-----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-owncloud_15.2-1_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-owncloud_15.2-1_amd64.tar.gz b5556a5d7478403f8e1d3bbb3d49278e5d76ad43febbfbb86e5ab77ce196b2b1 debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz $ sha512sum debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz c772171fe2075231cd5d0c8ada342efa4e93c7be7943a81b0c7073b83a252bc27c2bf1ba3b91c8cb37d803af5c65cdf51fa34f58c8aa8cce9c73ac9ae1830f12 debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz Note, you can compare hashes automatically:: $ sha256sum -c debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz.hash debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz: OK $ sha512sum -c debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz.hash debian-9-turnkey-owncloud_15.2-1_amd64.tar.gz: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAl0TG/0ACgkQhcJelaFu uU2b9QgAw5GhITEKdAr3DyO4nH7B50kjZQuGGqNUgxz7F8ZezlbETp1ClLCUoHdq 2TqPY2aZcferdCfgwDC9bgu2ItlKAEMdNygwd58w2iy4jdlVLViBb4OVw0zHM7L6 COqDGtNbIiKeWjzuVU8tdjFBZZbNXjDV1y/+2/M8tcCLzLAmQXtgyvaiIVlVlMqw bSzpRTZCH8U6TBySIUyGselEzB+kQZK3aU9AF/XEGDEGTSkc/VsE2HQbqw5s7Om5 AL05oVhBHqxbE3mOQVHDMelwfjBKLc0bNlMsJdODNrnQJi65MJTWqm4DHH0TbSfD 50/rq5u50o3mdDLNv2le3oOLzng26g== =jtPk -----END PGP SIGNATURE-----