-----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-trac-15.1-stretch-amd64-xen.tar.bz2.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-trac-15.1-stretch-amd64-xen.tar.bz2 d88b1faaa746c3cd9f46fdf36b36bde20a70f7dc9140b2e7aa44dbe3594db696 turnkey-trac-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-trac-15.1-stretch-amd64-xen.tar.bz2 6b819bfc28fc3d9bc434b3f8a8a95aabdf48026612d9d08551b10044912d7a20c9320980858b3a2831c2210345b4b7ff2b4857803a733341bf4cd71d4a9f287a turnkey-trac-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-trac-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-trac-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-trac-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-trac-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlzdEEcACgkQhcJelaFu uU0tjAf+Lr9DUSB/is7zx4En7/5JuTIJ6WptYFb/pbbyO08Rqf6PkJ2MoATSJEeP spp4GSxcFU+u6GSNlTeIRU79FhMQG68Ven9+x+2gNc0vE4SCamwVkO3f9gfXGjj0 DgrnvpsZqMoefUHj1U3dWA0vT4BHgF8YwQvTImzfi/OGazyaB6mbFF2fNZHw4wTm UpZQkDIaukYSk71cbEef+6+SCdWckwB1WOseP+A5upn2iRBIW6YMp785La9RGVCO i6PaQ93DlhQCSLYcATzTTVxuVHLlum0yQ84wcUuCWcrXw7wrR2UltEuSb+HIYt26 qUG8IbIjtodeEPD8becejh9KCVpwow== =kThr -----END PGP SIGNATURE-----