-----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-limesurvey-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-limesurvey-15.1-stretch-amd64-xen.tar.bz2 c7731f53306b725f504c94a55a49a14c507a4e7f6f7a9145e94b9ad7768bedd9 turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2 26054c444875b64e66fe216362c94cd1eb6f18970f777b963ad7acbb494d7b6bfa8e2dd399bdbabf6983962d4fa1209af76942495e4c5397222d3632203f98ed turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-limesurvey-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/picACgkQhcJelaFu uU3qpQf/YXR/4v4OSXYwaaTTFFSK1oBUZ3VyVXD3pcxdd8LMWmfh/K6mb4qtbrFD rgKSd/gH8JpGeS6lR553Xvd/WEBKYNLQOLXqg0iA1N5c/0p41RuFuHMPjQvH/aT7 0D761TJ2ad37hiUXHl/7FpKmQwIdp9qs1ltNxXCYWMeM4uFFft0TbKYv/4fZdXhW WCAVQkSjKNdrzMK2VHmUdIbnereShLXOdSSpxjzukXTzSAWM1b7977nP67Wg2jIC 1IOFITbe7aSBJcyGPHh5QJkLGGO1U2R0j8xJDlkvbIf1QQhakaawfDsCXJcnM7C0 wCkiMKdLSAImFZ5rJbDM2lTaNXG24g== =3mwT -----END PGP SIGNATURE-----