-----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-lighttpd-php-fastcgi-15.1-stretch-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-lighttpd-php-fastcgi-15.1-stretch-amd64.iso 692836ad881be47f4b8c53fb534267d4c099b615c9b268a60e8b2b19f2b6260d turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso $ sha512sum turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso 010844282fe2fa8659f3dd273848e3e20a1b1c63e6088b05231cf0ec5b5c09432218b6427d21575a3be3ac098f9fae0c740ff15f5a20cdc6f22abf92fcd289da turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso.hash turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso.hash turnkey-lighttpd-php-fastcgi-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/piUACgkQhcJelaFu uU3rzQf/Yp+ANINOrRtKVpuw8QpgF3siEZK/afZXAPXNwXdclCbsoYvkhC+/yaHd c0wAcsObr+u3LiWMVr9qduxLdk2eS5psu1EYkSV3aGl6J/HVocRsK89mpi64EHyQ 5Wh/w6IUM5eO7461hTPBYCXOFzABsEGc93Hhf7cjR/5Krk5sOO8N+hpKkauyraW+ bCgcEZFiW2/cDs+Bvr2Hriv9KfQiGH1bRR3ryjesLx+zAGr8b2sim+wkDY0ZBJbG S5G1w+QEFStWcCM+8PSgohSIe4E6mUpQTsXRKtIBSWHwd9IPm5Ns7Ueldq5n5WeN za0icb/3zJNroBYKH2Q6Djbv5E06/Q== =0Kf4 -----END PGP SIGNATURE-----