-----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 turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso.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 turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso 4a2998e23ba5d669eaf052fe5175aed18215e4805b7d24ec24fb3ba3c9f0a387 turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso $ sha512sum turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso 29e1793b4e88799d91e77410b6e519bbd35e5ce91aefaea1cf4ed6cfa40cac8eab5dac84518fad7e19a9a57363b97c83c49efec6b70f4a9f6611e67a76b4c7e7 turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso.hash turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso.hash turnkey-nginx-php-fastcgi-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNtXEH/0juBTOlgeoYIpcHfl6stY51 tq68HWAGfTZRAChCqBtwkIyBsCx28q79g6/Do6bmlVjsrqFbU4JNjH4KLSym0oDs JSO2fSgzZmxSCg6Btk2mvd+Dn/CeQBF7Pda3mSKCtMH5ABkCLDs6hOlwfnNuYAhV xKbk9Yn0w4GgD5rBFvNA6LPuyEaKbMhMVQvbPOAvOC+xF61diBVdtk129IX+OcQ8 kMLPudfdMUQsyUItS4PFThF3hn3w7BU2QSxT0Y34Fldvn7hqzFGQ7ElmHb30Eo/l 3iF3w1kILMfAjiTZ2AHMSNok6yLw9T6RtOeSgfacSke1HnU0Rp47dA0x9bHwbvo= =RdU8 -----END PGP SIGNATURE-----