj+ihF70h h3CVUDpIqqj5sobMpYJrKLsmFLnyMUpEi48K/d9371N/zb94tGRbUW9q6wCWjd+X 6fgNT6MPdOxCrK3diFdXM2flVnTFD47UOz/KAElofv9WQ3aGwoTDdGegcPwblKE6 pwwo4HaF9qCQvffKB6g6KYreoDUtggVxI57ETuFK6OooBo2AAtbgWoAQTsMI4w95 7AYxP1d/PFGAcU4tAJesBjJLB2BVcmUCYMuyM7+VKeoFaUSF10jhcXBdxqEN32Y/ Ho7VtK75CceUFNRhIa+Yo6aVYyUArkF9+EYmmk4E7Au8A4TLYSI= =Hyoq -----END PGP SIGNATURE-----