-----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-moodle-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-moodle-15.0-stretch-amd64-xen.tar.bz2 94c9040c251306add65a5203176e8eea4cb1151c12cb7b8ccba9564d4189f701 turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2 7c3cf2200e304145b44b1c7bba5d2cf10a49cd4bca5fd522420acff48a000ded30cc31fa7927dd7fcb498766d6b22e9bc1002fc36d2b78932421d3e12dfcad99 turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2.hash turnkey-moodle-15.0-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++UACgkQhcJelaFu uU07Sgf/aFywU1dEDELtdmLONG0QBR7bAHn02h3xlo77C7SXfj1tS4oNcQsO8/VV KMcgzsfm1p1Z0+XTZ18paggacOmN05m2uXhBusBenxLzZkA18mcxsn1jra1iH25x FwyGTph5XLrcXsOBw7ZCNs+tMBNAMrAWBES8FuTIzNQT2AZtzx+sjL48lK+qQmi6 Xbcg9i8hMGgLcoxHHCXv8klD+63GGU99hkUJKbdFJxPeKDxW6SFOJiagYcANM0m9 JzH3lLuK4n5XOK26GtVTaZN4kqGOgahpruaGmxTZPytWZTZRyoEUQBZzewO+jRKQ MjjwAWRj4qYu/LFucdlBN/dN42O0zQ== =Qpyt -----END PGP SIGNATURE-----