-----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-elgg-14.2-jessie-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-elgg-14.2-jessie-amd64.iso cd2509a865651c55f78cb37dee7a659b9971e2a50d7eb357e31440dc9cab2a0e turnkey-elgg-14.2-jessie-amd64.iso $ sha512sum turnkey-elgg-14.2-jessie-amd64.iso 3b78ab4a918a6e83a7b9e051695142344592be719a51a6cc3ecc9df94aad80ff151b62099d3922e1a013bdb839f13384c08d72f05c29571083053e2b0941c94d turnkey-elgg-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-elgg-14.2-jessie-amd64.iso.hash turnkey-elgg-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-elgg-14.2-jessie-amd64.iso.hash turnkey-elgg-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZAJDpAAoJEIXCXpWhbrlNWt8IANoFKg0UsbjJQ37u9A7kijZX +HveHWmtcScQlpDxI87Vg4569FR5TVlzbqEOI8LrJqCuqDByo41DzcNAu/7Hpy26 N2Ub6/01R02Gvdvls1MOyvogeWdWLsaVmCJqDhcU8kU30k6QmO+8hjIYlrJ6jf8H 8BUyxtk3Uyea7P7DzIqswM+As4+XkKTnpROBsfF5pgIXy9XBob4I0bN+AsrHkXU5 FU6l1ppuhEYvUmDGYuGm2pxZjj3atKyjgftOSQeMOvtHRlbty3qIGAK3FXfG/8Ia S+ph+N63e1riuFnifbdYOD3J56nC0ccdfeofB2gbByWX+X9DAvwixTVp1Eizft4= =YgKv -----END PGP SIGNATURE-----