-----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-processmaker_15.0-1_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-processmaker_15.0-1_amd64.tar.gz 5fadbfe35ea0a88e4e7bbd23f8108bce383b5f871e9ce5cefe31bbd03937d409 debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz $ sha512sum debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz 56a6d26d4dfb62c19f160df9eee8f6355113d03bd62db4943db27d1085bc89e23283292966426a2f84c447edc0c6d59aa67857d22b798442f9c826b27902dbf6 debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz.hash debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz.hash debian-9-turnkey-processmaker_15.0-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM+9oACgkQhcJelaFu uU0NZAf/aF88AMnx8thscevxaPOqefx+C9kTqIQoZV2O8SS8dpvqxkqPLt1WfH67 k8g5SGcnNe7yAP5w7XZevcAj67HZrXWcMXRNJfydEdSVF5gJXBOLY9mxDCdSPDok gGbsSzUIjhUG7JXIOYhO1QUWQnPuokz207phItZWmybPUW55O13G6I36zI2sygkY 6UyLa/PHrI1hkLWL3ZD66ZrvBxL6nakE7MiUkUn9dAYrHPEPIP3bpHKmP1s/0urg z5TEEPtXk1P2Jcn335O3bXw5x0M66bkHqiq13hODHtXd9omswxd3LjL7D7IsbaDi YMwrRwsxeWcz/AZlSbCq7EhEA5Pouw== =7cde -----END PGP SIGNATURE-----