-----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_15.1-1_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_15.1-1_amd64.tar.gz 8b188b19e8d446a036b93d87581eb504beca1295c3c5aa755271565803a4f101 debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz $ sha512sum debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz 880628867740d4642ca6049c79e25a5a0899a07f9d9cf35a3aa8b0fb42d1f8cbe7a34d65ef16ffd9e9d9e9f00df94e51598870c10a098be58b96ddd47e95046e debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz.hash debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz.hash debian-9-turnkey-drupal7_15.1-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEyBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITOkACgkQhcJelaFu uU1fJAf1EHanxXdVjajURkN3r8tGG8WeSA47B5r0ZyfxROKU8+zAIddux47Q8W++ 0SDbwlICRdskPk1X7l+BzmnHr/lpxa+F1v86+zt8QeEmYqZy29Z15MGZtSCO49OU P3CXp5/ukjKEs+h40NmAxAQba373YffX5BNUE9RnjL+ghq0c4PjIFBjc+w7BVNun HsW45XrX0IPzfa5pLiLbaYJAzMeAhjwdnEKMWto4O0njK31shl8wXxRVfd/jPdL+ UbG4D+f7rSO3E2ikwUZv6he0cB9FUv+M3ZkE/YWcQA9/1nC47M81sPS/5LfU4CeF GkbRjSZiY+LG074ngsTXYWlPyffP =Pmq5 -----END PGP SIGNATURE-----