-----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-lapp_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-lapp_14.2-1_amd64.tar.gz 672570ee9526fcb1924297bfad24c44989a3e21a0ca9e5608ce231fb99872940 debian-8-turnkey-lapp_14.2-1_amd64.tar.gz $ sha512sum debian-8-turnkey-lapp_14.2-1_amd64.tar.gz 4e103679935a683a794a8471192f0f561aeb4b4ccb45f322cabf5a84c2cabb6b4403e75f1284a6844a61a3a320967a014ca7ed32970e9436353606f41b7c18cc debian-8-turnkey-lapp_14.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-8-turnkey-lapp_14.2-1_amd64.tar.gz.hash debian-8-turnkey-lapp_14.2-1_amd64.tar.gz: OK $ sha512sum -c debian-8-turnkey-lapp_14.2-1_amd64.tar.gz.hash debian-8-turnkey-lapp_14.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEbBAEBCAAGBQJZBxkuAAoJEIXCXpWhbrlNctAH+LAGjqljyCpvxe79RTTYHo6j pViNgG+d+thQsr+MdfzNMXguBFpBbsrWTZjvEWKpOjXDilQtMnZjTbquixxv8uDm 6pLiDQVr6jgMvUbc8YbjBJD1hJX40zllky2b3rfTvckXG7oxTit0EmgVk7CQui4f 3NpyfdhFuYkfmSvQejYHj+3yh+aYM4PpDxOPjFF+HxPoasLtOvrNfyJRNfBcKZ8N QuyIfRNPVQMG3egYRc7QVHWngRBpU+MrhqlacCJxFWRwmZCkVsVe1IicOqL/hoUv TZRyQgW9tGtfzb5uHqIhoj2QTYCIO+dncpd8nHLgPZ2l40i+OWKVWNWQ5/JkGA== =L8Qb -----END PGP SIGNATURE-----