-----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-15.1-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-tomcat-apache-15.1-stretch-amd64.ova 4032d512dcbb3dc92a50603306eece4622d9249c2197076f2b4ab97d975e0fb3 turnkey-tomcat-apache-15.1-stretch-amd64.ova $ sha512sum turnkey-tomcat-apache-15.1-stretch-amd64.ova 8d5ec0999e718db4797c243859534198e4c7e6c15b1111b4f08700308ca81bd62134a3ad57d2303c1f6736e5aa9c0ea8595bfdbaf7d0cd0fb89737e36275739b turnkey-tomcat-apache-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tomcat-apache-15.1-stretch-amd64.ova.hash turnkey-tomcat-apache-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-tomcat-apache-15.1-stretch-amd64.ova.hash turnkey-tomcat-apache-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjsACgkQhcJelaFu uU2YXQf+LOtkJe2GMRl3+ZGiQi1yIiqXpPs0ysGzUdlSXoC78nJBbe22JApsz3Lr nuqM6FIgGhcnZ5ziOdNW8Q5R0LJjcgTki8Kw0Xo3FljwijjSWrD7yK+bUmCeGyO6 /2+d2B7K3LzNMLsc0Yo2uHAHtX3A16cUyiMDCVhhU65CipRcZvj2eEKn9YYNwma5 6Viqqbu058tDdwTQ8iPnbtgPej356Xq1wqvhIbxdapTHcInyqBdxdIdiBvA7l6oE +iKMBAAuBWJzQO2YABbxzjj6pWPxBcY82Lgv/vHYdgbHDybpiiISfSCCySpX+zPc b8737gHfCf7nY6B+YwC/zbeatB298A== =Hzoa -----END PGP SIGNATURE-----