-----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-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-15.0-stretch-amd64.ova baed82948171a4d12b91777c7159572fd4f57e86aa36cf94b7aac500f25eb055 turnkey-tomcat-15.0-stretch-amd64.ova $ sha512sum turnkey-tomcat-15.0-stretch-amd64.ova 2bcb418f926961edc4499d597e05b44c32c76822eb6f05ff49463eaddebb1c9613cdacff750c1a4ba4739f9793fe455d15ce2ea0f4522b971c25df448541231b turnkey-tomcat-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tomcat-15.0-stretch-amd64.ova.hash turnkey-tomcat-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-tomcat-15.0-stretch-amd64.ova.hash turnkey-tomcat-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++wACgkQhcJelaFu uU1CnAf9GjOcJFIfJ57DeV9Tz1asP4PaSdPVvhIxay5wgdqKvTyeyzeNrt7pNvSf rOgrR1rSRH9jRjvNBzogbjX9NHqUlgMJId2apMPEXrqPqtVX4UhilCvVdD4diKrV 8d4YhxjNWoya8jP7hMALSR75NGTKbtVpPyMqQXqUEIAXUE1iGspGgIeGBuXFRRe4 27OgQccytUWv6zcnXBKvaVoMfKv1IgWYvBO/24BgbV+LHI75xKMdGU05T0nE5DB5 Sm6Krp7jmeCrAPr4cLOw0JgHPSWRzVNpk5FF+k3zcohTP5KVk6XPKBd4pk+vcSc5 K/WaA+8mbZy39CH+/aoUHxGH8ZmbBQ== =z38V -----END PGP SIGNATURE-----