-----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-15.1-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-15.1-stretch-amd64-xen.tar.bz2 e630349b8e59911f302971676ef816f6a580e2dac7c3d3b6033bd54553cf0e10 turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2 $ sha512sum turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2 6dd1c9c09a8a8baac1951599f682708615634b7434872f7078bc632b686951ae7f2f629dde8cc4ca2db92f3201a40490a94c6adfb08ae7f3b248f7fdba927ed7 turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2: OK $ sha512sum -c turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2.hash turnkey-jenkins-15.1-stretch-amd64-xen.tar.bz2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPQACgkQhcJelaFu uU2NdQgAyL3Euo9TzixpsSt2wkswpUSElEOobDncJiBin/1Cdsc174UznvcjR7f3 CIcWkRcklBCKpuTANIuyMq3E999JTvBLnnvzrRbrxNuhInrfZNBgrf479vCVdPku Ki2Ga2iCLQw6cIacFTrxO10oVJ/oSdo3/K+V7tBaUnujdAse8eo3mq1AMMDz2Q74 ZHJQLYJ02RjbT+EAaiExsTRA/gB3ES0xcZvM3TeRCX05EluygC1ahWnG70vknyZP /e5+7M8TJN1SAM04JwPFrJEG19krTvB4QbLuUsRxUUYZteOx6JHl4109dfKvUY76 QbYUHhxgMfXlFx2WSWy4uR5ubekoJw== =pQ2K -----END PGP SIGNATURE-----