-----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-elgg-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-elgg-16.0-buster-amd64.iso 8b97940ff68e0695cf7aa74d8dca574b7f097a46c85ff774d665eaa8ac1d4bca turnkey-elgg-16.0-buster-amd64.iso $ sha512sum turnkey-elgg-16.0-buster-amd64.iso 052c173cd402656ab8aae8d1f637834e9c924cb00bc37bf196cb754282aebede792bfc59c995f07e66763dd673f12767a59d859f42a9835c9170bdc474e3a4f5 turnkey-elgg-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-elgg-16.0-buster-amd64.iso.hash turnkey-elgg-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-elgg-16.0-buster-amd64.iso.hash turnkey-elgg-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl7BD84ACgkQrF6wBJPl vBzubg/9HkFi+tF2grJquDOG/c83FUROVZk3hubQW8QwadCiclGyzta9Lp8BpZnG qpMhvsVe4OVRv/P3oGIXg3iO5nERIh7IsmTxtOtd7Tz70wpfmFM9BmADl9ar1vFH pBYtBIFcd69ZcNXxmmSs+Tj2yuwHXbVEcd+JzufIzMRc4JVctsBOUcrRhRt0wE/q d8uTfyv6BcrsXOpmcORKvrzUh5sqn/WbApJVKqG9xcMrX+cyNpwtRdwJuew0wznK YIabNJ/DlH8v0R+sUJDnYRw8wzt8eR2sF95uYM7wJ4Vz3bLBidLnWoIl6f8kZfXL ORqLHgYKSg9SEHmktzMU6lci6LkKG/FFmOrQ5vx9LlzR4S5Z3OAzOdIVSmIsm/GG fVUgFXIsK5GTdolTuhDfMm4jiHK7SLf1LmYEDRNF0GlYzSIKJ8RezLL3Jf5fATGt 1yGRQX3Qn+r//vKDQnwwP8PUlZIYdbc/fP2qAtUTSBCgoK2kPqkZil5kDf+TXTL5 7q756ZWgyn384S6Jvi+qpfzfqNsEbfDtAMgH4t3Z7o64wVhZarBuIaJoahXryZjR hSZAlKazeqZBBVh6PichMzCdndu+owt/4UUhIfu/J6HlTfffmDlMqJOxFrnXC4/b A3w50KAPqXjdCR/yLxX7Px5TzJs6fLIxBf/m3DRYHv4YydcFNMU= =t3lQ -----END PGP SIGNATURE-----