-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz bc719c961adf02396eea565f9804164181864a82388566fae38ce3cb5d454afb debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz 31cf1e15a8e23abaf69e2f3ddf951182e8ac65c56062d5b98cf79f88a9fa00ba54c8631f422c9e03bd5b38cbbf14b0f5a581d59c4e4835817bac541e487a7aa2 debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz.hash debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz.hash debian-9-turnkey-collabtive_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9MACgkQhcJelaFu uU0W9Af+NObKjNCW6fWkLvW/LGw4t0Kd9obKXQ7Ou+8Wk3EVJ43gqCuBdjcQhtge p6Y6PJK7psBIDDAUAwPGTgrK/OKFcmaILpbpoyZg5IuZSlu7vCgrOYZFt19FwWg/ zW7b+M2IDLPDMzcfnwXH10y8nWeW26PacraE4E8wjNjziGo3Cv9UP6+/F7+NpW/b XzSn7cf27D1saee0AFU8OtSR4Clfk9p0swIDOv0XGkyeby9oWO4CFRJ9RtmaX4wz 7pvsm8m5+PpISLyOS8a0ZHY170DuDEGkAEGUWDFUNiUMWzU4nPGQIl/OMyxBvtau dzHLUzW7AglPJgRxC0phAYT4m7uFAQ== =E3Pz -----END PGP SIGNATURE-----