-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 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://keybase.io/turnkeylinux/pgp_keys.asc | gpg --import $ gpg --list-keys --with-fingerprint release@turnkeylinux.com pub 2048R/A16EB94D 2008-08-15 [expires: 2023-08-12] Key fingerprint = 694C FF26 795A 29BA E07B 4EB5 85C2 5E95 A16E B94D uid Turnkey Linux Release Key $ gpg --verify debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz.hash gpg: Signature made using RSA key ID A16EB94D gpg: Good signature from "Turnkey Linux Release Key " For extra credit you can validate the key's authenticity at: https://keybase.io/turnkeylinux 2. Recalculate the image hash and make sure it matches your choice of hash below. $ sha256sum debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz bb16a87f86fc711add04b9c80f3b89c0010f4c7c2a070a79fdcd8ddfdf5a893e debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz $ sha512sum debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz e6fd64404d35fe58ed40393df2d8da96598a3122ffffac1775493750175c8a3fe23a62e0e9778383046133f53f639524f8dfc3c8e9522daf5d819f96f6cc38bc debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz.hash debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz.hash debian-9-turnkey-drupal7_15.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pg0ACgkQhcJelaFu uU1m0AgAs7s99J0VS4OBSEQEb1zhjqxYkB0W+PN3StEE/WO/Eu4VMDNCfR8zczJE RzHpFgf1paTkibS5060nkB310GtrbILbfYMjSCLfzQf0K5IRtmznKYOu9e0PxkPa hI6rtpXntFPxfzSdcFqpFM42LXMYW2T59gb8yhsCdUM68pgr8kuG9zbWEYe6LfN3 X9E74DIfugNjlYGr2m3z00744uRhRwGHDHxhf58/hDO41SeEmjVF2lxdjF/jlyLE IW0pzSGMVYjeQ5hZRLPup87IQE0s6PU6VbwVhd6xzfEaCMqC4mMtj3cE0bBAr1kp 2+Yh/gblzl+O36r+mgEb2nDezNfmPg== =F0PR -----END PGP SIGNATURE-----