-----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_15.1-1_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_15.1-1_amd64.tar.gz 19e02a26150358ae62396bf26be2140ae15d46eda5f71b05d865860e4a79f106 debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz b1ffda40de31388a097a42994efab0ee2832ebacd4f39a104bbb06cbf7bff492a7e6b77f0366bd8d9b3b41a29ad48e26531aa6919411eb6531c96511a0a790e8 debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz.hash debian-9-turnkey-joomla3_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOoACgkQhcJelaFu uU3B/wf9Ed8pDMr0chraUDdlwkpCJi4nyc59uOTQlAw+keN26/BOzzmoAQ5Jrcle Ot46hEkG6oL3Jafp/0Q/crQNDL3TGzvsS7ZCQ5OaOrQNs2Z2pLVMjXVasYAA/oLn vR27FOVrJLfwwqjqZoMtrrNuyEwOlfUSddqjdTIUwsjsGm2F/2EI4KnQH4Gexgm3 AvEspJutV7UrAm1jLCJyRgbCYQeKpLDw4anINFv/dKmBDn4dhJ3Bk5ema6joCp5Z i6a0r6HvpERXAmssVM+YSMnUY3WZSjZ0tK2sqK8ofaixfOsHTg6xtrmOjBHIbNcz UFDWxl0T/Rr4sNybAbzFDWcM5CrLvQ== =SPrf -----END PGP SIGNATURE-----