-----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-limesurvey-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-limesurvey-15.0-stretch-amd64.ova fdde2b326f8932ebd3b5c4b671fe27022ecb58c148ecbc7251886ff2e8e58cdf turnkey-limesurvey-15.0-stretch-amd64.ova $ sha512sum turnkey-limesurvey-15.0-stretch-amd64.ova 7942335ddd1d35b94a49c2cb34c7625c4522a426f50684a39d54258373d3d254da1f4fc9a61214cb94320febf7251d996025bb895c4029f371a8700e957505d0 turnkey-limesurvey-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-limesurvey-15.0-stretch-amd64.ova.hash turnkey-limesurvey-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-limesurvey-15.0-stretch-amd64.ova.hash turnkey-limesurvey-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12YACgkQhcJelaFu uU2HBggAuC3ovPloXKScfamgCeCLl+MaMVEkSdy5yay2P6c7FK8QTIelS/1FDV30 347pyRy3rkmLr729v4zgRM2ShEwHka/3ISh7y86PzP5I6suoRV6Bb7inRwJKF3Zk oi6Edn+ngBkrWj/79pRM70/CFej9UMJuD3dFnH8UoGWAA/Ep5bxWvF6TzEvwfNiE U+C6WajvAIXJ8tQVBC6wGQF70AJWPLxrrsy+et4SpAb1/QIqZHpAexhsrnV7m7lL nB6RVVyjsDbNd4XeNEONSWANNUnEZC40XvGWtdGzQJFaL0vr8KXj8INd86bupzxh eRe8moOESxq5oOcY0cVXfN4BXFH0Dw== =S3rE -----END PGP SIGNATURE-----