-----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-simplemachines_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-simplemachines_16.1-1_amd64.tar.gz 91583e7f0ab9ab6e1e8ae3e852788ae1fe48251fca43a1fe8b8b6df6233fd3c5 debian-10-turnkey-simplemachines_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-simplemachines_16.1-1_amd64.tar.gz 27518f24fb5d8a324e227c22066a5f288e1134e8c5a075648865a31db027889d3601779ce44f86525fcfd8b5c7b94b2f8a635aefb829b5e734d87352c32f39a9 debian-10-turnkey-simplemachines_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-simplemachines_16.1-1_amd64.tar.gz.hash debian-10-turnkey-simplemachines_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-simplemachines_16.1-1_amd64.tar.gz.hash debian-10-turnkey-simplemachines_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmCOURUACgkQrF6wBJPl vBzVAhAAukBCwxQm4IImjQNVCU7hAcxpiUsncUOP7TwwmswD8ed4H6puM03Q6s1p qAOPjhq3JKw38gx1H+m5D7lmnnFIIBaRuB/c0DVHdtraPLB0V988Q5zvtq13YLTf Mhzs2Xu6K3UHUmYdz/P0Z0D+wMRn3ZY8Rfz6lwdIM/ErKshr0E9mVjrHrzSZygoQ 1bO4nHri5VWQTj1QuDImEu5Qj91HybiaaUi0MukUk3AEi5Jjl5tR+OkgE9N4x652 D36b77b+BxrdChq874mqe5cgKzaz6BOC0u5+Yie1fnzPNKD+CZ7CYvUM3wJhRe8c opXOsG4AqFQJsARt/tNM5Iv4k6dtXX7RB9QCQjZhjaHwRcpURTJVrb7cY7aiIJnB U80wfLpcX9qkcjX9BRL4te3mnEUHGICjtziL3hgpysNtCqlylbJi8G9nbKsCqFIq iGcZPSyC5T2faS5nDL+9Q0gldtSLOyZRZJXBH3kTh6S106skXgTi2dQAo9nu+bQH qfmEb1HijQm6KYg+luIfnAbqmvcCc7HvmFLrJ8AyUnbUSDDIYnNTEcbFdGdXnqRe Cb/PAO2QZ/2omjFwP95sY4cn0XLLJy0Xjc/FKlKx5ORpMtPieIUEVWO+nxQkFRdO G2+lUM1U5ZLJAflnm76+Q1j9Ntx6KG74WSzZqD2IPAlpfyCiYZc= =P1fv -----END PGP SIGNATURE-----