-----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-canvas-16.0-buster-amd64.iso.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-canvas-16.0-buster-amd64.iso 58284d24fd77ce67e53345e636389a2e5d0a914a5185a609c90d474ad949d458 turnkey-canvas-16.0-buster-amd64.iso $ sha512sum turnkey-canvas-16.0-buster-amd64.iso f60b9c2fa4f6ab99ab4770208685bec9a1ebcb1b2ae537c872537c8cccdc6a910c1a866762e5aa36f08bcca23fccb36382ed362b6fb6e0bcf6cfad7a787329f2 turnkey-canvas-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-canvas-16.0-buster-amd64.iso.hash turnkey-canvas-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-canvas-16.0-buster-amd64.iso.hash turnkey-canvas-16.0-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7KTbAACgkQrF6wBJPl vByFxg//TJTLW6K2QANSkg0tl8e+VeO16hOODqw3UsTmGYwr0vVi/tsUeaITmM/N E1oBXP6KfT229kK7zqt26k0IpSEiqOnNXWf1GxegNNCnLGSbUKk8j0EiKW6AcZ5D kGrxlVMhaPA6lB4pAV46noEa7yqOqYhKa7f6w0lVU+OHzlfH/95AirOLfBH9o022 BVSnHIRJ14qYJ3rDIDHiedTVxtOe7o4PM0k45aWiwFcG7piuyNF63NfuNwxjMno1 Zjx/8/7Hmzm5Ol6wf9dGqlgRQ5cwvoEaD2Eb7xNywsuZeylmk0BFzIQ4Ibz7/8ld KEz+LlgzirqGy2sHmBS69l2u/tsHieXLGkF9H1n9j+IpG6qldY9OkLhfDNwrAAEf A1V4+HbrfVCORfwebUtdWPunKzH8GKy2j1nr0R50Y3S+m2V4UwfEzVF2lGT2x2pT BIZlp3ZyZzkBTmW+chiPvLnNxUAgLDhAYd4z/L7F/B5m36pgj4wWX2xayy3cmRd5 kTRPRq4PHKYo0YPs6bPDAaCadzfR03IPT1EMkOh7o79ziSGSAGxFjoXXWbCNwATD X06cPjUsoSIpPPKCsX85SBM+ibbhrIwPoCW/DvcH+/lYX9Iksef54pVODcDzOj0r K5fGfzVF9sqao8Q1cRMlDf6gCSFmDopMIUkqkKkKcW8H7SCMjE4= =oRgQ -----END PGP SIGNATURE-----