-----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-lighttpd-php-fastcgi_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-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz ef7a8f926dfb917160c2bd5e97627533a545c902aa40a5d5b04299e5602f8b51 debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz 6263805452d6c28e349f5e810034b8bd6cbe03c2c80c4a9d3a39778f5dfe44bfb20c3c13f5eaa4e25c69f72f057e55f4049cdc5da1bc7a2ea06a339c3c672117 debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz.hash debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz.hash debian-9-turnkey-lighttpd-php-fastcgi_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pg8ACgkQhcJelaFu uU2VIwgAt04ZlmWzksuGNpl3YxAAHQlAq/6hLc7CTGcx2W0HSRgf9vf3h6U9PyWP 3hbi0UodXeLy0SVuLQuE3cEnqcM5ufK8OWBxSpYtFTUhAUlXDl7WkyDR0Yz7g5CW gJECTf5jyiSy17SXVSZU/0hECmzuZiY/rJ6bQC5pX+N146hLBGEondBCzsc+SoHX zJDKqAYqM+w7HEJ7z9rejnkXBRnuxmWeHGE8qLp4mifg95y1PzUYb5TsjRNWQRWo VrmNFbS5V2qPN9LEBKn2OYFHhXBdM5bO1R9obuVF+fGz4r3ay8g09RCFl5j8zkkj +NAEfUONn91dh7kiFUHgFFhYXjbIwg== =iK+p -----END PGP SIGNATURE-----