-----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-domain-controller_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-domain-controller_16.1-1_amd64.tar.gz 14ac2a212e2f968362dd9f9ea2c0659fed39b58747b942f6a23b5b328af6d107 debian-10-turnkey-domain-controller_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-domain-controller_16.1-1_amd64.tar.gz efcb75bc1bdaac7b15a51ab00219c344e7dab67fb82f7038484054e66f2bfb07f32a4a0c5e95403cb7ae860850db23c8b4a929eeb929978a226824bc276f4bf9 debian-10-turnkey-domain-controller_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-domain-controller_16.1-1_amd64.tar.gz.hash debian-10-turnkey-domain-controller_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-domain-controller_16.1-1_amd64.tar.gz.hash debian-10-turnkey-domain-controller_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmCzPrYACgkQrF6wBJPl vBx/5BAAw/f6HvaoONlhdBW6oYqmqaNCNJVkQvZAqHr996c8usQEA2D1nqrUffVR iiDmv7tFMRHNftxLZCo7dXTq84Z+kIvyVCuo9GD4Qo5qKApoBugQ6FNmGlyNhDV7 mL8t2QLUwnSFxdOjOcBBWuoa2QBHwpgE4tAiNgpZcZReDWAQBTiofru9PoORHZBk OxAV6qum5JVeyzN10Ong+bLj+TsmFZmBoAX2T7yOYB14H05/NYgU5Lq763se1LSs x/vWGC48k1qkkRxEGd/wPbz1tZuooFwymUjl6mFuz9lhKJUEUYBWLJaQS31+Qjp2 tp8DfOLgjyH+l4s9f3O1r9XcIOJmHzuhI7OkXBJ+xg29mW6CBKNylUX0xfNGc7fB 6lrXzeQCakOgCQ8HTYIOPPzLoJElc5UARdgkZ3/Z1faHG7+xAY1bGxKJnGkMiib9 JQMqUCd42ee7pTT9GVPSExlj+yeJ1QDuZ5elGzI7TCas/4drNAkMFXuH2EKV12Ne tobjTUsNpkkHja1Y99tISVR58NcHLuH9b4Hm8zkXQH2MMgx4pv4LUpibrmc5rIV/ HtEBJVu2khAOmYVVVjg3eGuc9DOebFNzFbTPfuC8Cw5IQ3kZBIdSljHz5KxSmIit a6nF9zAExn77ZnPOD88Bt2+B/3UTJzx5MXw2TmyvEJxavtxuFFI= =UQ1t -----END PGP SIGNATURE-----