-----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-codeigniter-15.0-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-codeigniter-15.0-stretch-amd64.iso ac23475e1ed425c8a5fb3ee352f2337c9757e148e851a6b55533d7f975953bb2 turnkey-codeigniter-15.0-stretch-amd64.iso $ sha512sum turnkey-codeigniter-15.0-stretch-amd64.iso 235aed9b384c699f8b3a4dab9240cb4e403421683c20363e97367cd56d7b88c6515426572a177166d8a466b550f4c45539849bbd11b640e76b7d5daf75edd7fc turnkey-codeigniter-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-codeigniter-15.0-stretch-amd64.iso.hash turnkey-codeigniter-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-codeigniter-15.0-stretch-amd64.iso.hash turnkey-codeigniter-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTgACgkQhcJelaFu uU0jwQgAs8f5X/uP5fOCa0ALCXIHhxBD1reyB8V8SQoSkVn18cYEOzx4A+YVcZXX RXN2vzVKKgJHJD8A+m0o3UWfBgnukfhF/ESYV3IGdpI/16h5W4mubX4EdnL53qrs bIPf/QFkngfAMThdngxj5VaVMPWO+6BSVX28Yw4DG8Wqc+QgLbhrT6VIEqGnBLVC d7QYOWRJLhDakpwRjUsWdBw5pi4F0TskzHf8gZ+fZopcvWkI5rPtXeQScvKCg//E dzu9MVqgRk6vcjH8XNwCFqbtGSggvaqi6XdY/hZildseyeYSBd8FP5LJtia0dzhF K9fZNxYVea8HkJsYEMW+upJcvTGDAA== =GtWz -----END PGP SIGNATURE-----