-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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://raw.githubusercontent.com/turnkeylinux/common/master/keys/tkl-buster-images.asc | gpg --import $ gpg --list-keys --with-fingerprint release-buster-images@turnkeylinux.org pub rsa4096 2020-02-05 [SC] [expires: 2040-01-31] A8B2 EF42 8781 9B03 D351 6CCA 7623 1C20 425E 9772 uid [ unknown] TurnKey GNU/Linux Buster Images (GPG signing key for TurnKey Linux Buster Images) sub rsa4096 2020-02-05 [S] [expires: 2040-01-31] $ gpg --verify turnkey-tkldev-16.1-buster-amd64.iso.hash gpg: Signature made using RSA key ID A8B2EF4287819B03D3516CCA76231C20425E9772 gpg: Good signature from "0" 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum turnkey-tkldev-16.1-buster-amd64.iso aea32fa85e9124d1f23d225e7ea7f0b1d8a666d0071667bf850f48f955561bc9 turnkey-tkldev-16.1-buster-amd64.iso $ sha512sum turnkey-tkldev-16.1-buster-amd64.iso 6b70029a3a35da51f0736d92e2f2ef2cac905b58c856a1e2f4d4ba78493466d86bacf68c0a07458ebdfbef4c8a367874c6db0b49ceab72a0aef38e1e1bbb129e turnkey-tkldev-16.1-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tkldev-16.1-buster-amd64.iso.hash turnkey-tkldev-16.1-buster-amd64.iso: OK $ sha512sum -c turnkey-tkldev-16.1-buster-amd64.iso.hash turnkey-tkldev-16.1-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmCzPrkACgkQrF6wBJPl vByuzQ//QaOy4LsKZj/1n6p3tDNVlpnbLRk92mybjDbjqeaSg046vguFfSiIlBw1 MRJJoTgs2iH4wa6a+Du+lxrg1FAp9T4Ax8TPY8/R1+hizpaU5IQuMu0mBM+Hhg9e 6mB7SoNqeEhp4FRDLedZcg79yn8tkcIIuOv5fgsXlS3iziwwxQz2H29JzI842Zu8 5TfAUQYvcwPCgIHTV0KgZnLMaDSN+doTShMSt3u0mB2OZn8ORbtLn9nM3tXWLRha Ppf3taT3C2GOSAEFIfuip3NdfmwKCYeKbuhUPjngbgDk2pxt0aftvAVA8rhZ4Mpg wkZY/trJwkZj3PljHSiXGlmbuVVPYGpE4POCD60DfcfzljRr0T4CfuB9CbCeUbOQ WFILybFx/VAN23bWCnfP4rQqK2R+jMpeJoynyST/KfRb2uwLhhAa/rEdkFczqgkA muEhokY3nTXb+3tfWjn8WYNGTM3m3a8sNsxqs0QVfdUsuEjxKORAXq45XkaP7DCs qafXPH7ShJ53EhNA/zKLF9UpOUxiFBcf1kWpkty8pkyFUiLGl2iyVZ/2ItJ6r94/ oEtFp5tkOPlMe4AM34n+2qWrmKfApi65IYluPDHZQ+GvVSlga7t7yy8DsePEtkv+ vn+1jCktvTOf/FR7FdRerZYEKlTMSTzogXorRrW5Mmw/10d+Jmk= =yhBh -----END PGP SIGNATURE-----