-----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_15.0-1_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_15.0-1_amd64.tar.gz 4abfabc0e376ed522ae4551713aafc852bd1442960db19046e133c3d923f93de debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz c8ec3ee5d11422626d81429e2fdd60b146a306c35f8460ba56a0fc4679300dcc32e894948bc6576d74022c8c53a562479df947515f7d8c542e2379f9642fa07a debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9YACgkQhcJelaFu uU0pHgf+PignTeF1dZeUq/2RTsl5RKKPWD+f9vOer3UeiHNoLUIswT2N4LurXz49 5quFykUkwsa23iAsoWqsGVWtSuhmmDaQ6iGL1y0bUgV6MBppSNyx8WFZpQpv3L7s tmP5qI1Cvux+EJ45EfmH1LiTEsGI8mRue8ujbS8RZ3FcAydfW2YswmzaGmCvyxcH Y0hWMoTDVV4A5culo5+YpX9UFn1ZtoUjQloadlZFcm3pDc2I7HYTjis9A9C3JOyK tiqc7sEYqouGil++cVU0r0U1ez5wvKsHYBUnsftIadmXcRDYnLao3bHncGXikv8i 07lqGhcwLKMrYZyouorafLj1uFSq3Q== =UkUX -----END PGP SIGNATURE-----