-----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/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-phpbb-16.0-buster-amd64.iso.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-phpbb-16.0-buster-amd64.iso cc80df7a3faf016b07e78404d05ed289c0ef1c4cf624d278e2d9d392515caec7 turnkey-phpbb-16.0-buster-amd64.iso $ sha512sum turnkey-phpbb-16.0-buster-amd64.iso 14341f4e1bbb5698a452efb92e2d46fada1e8f783a7cacca197111185e3674480f806b123a78afd9b64bd6868ea7a6c186e85df63782d59cbe38bb908e3f5a23 turnkey-phpbb-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phpbb-16.0-buster-amd64.iso.hash turnkey-phpbb-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-phpbb-16.0-buster-amd64.iso.hash turnkey-phpbb-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7KTboACgkQrF6wBJPl vBzGZg/7BYne5PoVmEM5z5L8n0cd0hy8b3IxdwbIouV+wKuVPrT1MQ/yrajyidfY jAbNLC/spIzdmF37oUsRVuK8AT5fyU5ZicT15XOU5AAEY8P9VMy0yqkuEq2rijXj 86PgNBHc7H0iAT49cmM/EMVre2qU+l/xbsca1VReVfV4cn63WoE6DEClDaVEP/cd 8f9IUIoOynB1h3CXsVYVnBYmHF2nrKWBaWr421+sQazLGYu7qQiFXlBYkFhtWqRz jbLMaF8NaY1xFYsVfWTmP3r385hjz1QClM4r2/RsVwvlKXJgk0rzqrSMYIo4na5m rguUCjIldXPWnDPsHk4hSJ7DNCdk5YkTKLDUKY5NhzTMYoicsOb/9BeCHXOFqXBq tJZdtIB3PtkulFVmKqxbLEZfeXLOjJf2d1JE2UO6N/AKyR2QBBee8C6zvXOKwNPZ +R40puBdzamn8AfqjgVh6FaCN9Zvv2I1kstDBuD82jlb2DvViMTSQ3pwusbU8c5c Feq4R2Dj6ujQz+5Ba6ulkK7KVeauWXf9pxE2PIlylkfwtE2OSnV3nhIUOkTf+Fvm w+/p9hZLxfhKgtVmtL6jxnYch3xPVBSLjxU8FngjN4KqK9QaEpCdrDRf+G34Yb1B Me+qxg4ONgWXZFKJKUkZ/oQyD+gFzTAss2Pc6OrG0qQ/u3/OP9c= =gp9h -----END PGP SIGNATURE-----