-----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_16.2-1_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_16.2-1_amd64.tar.gz cde65d92fbcea5313a2d667013e2fb21d55fcc535c85ac1ffd3e03060564dcab debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz $ sha512sum debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz 34296a5edada2128dde1214e2fcd626f1a073dca1b36e48c6e2117d7b016074485328a2ab445c9b8643b04f7e5cf339afd25f98d05b419a7c3535ca6934bbe05 debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz.hash debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz.hash debian-10-turnkey-domain-controller_16.2-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmE0pOMACgkQrF6wBJPl vBzbsBAAwHvZu5tyb/SpDmCp9NBvGBGkBbI+rlffAs2bNpSRzLSfdByMohgHOjgV InTrVH1ALBqsMF1BZ8aYeam+lTTa2nmVMDptVOjdA34G/hiBfRTWxoEUqKbLLS5W PGRvCCRWdi+Go7L3+t50kZUiHXJdHljiYyOWsAIgcX9Qc99uEvzgeAeRA9JKb7Eq 7V4eu56NDGd72lnHjHFXE4Sx9si5Y/71AzNOMZe2G/zLFEcVEqN+P4sfuoLMbbqk 5PejjYVUn/HzQ6ah4pPSVgbkogQMM9JrTSJhZSMGTqQ4yjtmxKIqe4CVbGR1rbTW XHfgP1vorZ9bEArjEl6qAaYvZAJsYH7hTnAXrFEcICGl+a7wV4dSeSy9TMhvy3nY i2hoqXrPVGUITlpTIah240vWPhrcvPUj3BFtp/sJq+sW8a/q4YEmb/bNH5DXHPiB 6NowZElzYHCyoA/ihh8gHRfrMNGcIJgpHLFCJaE3QcxiJzCSnM7Ti6DYV+8cITcb X3akIVNKoszVPl4IkxbEptPLNv5whbW8JcJHkK3hiyAgw6VU3pXvHZ5toa2mvjXV mNnj6GW3TJRxnVFimua/adfloS6Pc2CwmPtP7hBO5fKKJepkTDATAh0xo3LjzIaK Z6dEjyI4pm8KGnqzfXy4mZwxcve7UkVeyNpWZla4+6VmLPQyUkw= =DvWQ -----END PGP SIGNATURE-----