-----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-sahana-eden-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-sahana-eden-15.0-stretch-amd64.iso dd2ffd94ddb57eb107b989fbaa0a84f96b2af1fd0185fd239310058850f24d7c turnkey-sahana-eden-15.0-stretch-amd64.iso $ sha512sum turnkey-sahana-eden-15.0-stretch-amd64.iso dcaa983748d02e1502f07827eec870e786e9fca8fe9f008756348860c353d485c5f97a7bec0da1f44d412da583d0077fcb2577958bdd4d5a39c2dc60f4c3abb2 turnkey-sahana-eden-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-sahana-eden-15.0-stretch-amd64.iso.hash turnkey-sahana-eden-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-sahana-eden-15.0-stretch-amd64.iso.hash turnkey-sahana-eden-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluD9TwACgkQhcJelaFu uU266QgAp2rPXEOmrdODMz8S8NqJeDXBexxWRznh4BWJtkBuoWUQ2JLyvJxB3h/w 2sCbFVHp78CY8JkhVsBCjbxFSk5YmjfE8Tg/oeE/Wa+m/HcwVF4qXjg2JyEp+Y7B IFqIDQ735L/61AoLyIAMGG/0f16s4xqCtcFqJorSxBOhjQahVj8MQMhQJJXhtR1/ G12OA3oekyK6H8I4XqAgYejmdDmX9d0n/DFv2TaU4DEU/z4WOoX7xfyyektgovH4 65bscnsKbwJHDqPIvSuATa4dFquxF4Ji5lAf7yxbpwT+0kl6xDRBDyVEzt58krlF gSRxiJyvFVw872N+RHBsNx5b9sggXA== =FjIa -----END PGP SIGNATURE-----