-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2 94db10075cc00188d1a94b6d9a0409ab5a66d7897ad713656feb86129b05b149 turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2 ace669a5367ac8b3ae61011f048deb7b83153991d4503d6f2eefe66e4ee5c89b99846653227c48bc844bec67707ee794d04c51a46ebdf94cbf694588887227b1 turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-mumble-15.0-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12oACgkQhcJelaFu uU0nvwf/ZTtHfRhqax8uRYTJh5Rnze7pXlcPV+rwXxUyLUutfjG+ucvS5C9yielT zFpvOgiCH5buC2HYEJkun+ogip2+2m2OOb8+FjeJj/S097DzPE+yBxnJykBsALJJ 8D1uzdAZUgAyjfxjus+PJBIkW3Ix1qIrS0POLq1kP4ULwjVdyi27UoY+eIexPyLL 4hr27jrLREggjJ/wKPp0wrKt5kOkSEGJWE8CU1oo/AYC9r0vY+jrnrM9R6EoQjr+ /jkBoQx/z5dAs1f5q6evBAE3LyHB0pIHu+LmB92aNXnobFR42K8ZidV7SMwuT7O9 HS9L6e+FLnMKKCsQgtd2Pm+9pTAW2g== =XXyy -----END PGP SIGNATURE-----