-----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-otrs-15.1-stretch-amd64.ova.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-otrs-15.1-stretch-amd64.ova 872a3df931a1763094fe7dfa214a8e9d9a562350c49d58e5d179ae6594695be7 turnkey-otrs-15.1-stretch-amd64.ova $ sha512sum turnkey-otrs-15.1-stretch-amd64.ova 97a2e81a53fc87b56fe767338cb878c0c34c77cfe6d9e4a204521671fbcfd24c7854bb1f2b16cd59997b15b45be5ab19f9df09c492b0ad1e6291f561b572a651 turnkey-otrs-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-15.1-stretch-amd64.ova.hash turnkey-otrs-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-otrs-15.1-stretch-amd64.ova.hash turnkey-otrs-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjAACgkQhcJelaFu uU0UgggAzkW/Lk7GWDE4YGXtEQ9KoQkI1C1gYFBJZpWJ5RUD2hrFZgzLSwWHQ8BE VrmGKUoW5AjQXZ0uvrR1cR6LYpmjt9FY/V8ic8rudvtaGu8kaWfjZ/gVwKruF6u+ j7ds7XP5qHHFYMpbohcwvZKGxUHKh+Tlg3LpR7NCN4Jh8Z22ZCNylwdDQ6aJYvrx UfXUR6FpQoKpT28XWqJXQorgleeIrR7DgiQ/W/k3rBMyvrcrelDj70vWtgCFe3C8 Wzh4glF8raVZLyRNv11EjLNyA7TEV6CStnxm0L5uxicM2FJ6yIdO1Qkrc8+zMg3U cXQsIojDfDMIYC+CvKv2GPF+QZyYWA== =nR4i -----END PGP SIGNATURE-----