-----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-syncthing-15.0-stretch-amd64-openstack.qcow2.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-syncthing-15.0-stretch-amd64-openstack.qcow2 e1c8442d25f835b7158f95c911abf5b6743ec989e475485e8615c56f4bfc04ab turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2 2b8b207c363e373b5ac3a1cbc07d0c9ce824492dc0342bdf5156aad1004aebba741777701119913e6f6a12392628afb8887b2b91cdfe4350c093da72368ea5ca turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2.hash turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2.hash turnkey-syncthing-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++sACgkQhcJelaFu uU2vvAf/XFr7k/Ph6ZqYMObNOVJ0ixXwF8ldQPKDHT0bvv48r/Q25mHd6cMIK3Cz G3qY5W2ubxnCoI2G4Ghf8mkvqSQLM+m+XgcxyzEWBLzkmg3WoKJORM8hzpwnarte tm44CgxH90u5Ij5B+EXOLyaZuNtgGIwJbbOAgTJbQ4nWh6izGVTU1Orl1jeUkUrT ObcyYReG2w+LcFtDLF/TbzwVI+Rso4VEApbk8Dav1rzKxJTJ2DDefNwozR+aW40H juB7nx65InC7JLExatG/aIWJVG95LYDUtu6mkocpSZqX9fzMMXBcrAFRu/NLQBjI db8K9fid/MR6oCLbARgqEWoCFLQVlw== =zB36 -----END PGP SIGNATURE-----