-----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-phpbb_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-phpbb_16.1-1_amd64.tar.gz 80d5678ea15cc0f783f1b526644b883dd667f72ef01a26ae8da1cf24c28fe78c debian-10-turnkey-phpbb_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-phpbb_16.1-1_amd64.tar.gz b6c5c76b93ad506c8751699c7b794a73fd742217c61b7f34eaefe57a2bc73c26df84d00cc7c0c9f35964db747ec74b8e46e5c7cdacc1dc31000171531e39d7d0 debian-10-turnkey-phpbb_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-phpbb_16.1-1_amd64.tar.gz.hash debian-10-turnkey-phpbb_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-phpbb_16.1-1_amd64.tar.gz.hash debian-10-turnkey-phpbb_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmBh2NQACgkQrF6wBJPl vBwuAxAAneesxGHFG0baekc7f0Kq82Ssv6n1UcZFU2K3vGkelIugKwogq6mExQ6C R2/eXAuDZu8ILcso1Ltyi3eam9YFOxtTSEqhKO04aPMXM5yUGf6Ls3LLXpzzM2dL PvmD/WFlFsfl3kLpwnrIExmxrzwUkxTtfl85HwyFlTYlX23OSBlUmgaHFpQ0AwE8 BGD54FTsaogNNrRicerCuQ0c3TRIFFAM5BJG4OYHh0C7gOgcn1O40YwwL/wgnoNi dNzgyfTgvgnCOjvtOcxOImo59JEV1mHq5pK6Qo8AsFFsu65MjazK8OGu5BDDkNUA ciRvekqU3XCSmqdlMY5pr7krBGEIAWWnhFFoDxceAznwyQltYjP56pFnzzzx2GHz MBHwHR44Ihi0BZgxOdEHO1NzlrKIhZ5CT3UzsEzW1FTX8E3nPowefoqataFwi0wx qZtO9eozZu2Up+7aUrgOi0oyhwY/gJ9gvaBPe5l9jkgHfgYs5xoHCq2cCqmX8d9/ ppXCy/dv98ki4M4SoF+W6hjO8C6PG9DtTgEABsYCMNZr0WaTDjMBu5hWKKYKG1Rd h6vIBdCboLO4VsGiXuEvrKPmIIMeP14QivVAiDC0+UNLL9dkDgQYMesE+Cvl0hgF QbS9nIXpmT0YjkEf3wtyA8dH+koX/MK7FlDLJsNXD10idqhTz48= =xfDn -----END PGP SIGNATURE-----