-----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-mantis-16.0-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-mantis-16.0-buster-amd64.iso 93cadfde1d754c5f1cb3f18083d5b6f39dac149cb9357cc2e91b6835235ceaf3 turnkey-mantis-16.0-buster-amd64.iso $ sha512sum turnkey-mantis-16.0-buster-amd64.iso 92cec0fce2494bd171c2d00f26503dfdc18fe1554b26317054ea4a6b68b5fe638b80a062abac2758d8d01418e4f29ce91ed0947027346aa965f0b373780f533c turnkey-mantis-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mantis-16.0-buster-amd64.iso.hash turnkey-mantis-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-mantis-16.0-buster-amd64.iso.hash turnkey-mantis-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7BD88ACgkQrF6wBJPl vBzKBg/8COe++nsDC+vfQ5g0vUz4y8i2kE8k3awyYX07c13d8MmQr7WguYEw1PpU O+jTKO2p2cOi3P/dRl3tteCMY0qZ1BMuwIftMNAHzzYJNbrOdoF749whSxin4QY0 mbNVv9Q+sTepPYbG6tEdv5/rOk1LlntQuYCzWd8sMkfkycH2SFBBXpotS0Tnzyio r/hlLNE5QT8ZngRV/TAzNHRF6sG9ars5NaPEfWL3cBVTAvpwdCRujByKPr+WJenD jX5T1AvVIKs5FHpi1dWCSi5bb0bboAh/6P7O2aYq0BxqPv9PwelzxBYHsi7oY6oI HWAtb9Rgmgl9pu9b/yYkathUTv/ZvY9eaqfVEYvjGFLoZ4MxeqowlbT4PnaDbxz/ dVge1vy2QC+LDGhkLNZDDynQXg84aTJJ9MV07fyEvumtp0m0VZarwULqkrdOHzT3 DcffRXZpLfjtwd34dyOvXKgwLBDD+tOA0fWdHdTVlW1wyghRdXgAbjxqgSMxF3dZ 6MqTzXAKqRBiIYRQK/H+aLFM7u5GSWuQle2QyFvZ89OB7cP6CYc2Hy70ZgonXEhH EeWH6LWsdPrFF2xn8on8ly5bx8KEjuMitvAJjV/QR/5ZCGv4VDiKh/yHQf009Mjs 8gX3bPAVhneURGKYs8WupPhCp/kIBsk2RCwf/v3mi0o+RS0qv2o= =ZQoM -----END PGP SIGNATURE-----