-----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-suitecrm-15.2-stretch-amd64.ova.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-suitecrm-15.2-stretch-amd64.ova 708ce356bd8c82ed5e11fa2fe92beeedafb8c6050679ee90e453fe432f0aff30 turnkey-suitecrm-15.2-stretch-amd64.ova $ sha512sum turnkey-suitecrm-15.2-stretch-amd64.ova d01ffa73c220671871ed3e83b83d2fb7c774fbe3d9d429f2751617d233b376f362563fe7560f2aee884ef612516d33557e89f21b0540191fb8cc1967c582cec9 turnkey-suitecrm-15.2-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-suitecrm-15.2-stretch-amd64.ova.hash turnkey-suitecrm-15.2-stretch-amd64.ova: OK $ sha512sum -c turnkey-suitecrm-15.2-stretch-amd64.ova.hash turnkey-suitecrm-15.2-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pjkACgkQhcJelaFu uU3eHQf/XL7xR82Ntlyw3pqiBkLW5E8cceoYU93ETJEUfeaAe98MnOtvg+3vVOUZ aJgwG3z2A3xDMKvJ1yD/ZqH6RQ++FJfTiw5WXmNwMZ4FJDbaQ9f1YCTXtZDAJPJq b/nq8ueWb1NKXlv3atq/kaIuJW7QcCBYs5Eh8I5pstV4w/hglkPq2LyekBJIlh3c b+Qio+gSqPEfIZGTqt2fopfteW036OqIG6bZXBwhcA7qKBL6HCSuDhl3NZAMItho gk9UNk74bEUfjSjz/EWCOa0EFwEDrhzzDPaqpDAIab+R8TrbbPhp6k8FceHmxBPQ NOt4pUK0Yq52bb3DsBLUHD08DamjtQ== =E20Q -----END PGP SIGNATURE-----