-----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-zoneminder-15.0-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-zoneminder-15.0-stretch-amd64.ova ad9e2c89e96c9f410a7f01e3405d9815db67c1300c6415fdd304a3f900fe70a7 turnkey-zoneminder-15.0-stretch-amd64.ova $ sha512sum turnkey-zoneminder-15.0-stretch-amd64.ova 7449ce0da3380512b11501b7c8c96444c6fe4feac5a1d2fbc052d696a3c4ab62a4f68306dbe8de49f37826a8188d6a3ba9088d08c4e47a056393368262576900 turnkey-zoneminder-15.0-stretch-amd64.ova Note, you can compare hashes automatically:: $ sha256sum -c turnkey-zoneminder-15.0-stretch-amd64.ova.hash turnkey-zoneminder-15.0-stretch-amd64.ova: OK $ sha512sum -c turnkey-zoneminder-15.0-stretch-amd64.ova.hash turnkey-zoneminder-15.0-stretch-amd64.ova: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAluM++8ACgkQhcJelaFu uU05Ugf9EWbGveeId4SG8nU4cjrKWwCqUKxFZE5TyI4/W54Rq1X6ZhRAO/CuFUm4 ByyrHO2pl1vxoueZRLszA6Onb8lirT5yrVj5G+bHHHe7Smbw6kltpYsQNHMJ45Je GVxso8zSkfTdiaodt/FV6zjVZRq8nRVs6z6JF3A/G0Ug+5E0xfx0Va8izYV0Y9bV fybFH1Cxm0L9gxoFyJAyZTn8dhGhLv76+7jC7Nq7FxFz0uw8IZsivkoP277Hgl/m K2g97Nb6Ep4WnnPp6dcCu3yBLkcKGOa+YYNt/dxLh8YzPci8RzUwVmUx18g/rqTG Yukve9CPbWgtcMRf7/DKxtZlg78IgQ== =1gpa -----END PGP SIGNATURE-----