-----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-14.2-jessie-amd64.ova.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-14.2-jessie-amd64.ova 0d1f7364043e8181391949fb4ddf27d11684d31ef9a845a4b21bd2d874b4ae3a turnkey-moodle-14.2-jessie-amd64.ova $ sha512sum turnkey-moodle-14.2-jessie-amd64.ova 7ad89992663a9c9cb5798f79e8ff76216a80f49ba0f080e5f56c0829c9916b4f4f4a2d2aba52c1fe935306757d0229f5ec0771eefe1001c1818da5a2fdcd0ab6 turnkey-moodle-14.2-jessie-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moodle-14.2-jessie-amd64.ova.hash turnkey-moodle-14.2-jessie-amd64.ova: OK $ sha512sum -c turnkey-moodle-14.2-jessie-amd64.ova.hash turnkey-moodle-14.2-jessie-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZNo92AAoJEIXCXpWhbrlNQcoH/36AaWu8SnYTe/cj5G31dpxk vqpfQ7E40/+VGQWG1+yQ5IzrktXh2K3tHOVbxzEMqAZBWFSq/DBKcBfTG6IqMNeQ 1ENpMlwTXNxuJ3O9BAN/vwDt+LT5ESwUWl79PZrZxMiPLrYpEqht8+2vER1IEZWI S8mPUpnbqm6r8lSrq8nK5ELwR7VH/NnJUHsl7Yx88dIb3jrN675NhnqTWdlq85Na d+WpkO6mUZ5znMLcV5U6Q+1IXOmLKgbu/5gCdsw1W99u7xC2MDsgvgaG5lnd8YCx 3o5195gow9Vt8tL8LfcBfqdLVh6jWRrs2fv0xs896u3iLFXlxOExl+T3P1p7FhE= =xMDE -----END PGP SIGNATURE-----