-----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-sitracker-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-sitracker-14.2-jessie-amd64.iso f6b539d1a8b6431903af72439346b91b8cea48b3790338f0a521e972ab852b53 turnkey-sitracker-14.2-jessie-amd64.iso $ sha512sum turnkey-sitracker-14.2-jessie-amd64.iso 97cefe8bf591d5b8c91d478944a3725b38d927bd2b2782ba573d2b8476d46270edefc942cc2e68e5c595b93c35a54f4262cd608b42e19ed2082f8dcdc91a9082 turnkey-sitracker-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-sitracker-14.2-jessie-amd64.iso.hash turnkey-sitracker-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-sitracker-14.2-jessie-amd64.iso.hash turnkey-sitracker-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNniUH/j0mifXAKjJEQEh/h79RDC9W fEFgVrz2pqW+jkG/npDmcOnKWE6En8DUkSm5KdHvKC3EhGxTy/vGSwog8/UfLXSm +ciBNsh0ziPMVYIq15tXe9jl0GU6s4uiojp5yhVam20p2fIeBX9BjDwV1kQJYNrD 70FRuLDVyk/2yaXUQd7/bxOZa3cNic3UW6sPi+XYQSAcgHbL/LVhHVWX5xhnkB+8 Uo43iVsHfhOItElY7O9pi+UlGn0LP0p75uq5OiUH9Rqhc+LY5pG2rCk3B9WQsdzC vBxTilOuBtENDM3ra7gE9T5za9U/pJTH+vMyz5rKegCkHJtsK7PUGBdt37vcUuU= =PyiF -----END PGP SIGNATURE-----