-----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-moinmoin-15.0-stretch-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-moinmoin-15.0-stretch-amd64.iso d8d8f6556cddedd4539c9b4f4144ac0b7f98e9bc52f584be8afa339729a74579 turnkey-moinmoin-15.0-stretch-amd64.iso $ sha512sum turnkey-moinmoin-15.0-stretch-amd64.iso ffbd0d49f2445dab5d4bdd1e9adfcf517eccf17248644f4701bcafe3304dbdd4606571aa742bf0702c1fd82b4ab3841ad42b78b9561e1b5061274db6d11a1fe0 turnkey-moinmoin-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-moinmoin-15.0-stretch-amd64.iso.hash turnkey-moinmoin-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-moinmoin-15.0-stretch-amd64.iso.hash turnkey-moinmoin-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluD9ToACgkQhcJelaFu uU0iuwgAublmcd7Thjgn3Qu90GDhy6m3en7E0OJ3UuHvR8HeAjYKH6m1hWw0bIVQ ZP8aVerobFupsUuGxr7dJ4iZA8l0lQjhXlnimP9jrrKVjX3oApB1ziV0GtOrYNpH NzCgFOthWlnyYQNCZDhRV8o56Qdzn+tVmxGlt0THPyFRL7jXaur5EP3xE6h3+6nd PsHLlvcTf/gzy3GDtigEhceMR9cFizvQcz7ipK8b2I4zF3pzrhpw5K2FL0Y3YTqr V/D2WiKyazbx3WcQT+svyRASF1F2QY/ald8atoZjdgpWshNRGjiexxDv916A4F2t VLNSrsXmLnczI5OyH2Y76vil9c4xmQ== =Ej6N -----END PGP SIGNATURE-----