-----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-openldap-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-openldap-15.0-stretch-amd64.iso fc41e31af2d5ac33725225d5ecba07736846aee26afe660627f2b7e1a017758c turnkey-openldap-15.0-stretch-amd64.iso $ sha512sum turnkey-openldap-15.0-stretch-amd64.iso f57cff31f2bd2851446e65edeecf7b8788bce5d3aaf5cf49da65641a4867a31ce1ec396995e27799a5a82cc9b48dad7856590722f0c9984802b1e67e660271c8 turnkey-openldap-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-openldap-15.0-stretch-amd64.iso.hash turnkey-openldap-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-openldap-15.0-stretch-amd64.iso.hash turnkey-openldap-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTwACgkQhcJelaFu uU3N4QgAz9J+lQyHqV6AoGJwdn7YyETcXST2GJOowAvedd1lNytHnBZxAzO8vcak AjbjewT65i+1+1kClU92RqXzrHPz4fjPophhvZgCFwX+VG6Zgxs1JwkzXG9ig0VL nQO8R9ITG12NUOKgCXab9oxTZG81gp2ogexHabgpS3j0nwx668BLpteZm9cD39xP BzK7l89uw9797Qkl78q4oIeQAQqAVVCWiltVCXMqs0+fr0f7V3nZOrQEtrrp0BRV eW4HVMk3eFWOWBHjhi24+y/L8Xx5y0C9/tbThTRYUrPVt+9M8924RlSOX1Zhbslx RcisT3QLWKBQ69zDficKINtNBY2Y4A== =trD7 -----END PGP SIGNATURE-----