-----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-8-turnkey-b2evolution_14.2-1_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-8-turnkey-b2evolution_14.2-1_amd64.tar.gz 114d3d171b25e9901dcd2bd653663854bcd7e6082debc6173f818984ef9f38ed debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz 9f0822dcc4b801507547df40c235c32023a9ae7e4f47f4b9c06a0fa1d051de1f9755083c7935ecb5a0c309ff91ff1e7cb9da82e4fb718c6a9790e7e55fec555a debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz.hash debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz.hash debian-8-turnkey-b2evolution_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo9tAAoJEIXCXpWhbrlNRXUH/R3xhD1GdxmCp0sBuunZRWUE KaSntw+qFOKLFkBxp5oyQEtX6p4PeUiVtNhI/o2saIlimjTeC5Kf5fsm/IKBSHzH P9PN9kFdVVZhsELcJXJrampo+W8H91+SKpQUg3iTgUwaduQJO5jVq9WIKVipk8ws yOTY8e1aR/7PNxy+fAhVGy9i7zlvz2omqOPdTiwzlxT4exewk8pQnXrSJWHdAHNl lJl2AZpnhZDbXJ4AoJ8lV7f+mYaFkpE9TgEoXTBZZDXARZ2gCUlverW0X+maC7fj 8v9+qzbKpFZw5mkkW5Iamq02ZdGw2m3A6u9oyijx1Z/i8elSHIkBk4zJEAXWp1U= =c981 -----END PGP SIGNATURE-----