-----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-concrete5-15.1-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-concrete5-15.1-stretch-amd64.ova 2cea5bc55e8a98d6694820cb6627074fb2bde1fabef8fa06ec1ac9f848e1cf1a turnkey-concrete5-15.1-stretch-amd64.ova $ sha512sum turnkey-concrete5-15.1-stretch-amd64.ova e1cd91d34bf512ebe2ae1f9b2b5830046b32eebdfa924502107f64338846b7c711811934c0231f353c22c878afe4192c3842328d960d6b37c9181d6ec16ef1c3 turnkey-concrete5-15.1-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-concrete5-15.1-stretch-amd64.ova.hash turnkey-concrete5-15.1-stretch-amd64.ova: OK $ sha512sum -c turnkey-concrete5-15.1-stretch-amd64.ova.hash turnkey-concrete5-15.1-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phoACgkQhcJelaFu uU3uAgf9G2glb3UK973ltbTmvoCuSIbYTt23pLDyqaUbss7eC6Ght7pv6A+4CSOl f43qnv4qkmjg9px8ZjDIwU8pSrD9DdK+I8LRGEBlqLHzP7OlaQzyDGt8DAVJLslQ EpkM/goNjcTa3QHaEiZoK+8al7xdBgKcVNULVsyA1lOGRIw7Op6DbyQGyq6iHL6C dINFcdrUnzrCGx4natfCmqvkvtgsFRhV4ZoFT6IQtfVsJnYA6i5x+Yh78xHcjm/4 UEWIQjrIyi/BlOBu7F1yWqHQFKPx6vm/66xMvY75NRXi4O2F0o1WGx2zaWFxRNTX 4yYbI1gEJ4k09v+uCWWOACcLCo9wjw== =4ene -----END PGP SIGNATURE-----