-----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-gallery-15.0-stretch-amd64.iso.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-gallery-15.0-stretch-amd64.iso f39d3713bc27a7b87369a219e02bc49b4c26ec949f4b727457fe73db3d7ce294 turnkey-gallery-15.0-stretch-amd64.iso $ sha512sum turnkey-gallery-15.0-stretch-amd64.iso 037a9094d419480bc94ddfe95f31e0227d653381d13e0ff7436a92a32de8447566f01e178966dfb612c2b651cf0ba81fc73ce9220fbb28f20203769883f2fc9c turnkey-gallery-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-gallery-15.0-stretch-amd64.iso.hash turnkey-gallery-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-gallery-15.0-stretch-amd64.iso.hash turnkey-gallery-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAltMlTkACgkQhcJelaFu uU1qYQf/VIt1Sh5hHd1zbDGyeK5owHTY33iVjUNysASdaXJPmqQEiyhGNkS6skgw BpIbhaY2f6RO0ATiGXB/UvZHBakY/vFFDNqYS0cPwuues+9d6ASvq02GsX1n5lcD X6IjeW/kmVVH5tLh7G//v/qkLa1MB0691Aat8ZsIn/5Dt8bfL+LMW8SjmpKHIYxW uSZvOmGEclDS8Xl6736K6KcDlfyV79g/TMMtdl75CRQ45BPrCnAA/TNfsv7UCDjQ OcjXd11Rmyruox2+xF+GP5aRiyd3AVb60jGrfdRSq0worHfZJzdiDABQ9+GKOqcy OFaZY16ju4Zio71p0SgsNTImNFsulA== =Cqgn -----END PGP SIGNATURE-----