-----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-tomcat-apache-16.1-buster-amd64.ova.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-tomcat-apache-16.1-buster-amd64.ova 23a4d1ab9a264e7fe6b5b89ce13c3b954db13071e002ec5347be8fde7efaeafb turnkey-tomcat-apache-16.1-buster-amd64.ova $ sha512sum turnkey-tomcat-apache-16.1-buster-amd64.ova b73665b3039ed1a651167d48fd405fb2bcc2170fce63a2250be4586843a0572a551b5e003c9970306800c19f4259b9aa48be72a9b06270305a64e236974ca156 turnkey-tomcat-apache-16.1-buster-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-tomcat-apache-16.1-buster-amd64.ova.hash turnkey-tomcat-apache-16.1-buster-amd64.ova: OK $ sha512sum -c turnkey-tomcat-apache-16.1-buster-amd64.ova.hash turnkey-tomcat-apache-16.1-buster-amd64.ova: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmB729QACgkQrF6wBJPl vBxc/RAAvSwFGRLjs8nu9FZoydUngSdiFFpIV8e1tXSNvvQDWCQVxJ1zE5fEZrHP j17oeQTEZE7ZMEpCGuDD5BXLd5lksM21/vIczFRnCVH55OLR3EcUufygnBgZG3Rx FxD5ehBNmLCIpgtYhzo7z4wO+6tFcp4YKI2xCBeIQlWR+gKSusffbBvJAb1/fgZG oPVp9rACyQ9CdPY1IEyMNYeCl7TdgPfqLMDu2QJ2qel+NxWty3FBGlCzqefHMRD7 w5puGvf3tmn2XpDmjEjD7tnd48QQYmiSX08+RSHa+9/Pkdk7dEj2NuesK7xuKXYI wMy7b66Ek9i78GbaErFbPAaf86IRRSwk+vvZ1xJ1QUQelR43CMf7ax3O2eqpyPkR CoeaL1h7OM0G3DnCNFNmjrYMjLuVemL8xv5ajKRKL01IGkIzTb74IY9Gu/GxZks0 0OP5VzRI5sU3gBfE+IfBxCdWsXKOYgebTxq7RsFnIC9gI4Zwos703z2LSyVZe6KZ +JwVskXpUzOyBdNlB1DTAcgkOWOyrL2jtuEpjPdENo+LzbJ8T4WxAoC2uGS5jGpZ FoVEWfbc78PTIUu2ZArDuS13S3Zy8LdL1KPPECe7BgCJKQMmBj/FfMYU/d9zwAu+ BQXckcANMyUUXZq8GCfiLeJMiCsCGnK5nam1BpqyBEgdcZj8kV0= =zHqA -----END PGP SIGNATURE-----