-----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-asp-net-core-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-asp-net-core-16.0-buster-amd64.iso 5685d17645ada22bfb78830af0c44d65a9d97c74db33e2e26c5fb7163b2dc31f turnkey-asp-net-core-16.0-buster-amd64.iso $ sha512sum turnkey-asp-net-core-16.0-buster-amd64.iso eae5642aeab46a2ed9efd953e5a04adfab39a9c95d090cbe438893159906aeb13b16577319c88a5b28b08d0f07def2f6c79d88027e119928a4da58cae61a9523 turnkey-asp-net-core-16.0-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-asp-net-core-16.0-buster-amd64.iso.hash turnkey-asp-net-core-16.0-buster-amd64.iso: OK $ sha512sum -c turnkey-asp-net-core-16.0-buster-amd64.iso.hash turnkey-asp-net-core-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----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl/YwaUACgkQrF6wBJPl vBydORAAn0JVgJzdUQVtKZopxOyHwQjPvhhtf+KwxeIN+IHWTXR54OtKlbG8cLIa 4ejah0z+Cqh+9Ul3rwxM5g52aTonYzxzm7NVEI7DNS84vFetHiVDhpO59vNz51qz l9gZbI5suF3dQbwnwKZe5Z7ggP9Y0EGWSqvxxlEp/H1tTJ9INYD1TEYDK1+DxrLv YFJIxtq7YLr7yprRdqHfynaQ0fXRSfo5CuR4DsUX4lw/jUhR0VGXQe76e9xcCiM8 99eswR0UfPQXiErtb+0yb6byfgB0gZghna1aULW99pfZGIuJDbSwdj4fb0foz4J8 hkmPegCmq9DuiSFTVHjdd25hzYn8jQa814NkPrVOpQ79bUTQoEPHWZvvRu/3Kt3z Tpb+2ch1GXzQonfS7GkuvM7skaim8Ln9kUu4v+C+H+3PvLx2ARsBmLwfn3+H634D he0T0nNnw4zI5cBeIDBCb5wbaZ7ECmY/r4RykGbeFvCiLg6Y+q3j68kb0BhUyaHw /xxhos4lEVsdBl4TFm/NFQshM6j1uzS0aH2z+4Yd1gdY4D4GFQ9K0JtU2xg4T1yv M0kWM7oLckHPV5jtRzlzhsIhU/Ge4/MT0pbnNp4NJR24AxSdxK+GwLFV8xIKl6xe D9YnTZAMyV58wnfm2s70+FJYrrW0IPaumPCNmsHhqOEfWL3EUX0= =GwTX -----END PGP SIGNATURE-----