-----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-tkldev-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-tkldev-14.2-jessie-amd64.iso 9d250bed269efecb0cddb3f7c211238cd3753878b25c94fefd78e69720cbe932 turnkey-tkldev-14.2-jessie-amd64.iso $ sha512sum turnkey-tkldev-14.2-jessie-amd64.iso 195fa7eb75674adfaeffe586d73ca7d27aa166970e4a95bb4a75df7446ec08abbf45964d32c68f925b474176cb9528a05ad16f946619d558179d4afcd05ec851 turnkey-tkldev-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tkldev-14.2-jessie-amd64.iso.hash turnkey-tkldev-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-tkldev-14.2-jessie-amd64.iso.hash turnkey-tkldev-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZeIKlAAoJEIXCXpWhbrlNFRIH/RtTZ0TvPadYxTIU9z6ELEQ5 zmADeTA3vQU7AAELPYxqNK0RTIzKFmQxhm+/vCsNxIjgkA4Sr8HNBTlqpE5NXbC9 ZCGZSwBnDMgqbfIQBwJoA+CIvYrvxNHckYsInfnQEJNjp62vBVcyy46KdUXA7p6L ukUGqCHrwhd3+8HlcwMg7vZjbPA+6Pf4QhnpPJ1Yax7XAVHu+Y04eAEtHH5zHFT2 W/hlkcV4bIh4xsdN86VFCFaO7ozTCyo3i0mKt0yo4g8bQJYFjtOCRVIw064n4sAf yANWyV0EV5ZsX0hQZDmhG/jZLmd/SfyR1rqGbsaJPWWx2yk5EA4HLPAP8+Nd6n0= =J7bT -----END PGP SIGNATURE-----