-----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-mambo-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-mambo-15.0-stretch-amd64.ova 96e6b89237251bb5e53002c4787869449abd04808d910320dd29fa59c0a69808 turnkey-mambo-15.0-stretch-amd64.ova $ sha512sum turnkey-mambo-15.0-stretch-amd64.ova 3807f614a72f8532922e58c6f1047e6ef47005c10e9f128f951e92a5b79d94b9592510e4bba592f63deda740ce818c9cf7a1d70dfa2032cab79a432ab652fd4c turnkey-mambo-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mambo-15.0-stretch-amd64.ova.hash turnkey-mambo-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-mambo-15.0-stretch-amd64.ova.hash turnkey-mambo-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12cACgkQhcJelaFu uU2avQgA3yoavTHKS/w0GCiX7MjORgupaV6TyflXVMZajIAWcxl9E22+6q9ARrT7 4ENVvmjJS8GM4AlUM03Fx3dmFI+7e4/SMKNKBRFV6H62anCFna8WYlLSdfWP77VF aTIF5uwqx6SwQJ90PfGskzkgio0He3xFM97jAXXxPFQD42ykQ6e4bAMsVhBhnurt 4j/XODY7OUPmyWm3IhmsDfH9qPijepwQzfp37JRvkql88L58TicO06NSfm2O4N2v AufI8iM21IH/uILA20t3wjH8MLFq5uV4fncdd0oQ3NS9nixq0k/e6S/TqOFO4pPj eZv+JBTZ48IE4VXAnEwumk2DKAoK9w== =qh6m -----END PGP SIGNATURE-----