-----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-b2evolution-14.2-jessie-amd64-xen.tar.bz2.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-b2evolution-14.2-jessie-amd64-xen.tar.bz2 46671d302eff6a34c04ffe48fa5ffeb5288e0449ec205023a5f6fb1eb19dac70 turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2 $ sha512sum turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2 df55e58b8f37d6638efb56307c7c1b694ea21f781a9963f3cf26a526d6043090b02501416c700f39b49300bf8d079d99589376e253c86200991676919a1ad9fe turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2.hash turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2.hash turnkey-b2evolution-14.2-jessie-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo90AAoJEIXCXpWhbrlNJOkH/0F656CkZMlF3Ka1FsCSwuh+ +08wVhTgNHeW2wy0ZrElOn83zGV0/2Tsf8lhLXTxFSkP3JBcOFQgh/8Od/oTaqVD 9Czy67M1/bS7jqIfDZLGjZrIu9ZSJrg50q+oUaEWOn+w72KiTMk2jNJjfIuTK15M Y37fgAUXoPVanbWHXsYbX2PBTTu6zTvMTeSb4M4c+hVa5zcjGu3vGeEIy45QlQzW rxr7ar63nkIym3Tgj3J2nl1rnWDvDO9gt+S3CIVyP9xHf1THVjXnc4MvVs3i1pRh 6Nb45M29+vVto5V5bJ1NS3Rx1YynISg5ZryXXJk9YN7qEnlzKNu0GymVyXzfw9E= =Polw -----END PGP SIGNATURE-----