-----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-ansible-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-ansible-15.0-stretch-amd64.iso 16064bdb0766f4e66979427d74598992f40fc27cf422c268a7575f5be2f84c4a turnkey-ansible-15.0-stretch-amd64.iso $ sha512sum turnkey-ansible-15.0-stretch-amd64.iso 6ebe80df74e697a6ea22331053d3b40ddbb01ab899250f9bc4bbc9e4bf51fcb839e5a85f92304c6f7c19b1e16ac7f42c84c1e65ef0cb936cf56a284896b0187f turnkey-ansible-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-ansible-15.0-stretch-amd64.iso.hash turnkey-ansible-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-ansible-15.0-stretch-amd64.iso.hash turnkey-ansible-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOwACgkQhcJelaFu uU2skggAuUoywZN3/YN8dsMkMIIN19tgOrGfqiijlSLyFZ75eTDcTyjlVDwTmwTD 6zrZRUFi9xR35XhhtOmls5yC+qau9yStObOvztc+ICvXBKXThiOwP4WkplX28ZKv WUEF5kbWfYSFy+1WT71Upkbx8V/F2DRmwLYHDgjTBT98tFozIwGr3DnMVbvg7Y0W J03Ri9YBEB3jb2PfzsuSVnzLBk7Z72ywBADJqeT0AAsODP73TwovHM61KA01cHFq abI8vttGfvnepahB7rKPB2ptYnAp73wguk5E7FtEZuuo5mxu9tnO6u9WjSZBVVQI QmRSfC9+lDERFERmEOgfJ3N6bLo1tA== =7g1a -----END PGP SIGNATURE-----