-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify debian-10-turnkey-rails_16.1-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-10-turnkey-rails_16.1-1_amd64.tar.gz 3f651eaf3236d2ace274ed556a18092ea6d45eb351bddb388c05cedb34c49a11 debian-10-turnkey-rails_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-rails_16.1-1_amd64.tar.gz aea906fcdadbac05adde75c1212c0ddbea31db6ba79049565ede1224768b5778a8c2476d02b8884e1b413624585e92e110b2f3bcbab94d47762c653cb273aedf debian-10-turnkey-rails_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-rails_16.1-1_amd64.tar.gz.hash debian-10-turnkey-rails_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-rails_16.1-1_amd64.tar.gz.hash debian-10-turnkey-rails_16.1-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmCOURUACgkQrF6wBJPl vBx9cQ/+Nyi+VNuKkBeBscR1Yn1Y8d7VxzIRdgJzs4TrLg401k4h1M7NnMWUIyQt fYb7De8msjnXkahXftIlwY/pmtHcyxaPzrK9EvtoViqeXrnU2PPOibohtNQFycFK 8KwbJv9ctF4UkV6Twti3evpeQNmeiFwAp8K+As8x5v3DcPjSFGei/DmMCIO7twtg rzcGbvcoBThuIygT0fai/NmAS3JonmAafQrv7pXWJU6BdwNE+LXKxB+brGXz1Eg+ 4sRyO7GMW37NcMnMf03dSvtRBxV1U/y9Rx9qhN3EDDwd3HcnHaBDYzYH+skzNYbg UvuByGXUgwpPTmd4w1cPYXZgrtYaeUmZKloa7OzkFaVIH+xE18NoOIfDE2Ud8sj5 rJC7TqZlCZXhU5VgTBCgq/CLr6xQYkbmM0JGZdWd9wxJNHc8ByeGxTy8Go7pYhqd x/qchtfjUS0CDVFMTDhnygfGcqGDpSX1e0kqf5Mal+OuCuOJLQVRPobVClg6e4G4 j2eB86at9VXvVp1lEZ/x1XG4DGTDXOKeGwgDmfXwQadDDcnrWsCDNcfg8gZQQJnr N88jguIKMdK3eP3D3YdSTpeUZT81wvikOVr/ah29PMeI3pKoejVhXX5ROUO5UzF8 3Dps7OqZC1XwQWSAl6VZEs44kCsoC+Icvmm7UMlVdg6D2KtW3ko= =T1gT -----END PGP SIGNATURE-----