-----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-syncthing-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-syncthing-16.0-buster-amd64.iso a82199d0b3e5e07fea477731db23bf19a84bfc04eb15e881eed5ecc066574d4e turnkey-syncthing-16.0-buster-amd64.iso $ sha512sum turnkey-syncthing-16.0-buster-amd64.iso e0121cff3b474d403aae25ca3ba8b51c1a2a05ae1bbfad8a0f66b6f80173905f0c61ef840ce74456e04c686a761ffd5e2115a6d7032bb008277088f0fe14a35e turnkey-syncthing-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-syncthing-16.0-buster-amd64.iso.hash turnkey-syncthing-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-syncthing-16.0-buster-amd64.iso.hash turnkey-syncthing-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl8UCgQACgkQrF6wBJPl vBzKaBAAjwkNQtBPZBXQOLXHix3IMObhRMfeA3fO6bfUYx7i88BfwHuT8TqQmy/h LF6lRT//gWN0uAVSa3iivezDRccnU0aJhAlslPKEnyrk5sLaw0hbjDcpbw7aVWX2 esH5K5s1jxE76gykk3/yOVAv3CTo/GAztNAvob5jcQRVZtvC8noSmoBdp555B5Eb q0IGYRM9N5BKc7STqquRWSBd9A60mn+mMspUPIYH1bL9emdSR4w1BRq58cb7w5Au QxmKpeznqFi13XvFGRWeYBHM+LK7qEPS0OaQKKwcKjcG++ZW9a3NQRirdyEG15Lk gUa3muay+8Uu5qphPGgq5ZfSRJqY/7Vb4rMiTZ63eQZ1veEmNQ8dV3UAV1CUNuZK V+djS4m1j+6tfnnaazLert4sj54dhMs/8milOgwxCkwLnPKBy2NEgJ7l3tu4+ZYU HFQUKqcB7xbBl5iwzrak0lvVzwHJ7pmJY82zcIXh+nwfFa0IGhzQDY1pcRfwhsTt +/h6+K3XUdVE3mnKVNLtSdqGNA/VLIDNpgbDWVEFUG+16tNvTspCR6i/KgChxlQI ZCYscSIO6Cy32OWEUYCbivR0RPY++cmb/5qixxxoWU32TK1uLhWYiBeS3/V5+sTD lz90D0Y6T5DLd4hgDGLmBchIz6mTsPUdUnrnrfgkHUf58j40vIQ= =t8XL -----END PGP SIGNATURE-----