-----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-concrete5-14.2-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-concrete5-14.2-jessie-amd64-xen.tar.bz2 9685a94075421a32bef9b8f04b4c7a4a12649bd36387d8c61309971048b58dd1 turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2 $ sha512sum turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2 1cb3e4d33ca6c9928349784ed9aa9d0d9ccc6f192e9d6c0a8643ae81b7a58eb620fbef4b110b9eddb6eea7c70a9056cc23bb2b9529d74b17a1c5af8acd2e903c turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2.hash turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2.hash turnkey-concrete5-14.2-jessie-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo91AAoJEIXCXpWhbrlN0uUH/070gTfdPQlTI1LdnbHBmBKy mtVod080IRiOfWOP9V71hIvKgx0DIaqHaDPn4Ui6RoAikV2fjDdkhy6k4oNiUBwz oCPIHZvXQNRN8gDiXsxw16QJnJzJPwrciWyAQAi0/ETMWJBNfosWA5wDzaNaIomy 0y8G4/opM/eHHn6N4afXmi4aN4IsvhFDKRqQHPXtr2K3/zva3sq4KhV+32Y/qBCo eueUuK/jD9U4blYlJu2mxqV5J+BCIsl2J7S+bUCc16Vf98DdryoZ3xF+spyGG7sO 1wyF5pScXp/43kmMGJlMa/6MHi1uGst2xdA5MuMDHJ7f/4jAk5I6p8wjm659fd0= =4E3Y -----END PGP SIGNATURE-----