-----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-jenkins-15.3-stretch-amd64-xen.tar.bz2.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-jenkins-15.3-stretch-amd64-xen.tar.bz2 2cde64fe0a0383fe83eca136e769521a46f2e4cfb8d89505f616b1297e6bf976 turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2 861629ed0c080792d4d915a3ed291d72bc9c6cebeb43d38c930276119cc0c4429b60f1651d983bb9a3d8d15ed16896f137d99e5b53764a5c66e339bccd1c1bbd turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2.hash turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2.hash turnkey-jenkins-15.3-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/piMACgkQhcJelaFu uU2oBwf+IFz2q84eYnEs9BlZdsXgfihLAHAp/zsAErbUe4tDxkExSCxUqGO15uoE uJiqB5xjNaV5TH3sgJ8C5lHxSI28cW6fwm9uz6VwcIs8WLrdbzUrFHTTc1OQIX0M cxRzlklAXOpONeaaiY1GmWDrSe3D4qLx2hlAQ4KEFBc+OG7JiECJbhCzAOZMBUdp MLhiySaQyBhm2YrlF9gWbNjaAj4P0Rm0+Y4Z7wMhcexxV5b5Mlj5p8vT0YcHn9eE qHINXiIHx5uzrjgNU3wkimVbmyNAsjJCaASRLZNng4xLrqCNrMnWWW2FdnyAHJfX vpqk7ti/zXYpMeLj3egK0GYuZKMlmA== =hD6U -----END PGP SIGNATURE-----