-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso 243e1387a18655b53dbd9183c62eec248f4e23248941011a2627b0b2836e2179 turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso $ sha512sum turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso ee284bf5bf7d629527ca5b56668d3d800b3dde6dcca61f14170e0120ea947cd8ad34465d9104342fb18140f9efb7bf8a35c77b8a77d3d1ed049769c3249027f5 turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso.hash turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso.hash turnkey-lighttpd-php-fastcgi-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b5wACgkQrF6wBJPl vBwUoQ/+JxZanY01uORuXW1V/aWi+OBBdu3QiJ+kXgGpgxc5wqb9uxnVT1euBzdE tUTIsjwX6hVh5W+SRynzLxMb80rI5p+qqSr7JJTsBHu3kc/m23XhTiQd2M77uaHm /Zg4l5+pW+z+u8WnnueB19O3EJbDeR2wdT1RgZaUp2JoDvXK9ZbQ7cNS49eoWnYS OrX3k7CwZOyOtMAPfxhDhQdMTHh58HHjblA81R4SHSA7/CTFlCle0DWtWADiv1PR 8MR3Y0zKXo5b0OqduQ0xWIkwJgO6KkxonXjyYwi0uPAcUaauvszUnpanxEQwkqVA ntAgJ0yj1oeicmxkvMlDP0aJhhfzFdE9mHGOlXq18/C9ce+FtM8H6iBbbAf42A4i A0UqamzcNPVBHoD+SBX+pKkiDyh99jESceYL9uiQHZUP4ci8YXCHU3wI+5tlKZPT KKQ6zgPdDQM+V6lhkVr8+W/IX/YOfKL+8R5drDYxAxNKvzv7VDvETQGdmqFhojRO uNpo/PrlKewTN21pNr5ciKYsyL+21vST92IRguNyBVlNfvMVvBkeroXM16u42kHs DiEi+/7UfdyFATWN6TI4cK4evK1tbFuolwZkKQA8zbXm61abA3AmUi7rXvqvvgk3 8qXoC63Ax+hkq6NnJRRCvwpSzNOP8tSsaUsIOVSwxO2jYQEtOjc= =Y/QH -----END PGP SIGNATURE-----