-----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-vanilla-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-vanilla-16.0-buster-amd64.iso 50ab8868c3169771481544bbe4049161e89c50229082ead7533dd31aa848d28b turnkey-vanilla-16.0-buster-amd64.iso $ sha512sum turnkey-vanilla-16.0-buster-amd64.iso 6bcf7e9f5b4faa6a2df557582064eb8e18caea4a144c75a1803030740f0b9ca6cc1882a62f54d494f75f2dfacfdc25562f9b3d8f81f5c0b80b648d91efabd4eb turnkey-vanilla-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-vanilla-16.0-buster-amd64.iso.hash turnkey-vanilla-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-vanilla-16.0-buster-amd64.iso.hash turnkey-vanilla-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7vE50ACgkQrF6wBJPl vBwMPQ/+JuJjrTtsfYKNJfodS/9eK0yDbH7cGMkzcgtaMf+BvbCZWJb/3dmeEqvu FC/X1KbEWHr4BtAOp7LMLh3kfcRkJnKZGYy67nBJ3DxUR81eaurbmfQ0QLCJjflB uDbB4eDm+8KE2O7ofJmdNjpss04KLWXRpHXRWvGBCezSJN07KKMSnYL26XtEkhvP PPdPiQzxGaxfgGZP/XNnGtOwuwlCA/O7cdfOl3S/nq6kgyS7B32LAkiiK3wAAI2L pDGz6HfRW5sryISeAI4edRQ92UHE+SX9hU9eEDMyIgVfHAslhJojxq3OXRzpw11G 3PJCHDbstcRgofKhQ8008ZVjJlAnz13jHbCvD3tirWpBYJYIk+tztuoNFA66pHtX oJg4+sEnfnRaUoKIHGiM2s504kVkJOWQFvFCv5YBcijWZTTxbRGmiHuqADAJlrwy OsFyezhAtjUrc2hk0XIpQUkBvbOfhBMx94sGMvEz0A6K9peicsNtK1lJvpptUEvH utDkbG6eMLTnvplPjoz7ZQ7iD3VTAWBrYiTcu3Zqts7juxaadX/2McUfRzAT0Cdc 14kcT0lK8oNVEkfskxtYcLWlHidAVgYnq8M4eBODqKPVziGI1HSv4RYLV0wiAn6l M5KzOYrw1MkF3aXeoFBcSrgoRUst68LnYaceHyhYN+qAY7PcJtk= =xNRb -----END PGP SIGNATURE-----