-----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 debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz.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 debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz 60119710aae818b33a423107c301990470b4cda972f6fa5329f52485a0c67056 debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz $ sha512sum debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz e430b36813642d7560ccc2e3e2677ca4641139e3b2f2511b928345e188c7fc2875d20a4bbfbdef6320eca036c3e7c34db919a6503b9ca931995d8c24ee048892 debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz.hash debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz.hash debian-10-turnkey-concrete5_16.0-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAl66q5YACgkQrF6wBJPl vBzctw//QSSjpGsYbQEdDuXLh7UrSwP8Wh9t4QkwH0vXXW92JOnF3XY4dTbBo/Yq SGrOhiWMXdOAClR0itdG5+BuCFtKMQilwwydFi1gnvp63hKlnRzYJ1X6SRHLB3y9 tGCwZMMcvHblL2ZCEuG9+6KWBQ3HormbdNJ9iEuOxAo7S6gNwVsyUFQ6gSvYqBnP x0UInMjp5jZrLU07pgvpBcw5jr5Ib/HC6mMpyM+d8TdyMNqU9rJ17TwluYESIiS/ 9Oc6WS+uqRXW0e8Z4x9me40azvkqCxSStb0NJ7GMKe4icrpBYPmwlq8icIJ0ZFp8 rD3U/qSzQNaG/zT6iUSbbh2A+yOMrtFIwpHHxIuprRjDrYbnCwm37oL5ukNDiVVq ij8cG4j5e4MPeHI6QnXDjurdo287iMwUJueRY7ul1njTm9qYnHszPgHlYeha4/g1 y4so49APx6OeHyMcO5mxabGdmVrJrzFsHxAj0EgrClcaNblVe2Olpgvcduh0xfka zpa5jDuBNOmfuXx6h9gtYz6p2ztJNu8sOmOTTEtgRwpH5rdgCxvWsM9Xwak4g3P+ ReHBhDQzps6FE9mFRxRZK+9FBs2v9fhVKHYlIgMP6uQd0RYP+eOSEX3oU3en0ZXf WBkSmj4egsL7n75/GfZHD1PwMzE2K+EB7w9v7ZQ3zFWDGZhUp/Y= =6ZmY -----END PGP SIGNATURE-----