-----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-nginx-php-fastcgi_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-nginx-php-fastcgi_15.0-1_amd64.tar.gz 05fa226b1cc9477b5957e9c3e98e3ca1f641d0f2a723c5b09b3772961bfe510e debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz c7e5499339128a5b8905561f64c70bdfd7535367da0e94ab13b4423bd6b62fe27424f7e9f2707bacd680eaba1ad06ceecea2b7cc6e8d881569732b46d2bd89e9 debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz.hash debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz.hash debian-9-turnkey-nginx-php-fastcgi_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9gACgkQhcJelaFu uU11XQgAsd/4mGzN6M+QRI8FEIXjTEAjGYPkM/SH5nvMfgmrOH6H009nHk7EhPRZ BuBDAw7gh3/Cio02g+ybgVPuUufqQzMxZ+HBKcuWHb48FGdt0EMHbv0mfjNlVxv+ LZHRu7AKQT87eZhw9QoPXetU0BsTr+MFb1uQb7GROCVcf9U2ogrnlGBISI6U/3i6 pRJ9HeDZNB2u5j3UeBBNQ6IBq1jhJIMhhtDFhjAz2hf7HKiBTFOS1yhY3XY1s8yM PP1s0z48GuqqG5HvtraaldXZ8Q5ywCwU0bmkYTu+AIqPiXTAASphmluOZYanFsZD q6VvwvPpDlA8h/y7gQV3Ok3rSZKNbQ== =F1/S -----END PGP SIGNATURE-----