-----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-silverstripe-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-silverstripe-15.0-stretch-amd64.ova 438d877e70cd477d9b7e5438b9769191e91d5b274add7b90fbf0eafe4a1d770c turnkey-silverstripe-15.0-stretch-amd64.ova $ sha512sum turnkey-silverstripe-15.0-stretch-amd64.ova 3dc2bf15ef99832e582ddf5d80d52707bc2d5614c8999a093c8b57edc723545576778173a45ff4f0a1ca96a41398e5f773f183977b1cdd76ea4e79b441bc510e turnkey-silverstripe-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-silverstripe-15.0-stretch-amd64.ova.hash turnkey-silverstripe-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-silverstripe-15.0-stretch-amd64.ova.hash turnkey-silverstripe-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte13EACgkQhcJelaFu uU3KvQf9GS+8srbw/VoFZvjahV3qQePt36sT1Fe0usNX6RRLFNiOeiQwhzTIvtaL 0bg7j/U+9mJ0rq0hMLY0sBxg4MkuvZqB+YvcIxkBJm9JcfPoxqa3Uz2CTiuC/xmR pCA4+B4Ya9HuPOYUV68JVH6xBNimN3PWm0K4yx2t6Q6uGyJ51OM9qRNXL8P3pjCB 11MNi6/BN1Wl8v0cBvDSCE6D6aS5rjO0lRxQWJ3OMEkhI9+dJxJfuoyQWlvhyTlj ZgQHhSrDwgP6Ji4/8O1XTICoLlSx2Vv6PzPThd261ixr/vEtYvTA7gutD4xKusqx rmzisi0LAZZqRAQ3izhJlnA2e3vG9g== =mB6f -----END PGP SIGNATURE-----