-----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-bugzilla-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-bugzilla-15.0-stretch-amd64.iso 63f110691e504136751f66a41488ebc254b2568e36ea32a866c1671422479366 turnkey-bugzilla-15.0-stretch-amd64.iso $ sha512sum turnkey-bugzilla-15.0-stretch-amd64.iso 83995ab9e4bacb900c2c6a9afd9ebb7ee397904104d7f086735cac45f406eff5b4b5c72963fd4f5525a090218ffbebf2de9ddd267d80fa183b6b16aa87748ab4 turnkey-bugzilla-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-bugzilla-15.0-stretch-amd64.iso.hash turnkey-bugzilla-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-bugzilla-15.0-stretch-amd64.iso.hash turnkey-bugzilla-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluD9TkACgkQhcJelaFu uU19Xgf9ElVXEN+UhgyXpyTtnV8InkW8oeqV6atOtHa182Rr0v4wUjWA5FwL8De2 tN27OAaEdTREpLTdrLrrb6kd2SRO9RYv/31z2KVwA/RNlMPuq0VP+P7eLqF5r9Zg qbtlz9wLqdpOxQsuBcUU+8n7zeUclK8IjGgaBr+PFvMG4n9rz/s3BYPg+h2ZIGNU EvIMekLI2t9txPk4yUF2gZzY5DuW3KUMsAhDEmlrQK9tudmgHCaYwyCWHhbh77vC PFOkmJ84do+oEuFjzCx0OGAOv+3YNMnNcBCj4XlQ5abiTJNFwn/cPnttpeY8yPhZ jdql5dBomsNCDonMDd9fzIRwi21+PQ== =/OdL -----END PGP SIGNATURE-----