-----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 debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz.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 debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz a97f20ae84761b9687cd6bb76bebe97ecb9f6de043f7343e395ceeccca717494 debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz $ sha512sum debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz 2c52643c30d730e12bd7b8746715c9bf8edc89932ef361746bef4e6fa8cc17ca40d4da585864234bbd722f6569350f7fa4586f0b0874291924ac7d79c6b18410 debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz.hash debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz: OK $ sha512sum -c debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz.hash debian-12-turnkey-gameserver_18.1-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE0achB3UVKiMsY4ckkPLGHN5q3jcFAmc9ir0ACgkQkPLGHN5q 3jf3wRAAgwmW8i7ZtmAybwoEdk83Q9gxifx9BLOckkqRn1skNZBruDcY9ioD8uLy +2Q1icQG2g/8Jg9UtQpFjOu842MwVG5akfKapWoItwnl6O5J2p0gAJ+ZkAfHBaji PnNu8T3eUbM8knNh8mg2HG5o+Z6e92JVnVbHd7vcR8wBeKEehP49ddaMrZ6Gm4Tj IF+A+jnfzhiIqsl4jJv3hbaqkDk6pL5aA1jGG6W/z4QkZeGMptyifXv+/JmgxiZx qyD98j4iNYS4Qyh1ZxhFcIYcT8D4N219QsP6xCYq9l4weB4YM2R+ARRKLAKjLAC0 0NZvQJ8er8ODFf4pXSwPdvygKoomToH09mEul7JldSTDHcONCg0xmRpfRQsnWdzl U6r5MfqV4O/CBiIbE/2har4FpaLWcazXIkxUAWQbSmFYOFm0nrAKJV4s499O4z+A 21w/tjmHBeyB96TTmU3Gj/lpMpWwzv0v3uVoiSPyec7SBYoUVLQo0C6MN1XLksOz /ZXnCdnsmnEGz01ngcHdigAdVOYKUDx2lQ0zuvYXYxXOnLZF8IDk6ajs6tTFjsaL IH4UGxwG3OEgo4dAnsbP0iBhS+AicGg1E4XdjXf6aAN1QbR3N52oBDa/eXpn41wo 18RyKfg7RDqWAYuQJTYOW5FCUNpZk1HPYlOOVWx27rsmtCSAM3Q= =XhIO -----END PGP SIGNATURE-----