-----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-dokuwiki-14.2-jessie-amd64.iso.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-dokuwiki-14.2-jessie-amd64.iso 67bec882d29cbf12de92206d195ee44084fa47d9f896b5069c00c756dc212dda turnkey-dokuwiki-14.2-jessie-amd64.iso $ sha512sum turnkey-dokuwiki-14.2-jessie-amd64.iso 7dab4427a9289884f45576f906c868037748f11d1dd955f19b40c87e4c616e397e8d6d12cf97a71b5381fe81b55471ddfb83a21687ed61191df870c7d2059628 turnkey-dokuwiki-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-dokuwiki-14.2-jessie-amd64.iso.hash turnkey-dokuwiki-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-dokuwiki-14.2-jessie-amd64.iso.hash turnkey-dokuwiki-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNiEEIAIFASXMksKAUtQBshY1xpOJ2 MVaT6GMpQqJRvkypcAxf7mbhSnITDkNa6OXxtKqVlBLT53SoZooUsMq5nrbViHzO iCmV8MCAROtqyg7tCpBMHprV99dOXzDq/E6LvbVOW6RdpQuXTayR8G3lRrpLjuPS //SyA51ecOoI3I+sdgFBwxkMt7PuWZ+8SUHin0wu9xz1FfH6ntlfJKV2i7a/RoLY ZOyFXoTF7SVeRc8F8PbKJkiY8glgnKJk129A9pfsUm/wL/obROxHlCOCQZDt+y7l D+mS4hFhRB+AHY4m/DG+VpAhu/WULBhw6FPbMf0FFnDtwscuoaqJj7DecwgSTP0= =GoxD -----END PGP SIGNATURE-----