-----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-jenkins-15.0-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-jenkins-15.0-stretch-amd64.ova fe3f8bb976e91d83d46731ee8c9e822efb5d0935e31e903f27a4b717e7cd6e79 turnkey-jenkins-15.0-stretch-amd64.ova $ sha512sum turnkey-jenkins-15.0-stretch-amd64.ova 9cc1d30997c3e2e92de5661a2adc501d93ca036f891fdbb9d457e9311b1ad0382441fccd793c0cee38de14d517511386044466cd7d1fcd287082748b6f4ee4f7 turnkey-jenkins-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-jenkins-15.0-stretch-amd64.ova.hash turnkey-jenkins-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-jenkins-15.0-stretch-amd64.ova.hash turnkey-jenkins-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++IACgkQhcJelaFu uU0SNgf+Lq2oPrpOhkd9sdQ/CCOUtU2AmvAWNbmYT42HL1tfCx22SBilKHOKfXSv eZTNOrtqrWzVKhm8FMKcqelmxJiwAHo3apZWkjjlv1G5eTI879qlXiceBZvAlqaq bid+KLUI/rJxopFYd+AdLH8zaMlK+iFiiC4awOBwQhPLg+ZDKzlDPDlwKxxaYKDR lq6rjAXoJieLBOzBjxXwZyMypc5taGCqPAhlXWdQ+ACnBv9ngvB06/lp0oeRqQe5 Y+G9Wa01DuS23QcAFVzNqLIq9nc9SJpo4Jh0mUym1HwqgAHEiKWFf146jwv83a39 M0mgM9aKdE3lErWKndkNtGuKM5+a7A== =BqkX -----END PGP SIGNATURE-----