-----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-etherpad-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-etherpad-16.0-buster-amd64.iso 254c535b24131e7c5dbd1d15f6550364d54250d871354f93c390f24a40b5ee8a turnkey-etherpad-16.0-buster-amd64.iso $ sha512sum turnkey-etherpad-16.0-buster-amd64.iso aaba65371d0d28fd83582d65660ceb2ab3f068d91229139aca7b04ab83084a1542e7dc54c1ae76c565a81e0e9d8a4e3f18f80f55149644fbf052f8f0b3c7eb18 turnkey-etherpad-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-etherpad-16.0-buster-amd64.iso.hash turnkey-etherpad-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-etherpad-16.0-buster-amd64.iso.hash turnkey-etherpad-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl/YwaYACgkQrF6wBJPl vBz6ug//YflV/3gtyOlrirYLXQA5JxDb+hpBvMNsz99l/pkrmKWEu37TTAZXxGkb ZOUKTTfaV5AUuf3MhD+eR5jlMtavpJ7o9EhgPuRf7Bk0gFbW4/5v+hO/mDX42vTa r720YOgQIJf7gQbRg4mtU+PkXLp6WFxPHbrV1qNEN46vaB+xqIHRB6QPRITP9ULf VCni+CPBGVentU+SpSykf8OvM4HjpzxA0t57aPcb5DrEPo6koEbqPrkYCNCFssBy BQI2mkZEL403/GqvPpmGoZ5pIvrStTPvw/W0LsVvEJM7NLPCQkcgrLGPaaoIcZuJ awd41r48hToG9BB/ricwn7Le494Duq+feQ1oAVIy1nDIBnoNZchvY6CffB4MLg8J zdjnkn9a0gTLJO659NMI4HHkaDxuEnSTZZh/nxlRKOgS8W3BEK1FjjB8j2vGXnpW iO1Jo487soqpXzWS+Cu4hujRg1Wwdz5EEt4HdhLikVQRYllnUqGXovX1NbAfRPLg FvrOp1saAkaP10dUHdtRu8y5eN9paEYpUimMYEV1gz1kWwVAXwtjmeAZnl6TOnLE 9CnogUW3dMNHzpJTJZooqumy9xIEqxhvf5GL8fYro5DU5hcubOnCJBrcu8ZWPgv9 RduweEj4l+i3GY1A1mNp9ozHNJnapq0Wa7Hf73miJNwVq1BIJh0= =BCil -----END PGP SIGNATURE-----