-----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-rails-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-rails-16.0-buster-amd64.iso e98d184948f69bd36c888b5fb6f3ca1749c86261c93199e2e393c582a88fb5dc turnkey-rails-16.0-buster-amd64.iso $ sha512sum turnkey-rails-16.0-buster-amd64.iso 8e8e4c2efad1f6272e63e46a79bbb7f7d79a541be85aeef39194570caed343979617aae6c06aad7e9b7fcac8ad6cf677344b4363cda666795ef20696245273d4 turnkey-rails-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-rails-16.0-buster-amd64.iso.hash turnkey-rails-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-rails-16.0-buster-amd64.iso.hash turnkey-rails-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+L/WYACgkQrF6wBJPl vBwSIxAA0NOoMPe2xJ03BQ3GgAyWMBKAJCpHZTu58Gq3WGhLzVgye4wyiBllYQjK UU2z9AzLQmJLqb2GXlUhVm/JiGg9MPjYsvIBFWpprwfp0KxhG0r1QlI+mzHZ7Gkc KcYTkJ/3DNX6AGLciF/pnWS3UXriW0dCByd17r/fSQorPPzKEO9bTavJN2AoBSrv a58460T8NOCvSjXnVqvYIXhQYzb7C/HA0LCJ+UmEc3BCwBaCcdvrf6l55wCzUZJK zukhdcVdWRqjD12XHV8kcA3AoQvOQ7Xa2+naS/cxNg6ke/2P9VkO1UE1idOPqPJI QYp7YSUxZBRtrDJ4ZEmmEhZquNDgnfXA1rPqaPKHH/W+lPNAl4g0yy8+z/faXrnL qPTG9Pn8l4eeoEemsaxLFEE303kpjgnDeZM8ik1+UNb6P8yNY0EOiRrDzjyN1Lga 2FtOa3I3bRs2xpB1lg0GZYBYGG1NU+C2WSxJtDqijeBbKuztown46qeA5ZPwoL7n 2V1DD30x+C9KIWl8Ugu/o5QJZGBngiGqiWhGGbzz836eR+NX7vsD3xVkYZKTeXwM OBVfO7S4/tZnDpF9S5MCnzmsl1g4uRsyonxaDN3ItS7rJC7iNEdt9N3/yFG0uZdf RY7aF4wD2mfZ2gA0WjhaZmS4hl94tBkxOIbKFoSoaOYv784qtK4= =QH2w -----END PGP SIGNATURE-----