-----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-tomcat-apache-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-tomcat-apache-15.0-stretch-amd64.ova 4ca4d991b9500da5ccbf2f1efb59db29a398f48229d77bc5187d5245312a5712 turnkey-tomcat-apache-15.0-stretch-amd64.ova $ sha512sum turnkey-tomcat-apache-15.0-stretch-amd64.ova 33f752c9a2b1a14cf12465148409fd08dbd8be06eb496151db968530ba66b5bb05961fc4d44204ced4adf97fb8b48069f54eece5741bcce7f971d8617c410c68 turnkey-tomcat-apache-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tomcat-apache-15.0-stretch-amd64.ova.hash turnkey-tomcat-apache-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-tomcat-apache-15.0-stretch-amd64.ova.hash turnkey-tomcat-apache-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++wACgkQhcJelaFu uU0OpQf/VKb04r+YX4egB84EzNnQZGz6+EbHj/uLcr4OBYhpOYKvSQdP8cDXMgfB txfVei1Lf1jWs7QzyL//NY4112zl8gCV9ojdOHHJfxlQcciTI6cV8fBGwJlV3TXC LdFd3nKGvxaxOreUHKB5Ul4FQf3918o+nKAqQb8f6iLSPCzupp6Ta3VMifq05iuj MSZGUqlNyZYKv2XyJptvIFWFxKXTVcJNomvuVeoPtx8Cd1QVhbiJ5y0DwCojbYEu 4+JS6dx4HuP++hAXJHLq5Q4AZUuQiOpdqfHd50zht9fHGk3dFDva49VIU7Jlc+fd Afe15aa2d5q8K9i91VCEffjwnANd6A== =KlCt -----END PGP SIGNATURE-----