-----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-collabtive_16.0-1_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-collabtive_16.0-1_amd64.tar.gz d6b47ed3659a35da27608bd144eaf5b428879c33354865f989111be523afe5ba debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz 2b156fd07869d26f448a4aea74e107579f8c25743bc89d72cd278ba0b9eebd0a8d626bec4d4f1becec07cf2ca2711c23e764dd52ff63e2ecd644df28a213a92b debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz.hash debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz.hash debian-10-turnkey-collabtive_16.0-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7co0QACgkQrF6wBJPl vByoLRAAnmAtDHmZowMMSPq8+iHN2iNHQRmE6j9SoaS/bvBsYRNjIkPxoB53+rFO qManBJLDyexR/RHN9P7i7eL/4gNKsAGYsxJjUq0MNsogl6c0Yvyq3cYbBopn74lu cIAPnGohvARUp+K916cdxD9N1NEZxWIPtaOYQZFXbhNi8KJVqdbs1kbVmYJJHKcg weS08SkcaUPKAH/yHvXIrZESqnBMM5yZjtGspvagz+Fb+hfzwDqhkez9nWke9fia JvKyx503QBzVf0KO8L5hf68cpPBwxijAJKugTfam+hKvac4pAv3QbzG0svMh0lZb CjT2petL4TWzsDqLLokvSF8X1evqSVBQxOLC2r3We8/RUvSRjiNH7M1LDsgmkbZp L2mLdhFN8RwexeyTFWiX5n7+50khyqYTBOmmS4Zvvdm0qpAS+zXZoKKbioHjLa9p LD8UngTO98pC27MVyA5Yq3LD4WXK5IdbniDTmwt/pS6VNX8aEuBBgglzCpcsFrFr 48Ui6/DkjtdSiHLwvTk4OFB9v29czkUuYCjC/jQLQnvv2thGcq+4FeX45LykDO3b XAAQJIxIWRMVyN+7z+avixiTkPW3Asz82yooeuntwR6liB2yZavMGPg9f3JRv63J 3EqPuoiLoJBIkcRTiqcxZM6BTMXFZQLoyDvGSIr4zlJINnNARnk= =RJx4 -----END PGP SIGNATURE-----