-----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-drupal8-16.2-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-drupal8-16.2-buster-amd64.iso 36529070431bb394270ca01b4e5654ba1566fe044e76b93d7a17af561a061bbc turnkey-drupal8-16.2-buster-amd64.iso $ sha512sum turnkey-drupal8-16.2-buster-amd64.iso 9b82cf2733ccb8b78d4ef358da43262b576946ce7ea632d86907cf41d59a7547877273e1d93c8bd806721ba2f8408e99b95f5c8b46abce1997b5e10b25fee843 turnkey-drupal8-16.2-buster-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-drupal8-16.2-buster-amd64.iso.hash turnkey-drupal8-16.2-buster-amd64.iso: OK $ sha512sum -c turnkey-drupal8-16.2-buster-amd64.iso.hash turnkey-drupal8-16.2-buster-amd64.iso: OK Final note, when checking SHAs automatically, please ignore warning noting that some lines are improperly formatted. -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE8ZCki1TcVrLH8k3LrF6wBJPlvBwFAmE0pOkACgkQrF6wBJPl vBz1pw//Vt0bwWsLvB7GbZe6htG75j6a0/NcstjixofJxVDmV4e6kQcyXzN+eYE+ t+YFJIc+2tMlNbjCDmi29l8oRPiAPwbOwFLO5cu9VS4al9Xm8Y9X00yX8IH8z5Zd 2hKndageH6CNMrZNXQRezaF/Soncx9IctAkNaHSf1LhyWvZ1gXlChfOzLb3iOYlO EAxErjXeqFaDB7eEwebqeBg8Vzv2aIoY8ARJqn2CuxPJmWHAbBA3UuJMxHTnx0dS WfM5BfcCI65fdC4fdlTltt8IXBNpoFrpo/wUj/cOFAiYFZt6aRLnfgSlXjJ+swHP LrOyrRYvgi1xAj4t1X319/4/VL86v7uSEEgwtuiHV+K+PHYBQYQtJXjuLqx9Fb8n OFQZeFEYJBBrFmiQIPNHRRFZz4ZSxA06tvnNCnLFUIiMtmufi5Abz5LFw3MCU3Gt dfEsCC6TfhaLK4WnSJZcyH2QHuNxgfE0Io/vCSCFV+qIFgDtx0wXblUvfONwjkLS Zfd0dWC9lCVOTwYqxHuGWMF/byq6zcalUw0gttTSg6WQANXyXjZBEDYYaEpPj1w1 uhPxRzWm+Y4PJuCJXAkS+Ub3GC54hOpyBs1O5sfM757kysvd0F8EouSmrVCN92yW 9i0msckg61JPJdYBQOz8a7Al8OukaVXv1L7FPU9z5nzSqy2rzw8= =yWao -----END PGP SIGNATURE-----