-----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-moodle-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-moodle-15.1-stretch-amd64.ova 8ed6c9359bd2b67eeafd7e153b4920e9286acfd4f1feec9d56cebd8cf1f09366 turnkey-moodle-15.1-stretch-amd64.ova $ sha512sum turnkey-moodle-15.1-stretch-amd64.ova 552869da886ebbae12b6f1fd12afbb867a3621380ae1db6a88f4dbc085f4bbe662b62d5a146d05fb9387b9965a768eda8bcb90b779a5479537c46343043b71b0 turnkey-moodle-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-15.1-stretch-amd64.ova.hash turnkey-moodle-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-moodle-15.1-stretch-amd64.ova.hash turnkey-moodle-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pisACgkQhcJelaFu uU2sagf/etAPOuhchxi+QvbsW12oFlymhdbCAI7qA+Ko5OQYsk34W+uuabOohe9l 00nmkF9XzcNhQY4jHkgBinmMEUDMNZXkME+h/MchCAbsAC677KM1Rfas4G1dTS6F h+pZbGCzy0XbsIL0aweLFguieu1MSOy9EnZJUG0rniLIAY2XAdvioZ6rmCkbZBlO hzwXBPpxYgHZpjbR8ZLmPldQ/i0biqL3fYZ2SP6tDzpAqwQRMuHVhoD4olP9KxL0 dTXI2lyK/aTQ0meQfKR7OhD2vZ/nx/83Z4DcVI/XabPqmZJ/Vp7NPUJw2scw0BrX wsAoL/5gaYFlmv/15QzDxk88yVDOKA== =gPmU -----END PGP SIGNATURE-----