-----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 turnkey-syncthing-16.1-buster-amd64.iso.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 turnkey-syncthing-16.1-buster-amd64.iso 8ae0675acc1ae83ce1c99e1fbdf20d190291b21d91fe338af414a56151e6a1f5 turnkey-syncthing-16.1-buster-amd64.iso $ sha512sum turnkey-syncthing-16.1-buster-amd64.iso 9a75d4fb3c6c462d619d89006a8b549068a817d7dd08c3f5d72684326f52663461498053995392035247dbdb35b23f24bfce7803e78dc2bbe868669dc30b0bb5 turnkey-syncthing-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-syncthing-16.1-buster-amd64.iso.hash turnkey-syncthing-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-syncthing-16.1-buster-amd64.iso.hash turnkey-syncthing-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmB729MACgkQrF6wBJPl vBxb8Q/7BcFx1BZ8yjmMk6CL30Z/r09Ma/vVAOaTmSmaTp4WTk+aMaGjaCKH4zpL hNN/5Q3ToPfOwLZ8JHZTljZ0XMNMSkuEAcSVts/tqclOweFbg4m5bHg6VRAsick5 C/vO3B01hh09QPFNJQqYDNm/gOCRrEAZbojE0gJ25bE5ErurNbia3+XK2PYpdloy eg7SE3JF5c04bZ39qKxlYh4JmhHbd3JqsXQpQKTQXmgG4ptTq8Xrt0FfdlNxN/2I 2SfLEVobHdYnGYyTVaGxX4fh7iBOw8tp5m7usXyj3KZITAQnL/AhKwTt9vfhM9GU DYyTSk13uo2X4yGJ8AHCwz+ysvhqChq22k84VeP5rK/1vVTueNnLWi6FBHlRB+0M kQYfLGzZbzBkGNcvICmy5vzOddQPXtnRs+/AG45mP5uAsjLivVVdKmoh/MpQKjp/ cAbxeHqJOcJS2DIOoFPDiRoKk+a4aSM0wokjDAhZiMhgVJmWtzjVrvSRA7u6XDTD EM3uE2izfV+zNH3h5q8ebCbm4QcPq8TslvvfzebaS+67jyYOgcxWspX+WrU2D1vK RoevO+NEmua06QdpMPoJp4G8G4CwjEadh71d5cDV65HF/yxbdPtJ6k9z3TTQbRJM Lej4BjBU/eZmr7/QGkaM17j8/So3tG+nhXN21/3GPr21g6rzIoI= =cSSH -----END PGP SIGNATURE-----