-----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-observium-15.0-stretch-amd64-xen.tar.bz2.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-observium-15.0-stretch-amd64-xen.tar.bz2 37740de3c191040d6c8a96e2e532995dc34e52754ac2f64c866aded18ffe85cc turnkey-observium-15.0-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-observium-15.0-stretch-amd64-xen.tar.bz2 9292fe28ae5b4c7b31e01b2fcf62608cf62224dbe6dc9d84323398dc775ec9c3c8ee962ea91844f6fab03fd7bcdc918f704b0385f8ecabae467a00d617c6e180 turnkey-observium-15.0-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-observium-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-observium-15.0-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-observium-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-observium-15.0-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12wACgkQhcJelaFu uU1Vvwf/T5K/bKU7DkRSHJOkgiMX/AvnhJRG2BBC4UaEgPkFr2JfV7XJzafxyu3F cyBdbTfv9IcP+7E09/mJjyNJ77b8de6+q/J9OtfKmGFfiBQ3KxPovPChSKj1ljZi zLHGBO7f7kiB1hI5c0Gshn9BlPRg2ccdgqArJhUlNV3osNqQV6kzoFYkLHJd5knt eLNAFz9KtgdjqQb4bFdm8kKYE8Rs2/XkdfZylQERHZUfgaDNoA6KE6fvDFiMmkrq 1CSraPIQ9mzP83tLIRVA+OdrKCJxcBxXiWmI7q4ZhfhuYidImt8ppTywQNXUR6R3 dPlG+Kf8dA+1Rjoi/zDIrgxIhzRdDQ== =NATi -----END PGP SIGNATURE-----