-----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-phplist-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-phplist-14.2-jessie-amd64.iso 4a83c681e980076733ab5c438d07e48b241ea36525ac973720b2f47bf727011b turnkey-phplist-14.2-jessie-amd64.iso $ sha512sum turnkey-phplist-14.2-jessie-amd64.iso 04b2d7f367417fb4dc657255806964dd129910c5bbd74234bcec3dcaae7d0ff9806d5cbf9fcfc7bc7bf42383f1a9c3e2e6b9a604d90c850c139ed135bf81b2c7 turnkey-phplist-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-phplist-14.2-jessie-amd64.iso.hash turnkey-phplist-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-phplist-14.2-jessie-amd64.iso.hash turnkey-phplist-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZIVn5AAoJEIXCXpWhbrlNDogIAI+sMrzmmowQ8u9zSJ1aaaf1 cKA3w9zJA0VTVI/BHz5Tnuhlpq3MLSwOmNxBMuQWwCz7ANYKaVud3Ciwt2JD9+x8 mRWhRrzf3o7x2vkUt2PTQFXH5B0qX0cbMajpUQ9Vaoxv6XvYlvdoHZk4vyzo80I0 IchnHIWKKHxAoiD0dZHUKFaGDXcH1A1kamZVoOcGx8M5vnUo+YvKL3DsW47CcR65 WeWydr7zWZUkGPHNEgvuI79FqIznXY6lckoLf93jdp7enFLi4GFEG8qc/enSoziG luXBVFCmCEDiJu+EvTJI/IVugPE2IePrJBUZlzVRBb4UmGYE+POx5/ElLGG6oDs= =wvzU -----END PGP SIGNATURE-----