-----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-domain-controller_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-domain-controller_14.2-1_amd64.tar.gz a464e73b701a099097d44f8d099790aaf25047845c0191a26fe024b388ddc2d8 debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz bf6858185fe194f97cc8aee23badf165f31d84753e9f9d663612703271bbf7935af4ee0a3e2c45bc264727634954d6dc97405eb8cc8b3528ebb6748d67d5b8de debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz.hash debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz.hash debian-8-turnkey-domain-controller_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZfb14AAoJEIXCXpWhbrlN2XcIAIsT3+oZf+U/K+gmmB6aEUGO qC0DJ+EXVNGekqtHrgssxnbOUI/fvTHNnjAy6YboHw1/gv7QbfnODKXByR/ryALC Rk6zY2l8xb/+GahxH0VNut47aBptV/Pb8ZOzai1Q5wdlnjHgoPBw+woxfgBKzSTe bRjI7DWUUCX6QVG3SD6y1SvvW89c89ca0VTwuiLUFuTacCbBAPirXm6wu3Z9pZVy cPP3/Y2MN76yzqiRCVB5PheoJxSfhedMOgB8aPG1Sg2qouhNFw4FM7torUEC/cMa eaRKxa/0p/rCK871OBQ5skq9JYtP1hIw0CS17TKK6y5p514tsDh4nTZNJsnu8uw= =fElj -----END PGP SIGNATURE-----