-----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-drupal7_15.4-1_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-drupal7_15.4-1_amd64.tar.gz a132e0736067594178b3c50f815afce1414664077184c6531548397b5895e6c8 debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz $ sha512sum debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz 034dcafaa1dfb0e0f0c4e6404a2fa38d117696d3b04e0b1ddb5d1e9aca6f6f7c24bba0029dcf34e237845b4a023351642fe5c63daea00d9f59a86d8a42083235 debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz.hash debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz.hash debian-9-turnkey-drupal7_15.4-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEIACgkQhcJelaFu uU1DgQf/S/q5hsSvRG7jUz3oVTNKjXHL20CTtmMzIKJGvaufThIRjmtdPqEzR6Vg IssdrTR43DucBiV8yt05kNwOHwXXx8MksW5veyUuVXkMsALlUpzzvLd+waIZDHlz N6/C1PeZOt93We3mAo2F+NYmEs4zNkDNrRvETSVPnPzIXtDrPIj8ed6RApxK6dpH Gt0DrSgh4TLpdI0CaQH45NyYnjKKJaVtsqLU0kUX+qKH5boRjOEVp8SkOdWfDKUF cB6G2qyUfH3KwRCIh52PPmcSY6GFI5LB2AOETgJWxbqafjTuJNQQZBnfOtUmrSmX GKs9WZMrUDIPSOUkOY1AbraJBfFmnA== =iFdz -----END PGP SIGNATURE-----