-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-mantis-14.2-jessie-amd64.iso.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-mantis-14.2-jessie-amd64.iso c2f25ce4cb1de897ee8aed96260efbef872f05814df9b6e3d8dc17297e3a1ee5 turnkey-mantis-14.2-jessie-amd64.iso $ sha512sum turnkey-mantis-14.2-jessie-amd64.iso 8abdaf82a422888c84e428929eca3ce0324a9fae36ffcf8f3db4bb32bd7e056489d3a82b0596d036f11668858c6b6fc1591da76f113069f84722788151e970d8 turnkey-mantis-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mantis-14.2-jessie-amd64.iso.hash turnkey-mantis-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-mantis-14.2-jessie-amd64.iso.hash turnkey-mantis-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNUWEIALMjxa0PB6F9fhPgt6wwwE/q VGS/VpkNchP5qu2VSsz2zhumaCfl/3uEOCKtptIW7PDQwIoJw7XF62NGH/X/fClb b+ay/v5PDkEdPl9SiPAs/SZDWCzzwhx2Uo7xxw0VhD8C9hfL7o4hPwR8jyeAIvcG 47zAeUQzrf2x+iK/oEks1YkzcGYhyoBO9gtLyIJd9cOghRfbaf8rayD2fo0heeBx ecJHBJqrbqRG5D6AaHVmd4VdsqQHOCirvdE0P0bMv2rmEx6OvP/LLEZU/86hAC0A NRr5cm4W8fTq+zlJSv8S4OZGDdx+qYG4FLd+2HsXaivrMGMvvRpGHksh9ZNrT5U= =X3of -----END PGP SIGNATURE-----