-----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-tkldev_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-tkldev_16.0-1_amd64.tar.gz 4b01d0ed8f7b04bc169ed695a31af3858aff7fc63c5f0a61f1bd1a7edf3ea2b8 debian-10-turnkey-tkldev_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-tkldev_16.0-1_amd64.tar.gz 37af3274498504b47170a83e578fdc9351a1c8ef8f7471351167f9089339cb0a106d215efb9635822baf41179bb560984bae7842ce32e281925b80d2757795d7 debian-10-turnkey-tkldev_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-tkldev_16.0-1_amd64.tar.gz.hash debian-10-turnkey-tkldev_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-tkldev_16.0-1_amd64.tar.gz.hash debian-10-turnkey-tkldev_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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl6upFcACgkQrF6wBJPl vBwq7A/+P1YaV24pg3qyy3cmz34U2050iwSUiTY05283UlF22dIHOCi79NKVwM/E n3knT5AKImfWd2raTZGg5ASw3zD+csFO9yTbctIo1HBDXdmn8VfBkSzaGSXqWgxh 9BqlIx5oTOg3TgvPzngjU33fgyFEj4svnSRel06g+ryuSkShnFXqgumfrqzVzMOm LN8PE0TmOt0gzHEC650jBfPDuLhMJVX8z78BSMMQJrMRh0C8FAfro7LpZcfnQMPf Qm9eHYo7qDQg3nccNf21/Mg9/nsnFlDYa6CmSbuSNdRHamsfDVZEcIYO6pJf7zUz /fg+tKmUsTdxhYiaEj6YIid/69ueXr6ikvtjyjq5EtBo+HCcsu11q+04ujBnSlob 4eD2bgUnD7g8e6g/r35mNB4Fy5Lb9Ma3Q7l3OQQgOCl3x0NgKK/TSISxhHFbmSSb hsAZnWBdmO46co65j9NCwQ9oSctc18DFnhV4ToPC5WGGik72gCqBw9JASQFRrAIB zZaT+HASom4xbWAL86n8VmEp11Du8tP5Xwvz0RkCn5bl6JKNXSEMAFjrUVP4qGDX EDgsH4FutsrRXehW3kJKAQffzBrHNafrt/EchaqEmriE01UspV6KD/eLUi6yhumP jCZfPzw5S/4YPgJAdqxGRIb21ZOP+MLKdpj4zabG5C88zqQ08NM= =LeZ7 -----END PGP SIGNATURE-----