-----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-fileserver-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-fileserver-15.0-stretch-amd64.ova 26ce69ed0d053900f4c4b8d6c7c55aceca70d52f37774d627edc6177886ac921 turnkey-fileserver-15.0-stretch-amd64.ova $ sha512sum turnkey-fileserver-15.0-stretch-amd64.ova 9f697b40b948c572ba56ad91f0f929f608849678fb6fd22afba549fd86e4610e4f1cad8f05f4a09db06621eaaee90247b307b880d053b7125f2e0b322f9aef43 turnkey-fileserver-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-fileserver-15.0-stretch-amd64.ova.hash turnkey-fileserver-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-fileserver-15.0-stretch-amd64.ova.hash turnkey-fileserver-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPIACgkQhcJelaFu uU05sQgAg5nKwQYUpxWarkAe2Kh1e8Sr7JeyXzv0gERvykDOCHs8A5QGrTokES7M b0utPQ9XLIxy0FIbp7XbVvaompLAL/Xdc3QUP2Jz1boSORYvK9J/zez6YpHoFmpx Yaf27e3eCHM7SBdG+2Vjv7vwbwjl6xxhOIqHdaddWY/fUsFb1XatM4stJZKhU9xC LUzAv46BgNlTyNjJ7/G1sOSihZrCPAigjOpOEZ+Ga34n/yn3HBxniWSEbHKQfVQS r3bbM8ubpkJ5UBsvROgGXRAxLwjr/jwofvUgY3KctheXeO0N3cLNNhJPKKhaVaXb +wlUYEsQFIV29ckCd8cXc7UobablIw== =NReB -----END PGP SIGNATURE-----