-----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-tracks-16.0-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-tracks-16.0-buster-amd64.iso 7f8361ebe070184b9b0d02371fd57c0644217c56546cb3e024bceb142debcfd2 turnkey-tracks-16.0-buster-amd64.iso $ sha512sum turnkey-tracks-16.0-buster-amd64.iso f47c317be36bb7a2ce906d1bd5d691e197cac097745cf69cb21a32c756d7a5b52232065eb3e92771e1f13d25cd4d2cde6c53aef0c273b02e94da35577b0726fe turnkey-tracks-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tracks-16.0-buster-amd64.iso.hash turnkey-tracks-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-tracks-16.0-buster-amd64.iso.hash turnkey-tracks-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8Bl5oACgkQrF6wBJPl vBzXpBAAuNsztjpWBQeNa4YSmMASOOLd4MTkLK5sgvk9oq+rOv5Pt8LJRTP/wKfm OZNJO2+IfUxosdyISq2rdn4WWipT9BXfxmbFU4mYsV5vec1z/B26MAjNUShdWAec UoqfkZaS9dRfRDU6XXn+0Hah+t60tLVC3bTqfItkWYT07YvPOdrOc8I1K2TIzdv9 sDQnttRXxtVhWPhQ+wdavIaEZ/tQsZulivnEvB6FVJdHgyTthYYF5qi7t9LEpLlW ayY97a+gDcySSanWpypX+4h8LSDL3nxg0wXGWbXLOCjnZ/L1e14AAHnHLFKfqCHV jwD5AhAiTASjZptaCiCMYzi+sn5RKu2wsI91ovs3jd/E89n+9lpzPbpdji+eHsHS mrtRgezNYKA+eR8pZ1sH8ulKuXh9D8k44OQsD4VeE4Mo9NPXCFowx6uXnFn1D8Yj SFnE/6D/xZdXQBaZAQH3/yJaHjeQuHpKeGtm4SffNmh4i1cK9ogBs1pJRBdrPh4b 5oB00MLFXJY81Lif0qlSKPg+mOPoQjwBikKy0LQwFsOqvOt7wUJ6KKzSPRm18h9h 3YehgPtEuA9ILHJAuYEhwIQYzUX2OhLiqExWFPlsOJwKmitEN3mx52wPRRr1X9TD 4YZ7wVDxMf2nkdrXDeVhD4BUJH+dpYz4IryHk2SPW2zdoCFuS8Y= =yyAM -----END PGP SIGNATURE-----