-----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-nextcloud-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-nextcloud-15.0-stretch-amd64.ova 6767dd26eec4684b0e24eed91baea4c414fc0d2c83d3989bbf774788c08924d9 turnkey-nextcloud-15.0-stretch-amd64.ova $ sha512sum turnkey-nextcloud-15.0-stretch-amd64.ova b16b6c86bc822b623821fb33fbf2772c4c04914c8b0161d139cc4f78c83d4ac3d02b2d5dbdb72d7234f7a3f14d04e156be7182d1c910e0fdb72fcd50b6179e65 turnkey-nextcloud-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-nextcloud-15.0-stretch-amd64.ova.hash turnkey-nextcloud-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-nextcloud-15.0-stretch-amd64.ova.hash turnkey-nextcloud-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12oACgkQhcJelaFu uU03xgf+L8TTvBj+r3nidftqt4BAZX5StDPjE27vKlqkfqNPW3M+Ri0zQ959nLqa FR2ABZmbGUMmt2nCBljRxnf3aw6MBg//DBw1rge5bZ7BAy4Nk8dk/XDpmTcnU993 Vw3GLuypplGkHm6f8Gn3UWZvBxJSgXMixuJz3kW6U9ttyuwX4GP0acpVt/ijdTYe DwjcMa4dKU+ZSbwYpHvdoixgIiuvOcBJSsfIptJOanPJepIXsNoD2DkzoErUZaJf tdD6dPHEdOtqOzqLgBQCYOMTJ7gVNtSp9jNjYAKeVYlI7udaRQwt69yL0G+FA4Qb voRU7Izcpq6+FwzPftzgM4ZcCknPnw== =f1ax -----END PGP SIGNATURE-----