-----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-15.1-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-mambo-15.1-stretch-amd64.ova 8846ef56c1ad028793dac99e6ec9effe3774e8dab37ac5ffaf33e11b1ca0868a turnkey-mambo-15.1-stretch-amd64.ova $ sha512sum turnkey-mambo-15.1-stretch-amd64.ova 23db9b14bc72f4cfa89478d5b9ad71fed8b65af98d984c5dca19efc784b4478fdd63e4c59cb659da0153b8109ed9b93c50fafa97f2af51c1a7e80feccb04dff2 turnkey-mambo-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mambo-15.1-stretch-amd64.ova.hash turnkey-mambo-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-mambo-15.1-stretch-amd64.ova.hash turnkey-mambo-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pigACgkQhcJelaFu uU1HtQf/dhFtuT6fG/Kx275IoXUbliyJ/7o2Ez/o5u7gLFXUi1btD5OrMLxd+LbR FOHf/s3JRr1tWyOdB2KSHjr44xNHEo1CXUVtBdpzf/f3xI7tFzUuQkOzNKK5+DYu 5mJEn0ASOoisMZ64rHOPdIfjzdUKN3CZ6xffmghtcpt5GjBvcc8gHMpngI4d7aIz RrTyc6XiJT/Av4IMUWZdLOei+K0MWRChOUp7uGcEt6aORz4ta8isopGDevzPoGw8 +cnbNWX2IKyvGoQFZ+grfkpOR7CaEfBk8+cdEpniqBURI3U48d88SyIEjItcJHmN OFsusuysh5y6oSX1GkVG6/t8ZL+5rw== =u7/H -----END PGP SIGNATURE-----