-----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-otrs-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-otrs-16.1-buster-amd64.iso 4ed50c975e33b80cffad160b8040432652ddeb4f401bbc1b0fb00282b4a1262e turnkey-otrs-16.1-buster-amd64.iso $ sha512sum turnkey-otrs-16.1-buster-amd64.iso 6ee45202e50db95bb332b885d4767ff2f8b5ede7c33a0dcfdd251922534bc5162d1215a281e5b2e52fbad6450a344b072eae164dcb7448eab29e1bd6d1e97186 turnkey-otrs-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-16.1-buster-amd64.iso.hash turnkey-otrs-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-otrs-16.1-buster-amd64.iso.hash turnkey-otrs-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmB729EACgkQrF6wBJPl vBwnuBAArezBuKeLimp86insFGpQNgPyQ833vS1xo3XTKE+XnNJ00jkFHMumUihP YQJPV3SIF0Dhkv/F4g71Qr3X3h/gkM6WCanTGp7yV+JvWpS4UlyNd715l+qJmsMp DAoPiGAriGGgSJ/hkUiQ0Rc34EogA4ewXo9g/ryO8sPyp3PFnkVpvHDQiu4cmfhB g5wL9vfkzggNVo1WvX5N5hbNlHDB5/j7+XW/fVEuJyfG7uwXTv96CwHy7f9EUGGc xAKU0gtr79IXIHXvDnd8arHbYoYv5Yu1uisqE86wI+e19Ac9OYx6o9DzBpYWczUN ChKAdCR8QEluq1ZtNY7kUuTxi1sBmse87lBklb8D/K0kgpw/rQEqEP0hCgK7iPby ih5Lo0iTFs+TV2QOc7//NHemprb8mbshmIPoQsWgq+VsNvI5ZtpSH6YCx6Gk4aCs CgzCAWW+8pMvtBzZV+4l0ME/S/C7fDUFJPiuWxtR85vayGNB1AqHUHtuNp6O8A6a quayCR3OJO6QSrhzwLJqJBlp/DV+mkCm2BEBc99vZp10KXahQs290h3VL23iKDRa Uy4/Rw5+kWQWIvq0mbH6VjFYtZOaRKOpKH2lA5QCxRXmFHo1X6ToCu/oxyELeVRl o46IEkXjsaOgJjZlb5/MeRE8dbzcLjkEzJEmNjPyFMxp3AvA5ZU= =FlzG -----END PGP SIGNATURE-----