-----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-otrs_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-otrs_14.2-1_amd64.tar.gz fd2c2fe9c8775b36534d71442ed1ff87b05b2c1e2b0ede4260e42c1ad75eeac9 debian-8-turnkey-otrs_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-otrs_14.2-1_amd64.tar.gz af0435a9552e28c9f012e95c30172a86aa7fe0512ef9667b8b682ca1693d021dbd2fdfb25a859c25ec806ef2bb3b46d1fbd9ee5a39830a0f97c7359da4dd9133 debian-8-turnkey-otrs_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-otrs_14.2-1_amd64.tar.gz.hash debian-8-turnkey-otrs_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-otrs_14.2-1_amd64.tar.gz.hash debian-8-turnkey-otrs_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZfb14AAoJEIXCXpWhbrlNGEYH/3WBoDVgWxIE9eFmlKFGgXun PwfInReHVjF4HwVmMv9myy15vNCqSljIZOEzqABpU+qYuD02/yV3JC3olKj5QWqG SEjrNJ07xi+/nhhQum34u27mKxTvagvFoOdqdRhtIeJCttNvII1O5gyKI7Ai7C9t 1BGpRU/MxfTJA27tJP3WSZHPQOSS5tvFCBTJqdYBeBFxY06zYXom/deokydFm2d4 SvJPqIPktovB5N41R/BBgjcOgwa4rLSVOlv1teIOH1x/jNgIe8by+3QmTj3gUoHM bBeKc+kvBRRqKo4GtpIf3mZFdUiSxvqV6t5dri8oe+dnZZUi1MVZNN/QFdX37Og= =bPQy -----END PGP SIGNATURE-----