-----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-8-turnkey-canvas_14.2-1_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-8-turnkey-canvas_14.2-1_amd64.tar.gz 7b498ce73ea55887430e154e4d83112daac9576c58cf267eccea4e02262f9af0 debian-8-turnkey-canvas_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-canvas_14.2-1_amd64.tar.gz 0e4d987ab1b36aaaaad82bb59351c239874ff54d8b30c664aef8a737d530a1d6594688763e81e1ff1d0997fcc1c57659476411a9744adc36ff823350c0f9825e debian-8-turnkey-canvas_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-canvas_14.2-1_amd64.tar.gz.hash debian-8-turnkey-canvas_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-canvas_14.2-1_amd64.tar.gz.hash debian-8-turnkey-canvas_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZiZekAAoJEIXCXpWhbrlNp8oIAMErbJLHclagNTSXaQdyAP4F xMUyE5tV117A8ukWslmAO8n4lYi+4uWlUI1m3qUo6QzCPiNeWlAhmTO+47OQxqK+ 8jU9Nvcc8IypYIv09fWW+HjgONXMg03/3rv+qFsU0ZzIjBLhGUsQzfyKcdhl+ajd vMutzkPDYofMDkf8/PgLrZ2la0H9d2OE88847QySk8Rpg/+mZKJrNom8KUZVLsem Rwky8w/IBROWU3Nm++v8V8qlP+Uxi7d+z1n1tUW0STLhj06tMLNAf5b75EQvMp50 4p2uwpVIkuBbdHZzmUWYYfT4RLvwtuccRgMMFI1xjY33+yVtktvK5lFAhC/yaBQ= =ERzF -----END PGP SIGNATURE-----