-----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 debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz.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 debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz 70f2e1be738a80cb1c1e22d11e0e70bf0aa0cd37e4eb6cd5a2b8aec34503393d debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz 6791e799e393a2292267b0ec03635b2f2320a063c2d12619de05de2cb8de59edae89d9aba212c09479289a45e9e51578445f027debf4ce853362e891483078b6 debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz.hash debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz.hash debian-9-turnkey-silverstripe_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9sACgkQhcJelaFu uU0dDAgA4y7eAvg7W9i/s5QIGFQDNyaYjgvErXR65JBpUpup7SuJo9aZ/y+kZAcl vmyn8KsP7sp7LURCXwkIYsMfCMs+8pbZa5fxNZ4xO9UR1AC7yC1A4r6SogkY/sg2 hYHh5pI+zDTvxTzW7pFcIGmZNsoy/MgZ7hvTsrtwG3kaBtHnB+OYCWYLRNBEPwEL SnDyiPcriJzp2sVw4KojPPS4Wbrd3jpBvwSXh3Zp48Gsnc18FYAyRh+bhHCn09pU 2wpSOITmOGPfJA3dN8Y+nicHdT2CF9kLXjLy92ddvqk6mjsM/Fg74MRJR4OEW+Lz RtajfMc6dI2s7BH9mYpPnYuKYSDfFA== =h67n -----END PGP SIGNATURE-----