-----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-mumble-16.0-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-mumble-16.0-buster-amd64.ova 5f5dae5aaf5f7f613e29ec2cef184df9d0fdaa80e1b01f7b109f2f5c09360e7c turnkey-mumble-16.0-buster-amd64.ova $ sha512sum turnkey-mumble-16.0-buster-amd64.ova 5d527619d363dbb10643a41613cd601e3609e47c323dac8e57b28e70b38ddec31d1d199336de7ba327c5d61f5e78e996080494af9fd4f6288c7d2c849854e72b turnkey-mumble-16.0-buster-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-mumble-16.0-buster-amd64.ova.hash turnkey-mumble-16.0-buster-amd64.ova: OK $ sha512sum -c turnkey-mumble-16.0-buster-amd64.ova.hash turnkey-mumble-16.0-buster-amd64.ova: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8UCgMACgkQrF6wBJPl vBxhwRAAr0DLoakPG4MbGfj1Ht30wdR3NAbuNHOr5i37reUz23i4oRKT7mrYE1Qv 1xQuBQsx3dUvCcDuO0p6KQDiriChJKP2vXNOPe9WVXs9vNQbc0PuE60S0BaAYNC7 cMlTuPBY4LO+wnmttM6PoS5Srvj4nQnGnlMGCp1myKpKIAAjYTe0oQs1wyAG7FTk 9jEya9cLxDTnrjvR9IPe2lKMLJlv8E6q8j3M/Xzw3zbxzVSrLLx+Zc4HGLpKiK9k VLQBTX0bBalAfe8H6H8kHUBqzPV+Q9WfQR2fbnuZwSGeJCzBuS9Uh1t0F3wxuyAo kisnHUcxy4zEEoVgUMg2d8pB35JDF9htcF10u/ATbHS/taWjCS77gCvCdE2fm+ba Kx7qtie8t9X0BxiKTONLAxSDZItV3k3NymGd4XjThhxwKy0lj53W33mn2xc2AQjM 5tH3jVJ84OmrRlewu5ug4J4+/TdqatMN6Dw3OybI4PW8EKqTJMUHTFGhE/S76axZ Teps62t6gZ8HThuwnhbmZ3BBFP2zkehsXRI9kCu8i3/I1qqxsfSGKgHDR5XnvK9W Fmm/wzGfW8Qsl3pt4hFAMOHLBpLaaNQboYMZU5QoTPCkfcQq/tj8mHMyhq6LL1Uh s73vfAyur6WUoL7MwE+Jpkt4qsryoD9uQPd1ECT+nGjY85gp1XM= =LJT7 -----END PGP SIGNATURE-----