-----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 turnkey-avideo-16.1-buster-amd64.iso.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 turnkey-avideo-16.1-buster-amd64.iso 9996dc64d75beb160164fb261d9cde1f290a78ea6765bf85088dadbcd233a39f turnkey-avideo-16.1-buster-amd64.iso $ sha512sum turnkey-avideo-16.1-buster-amd64.iso c81737648d8d42e7c8c4fded3beaae0284192aaa8fea01ace997f9452d0ff2a034f5d976c7d439c58e55f1d25432617d7bce4fbea2291c3c88047cfd65c417c0 turnkey-avideo-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-avideo-16.1-buster-amd64.iso.hash turnkey-avideo-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-avideo-16.1-buster-amd64.iso.hash turnkey-avideo-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b5IACgkQrF6wBJPl vBxzNhAAtRTfCOd3Ip/qIYIDebr8V7agOY3qqD2CkFoKoF5DUYyAHbvQGo0bmKYy OdojcSfyOfaCUr0sqJPRI/mwqNVpHPLgHcTWhl0wQ+t4+AaMh/MLrgzHcaEdPrH9 v/JXaJiT5kYuewCQ4CJEnUDs74/seutg7NAaqXFTZP/0l9uQ1E1bB4pBgSYVCuRs gRHQ3VkhoJtXzk+7HxKQ9FXcsvspYeul9rgaQs9fULGQbLBhvd2HU5grg2O/xCZU 8HBGcOCNDMOdedRTgGOqpgM5s80lXJENVzMXM+LwZAJg+ICQ462JFhk1K/7+IwIN SgEs/GwuUOv+4qR6vTKSd+r8ZgIrOWSoLmNhF8LfGb4P7MIsmjJL8QaYkN+KuObG o5Vb4+5SS2/p+UrlkuwrRWzZrpVVT7zkTCXjHcZ3yMkTf26nZrInsQldtuU3Pckv kgRu+37Alx+PdRyONHWg+B/O60ND2FEZl0BSrrYU0AKymTe+/CPoZ0FSQN+sqdV8 fze/oQC3SvR74xjYymYDsGiEAZGt+wDMpnwrKfzQ0/QK0LWtrg19rmGW2KZbSaJm AzuwwgP8q1Po3D4OMKT5JA3ZIDEQ9gYcjMiUNwXjKKGUCn+CtUXg0GAEiKzRqJeK 1Oi8tKapEBs2/pDVTYNKrvGlhP6K1e2+5jgLBEcXnwa7AdqS5ag= =s0Dr -----END PGP SIGNATURE-----