-----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 turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2.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 turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2 68a26f93312b67767498e64efa20e38a5daef60e74f6f0ac0af968a8e04568af turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2 1dc1b48f093fa542730f55f6c700f8bba39316de5235babca950aa527f0ae77a0a6671c6110bea04ef0cf19ed5e7f040d4e80843fa2e5ebcaff4b401386de059 turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2.hash turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2.hash turnkey-joomla3-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlte12QACgkQhcJelaFu uU3PHQf/c0UBntPS6mOOXz0JO+brJsvjeU+eipLQFNm9+FYqlV37BfXTBEXgvsRE t1viupji0m6cXa+ExFqVmV0Mu/0E6EFvu537CZZw1pLmNxlw0F81nvQJADYVCaPy NYEENaoB44Ua8g7ThtMTzGlwWyVkkpkRE/HOhd7NxbebSHoAn6jETKr1Fv+KXEdu lekktAwLyY0pTEm94N1wROQpJYjMmJKdzI97Wj3iAPA/QtvMAPmdjGqMGck8y7Fr B8aqyOUPSd5uu15Wid6I6wm8zFxnetB+pF0eCGvKh9rqL0Qiyq3FJi2eQcVqISxG /fLl0UNc0WWU6bUpEIQcX+qfCuBLXQ== =KdBK -----END PGP SIGNATURE-----