-----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 debian-9-turnkey-xoops_15.1-1_amd64.tar.gz.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 debian-9-turnkey-xoops_15.1-1_amd64.tar.gz 5c0f733c2afe39349a202e16def3fd86fdc64e3b7a383c2a1cbe9b5cbce74a3c debian-9-turnkey-xoops_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-xoops_15.1-1_amd64.tar.gz eb92451c6514205789f054bd8a31457dabfd8b8862c34d863045517fc69bd1067ad1b0b26b9c994865045a3c81dd2ae377e34eac1cb668eeb180dde59f981607 debian-9-turnkey-xoops_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-xoops_15.1-1_amd64.tar.gz.hash debian-9-turnkey-xoops_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-xoops_15.1-1_amd64.tar.gz.hash debian-9-turnkey-xoops_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/phQACgkQhcJelaFu uU1dTQf+PqbHuKxDTQgMrajOntRqJxywQKHeU4LegUw2OcTu3FAsH8fDeT1EHSIT mRHUns7mKgHUzhOLD0jINuBHJqEeqLOAcESwEUiOGtRbuz9/a1zPHAlZwV0DI5vU oiX8v92MYfZe//wd0cRNjWmTmj9DunbR5QKCG0n3tZhYnTJZd6vw7ao8NVHUZYVW H4ZZG/52dXeJarhhCguct/Zuoh7MbxKvQNMr6HCfkhD0qRH7zIe9FYFSqQ19Xopg smEb+Lf6HawOYKhr9kgwq5hV10txA/kzK6Qu8lmCf956daNPwR9m1PmTq8xz0mqp 9J5wYVXoeyE0pIJZohccaEYVx5N4+A== =SuxJ -----END PGP SIGNATURE-----