-----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-otrs-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-otrs-15.0-stretch-amd64-openstack.qcow2 987eb1e52fe9993df5ed87511d537dba7df9423b1fe0eadea778aa4af279ec67 turnkey-otrs-15.0-stretch-amd64-openstack.qcow2 $ sha512sum turnkey-otrs-15.0-stretch-amd64-openstack.qcow2 424fd11f90bcc9ae47776837808dcdcd7572fa85e128100421f0b35b580299c5d8673157350e077dcbff3619bd782fc0c19d15808da828fa63c220b3791068d4 turnkey-otrs-15.0-stretch-amd64-openstack.qcow2 Note, you can compare hashes automatically:: $ sha256sum -c turnkey-otrs-15.0-stretch-amd64-openstack.qcow2.hash turnkey-otrs-15.0-stretch-amd64-openstack.qcow2: OK $ sha512sum -c turnkey-otrs-15.0-stretch-amd64-openstack.qcow2.hash turnkey-otrs-15.0-stretch-amd64-openstack.qcow2: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPsACgkQhcJelaFu uU2c3Af/Vl97GO1Bn2lIeXBBzkIAXq5HLzP9PldgH+Wow2pXwLwX5nMPZ3ZOLz7k gvm7K9pspgmQnejXCMjNvawHinlLG8o1wY4sbzBWE6gedm2d4x5dqpIWuzanyV2m TLuqVWydfZB/4fgnyzbxZM4OZfaoZqXDVLRi7DbZ9BKToMvk3M622ulqsPB58of8 qinNPJh/24b220V4vXa0vEbegpaagZ2TgJRPNEepQmrvVYDTnIMx8Gi+2IEicnce e08TUuNPNOfeG+VPuaxHXsJt3zXecwb1CvBI4TyMhlfAbVIFecGKQYVq0cUN8Re0 aqTfd9KzUWlXvb5Vgbpygh09aabkFw== =T2Lo -----END PGP SIGNATURE-----