-----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-15.1-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-15.1-stretch-amd64-xen.tar.bz2 f3b87bd2cad41571bccce58a809d598b17539ad6f687b862a8b1befdc3a1e8ce turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2 a7b9eac1b26c8d4cbbaec20414a81b882a2811f294dd16724b9a78ecf90ffdcddc9e7ba5f38533ac7fb674f6602f83205797e6f58b627a87e874a4b687433e8d turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-moodle-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pisACgkQhcJelaFu uU00oQf+N77aZ7uEduHPfPWzrt612/YeF/ZzS7eqqqovbNtF0BdBQGaXJBa0Mdap Kfw64Lr+tWFPZJT2P6V/mrD/DTHz0uQk6fY3JpDu2A/QAR+j+pYk+5u++q1z6T75 2MScfZNP8LMK/hiswLLjAkPZKFbABtgmvW/PgTVq7uItlDRvLgYX03RHBxnVYUeK af8sM1WHsJ8nF53dU2+JX0t237+G5VMp09xIFHMugpXVP5Occ6NgqPeQZyOfKgdR ZPgf8ZJICcCONP6U7w7RVLT9WajuZ2UHc4Y+buPptxNz37SKakm7sQrz2W3qBbp5 ZtMKgw0eQOeNIs+UdbdTxpS/ysSR5Q== =tqPF -----END PGP SIGNATURE-----