-----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-suitecrm_16.1-1_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-suitecrm_16.1-1_amd64.tar.gz 4afa8edcf056411b9591b50d3b349f446692ef8dd3ee578adbd3ce1f70d8d9ba debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz $ sha512sum debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz 46afc55e6fab0cc7804884da9624e62e57909cf514e8e259f4082b98db2c1693244e5f2c347f626ea30fba99ad5a96cf08d848c8fada099f832bc2a6b8692cc2 debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz.hash debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz: OK $ sha512sum -c debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz.hash debian-10-turnkey-suitecrm_16.1-1_amd64.tar.gz: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmA7b5IACgkQrF6wBJPl vBwgVg/9HagmSe8WfL+ZwS/OgE6XQTdJS6s5jp1QIKeoFNO0Ed8E1fMj7qVsUlUM qsVdb+DpgYLizeIOwpEP5LtkO6Rj32+eJxOU3fJSDf4TJSavxgf9nKK7njrYM3YQ +EjnD3Kzed2sGr4AVhRk6UksWa/kHJUmiCvc4sq0ZoeBNb6ZnH7/cG3NM3H9XMTt UNKfUxG72ebcmC1zYb3gUvkMiUtdJmmqTplU2RMNth7SedUC0YnElrsM4fdya/af fX4yJInIsdStmr9ds9EYCR1MbAb8qyR9ria4fnWRhCJRSeRCl85p/VyG2rj1KUWZ ++diLFcvyQJM5k6I7noMiUfLTJFkPty4cBq8uAsiJCYu3Qu+uASQS75EUM5bYDg2 t0Y8y6JKXwB3Mye1uLMd17cRBEHw3UMbhhoxRJFci7xzUdK6Mu//yp1DuVhEzVMX y3ye+UE1UFl9dU/GzzEBJRoYlc/Koaj6vC5LSLJgKjt/8DwLdO+YcKA3dhIdD8e5 lVTZkrYPKYzBGjI32DiMU8JdxESXThfUVa/RNJeE4NUX/JXipdPBFW7/mnViH0VE hp71NIhG/G+4VWql3fBRCSwT5eZ2fDGXKWEC0GxEJJzxrVgT5AkcndjBPrO7Zbt0 c47IbEigFsMXozQ8yaS5KqeYetVVJtp6X8ZL0sDwVyfNjwnZHPQ= =Gx+4 -----END PGP SIGNATURE-----