-----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-9-turnkey-joomla3_15.4-1_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-9-turnkey-joomla3_15.4-1_amd64.tar.gz 573fa7b14b907bedf907092e406054fc9793d236c1e12e279517e05f80edfac1 debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz $ sha512sum debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz 8e87b27446e1da8165bdea23c3ebf27352122ae25e1876da1d6fdc78a8216affc893b1368f94557b1be6ae8005c4bd8237134fd433cc983b2e0fd6a33f00c272 debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.4-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlyZ3PcACgkQhcJelaFu uU2BkggAgyLYN/it1hCg2yNQDNr5HuJSDK8NXbIuTJFw24ZLm0l2rwJowfVs1bMU z1dY34258uBc3L+HqW1y35mth6TgUFA1B6KW0tzJhnJVfO51lDD1KUIn4P8sWtCV U2Vjk7cRm1Ers3TmHokvpVM2WbS8r4sRgB5TK+VpIwj9/osYqIcRLmOyKw0LQ2pS kK1eNmMOzFO2V4qcBsTwx5wV+eq95szUaptSsbnzmKgqYm3YnjRxyGKUelEnGHq5 R4s0G+Tl1vVndtfgCLkBee6Ou624/hHTQqDsGpC6KJQ4P2W/8yYwGowNThyEbNdw Dt+th7ZAhEdwd3eOt96c5+p9eiCPDA== =mSNQ -----END PGP SIGNATURE-----