-----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-openvpn-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-openvpn-14.2-jessie-amd64.iso 23ea2ada364a5d6bd155f97b96a24302f68c95481211006f2e563021fc7342ce turnkey-openvpn-14.2-jessie-amd64.iso $ sha512sum turnkey-openvpn-14.2-jessie-amd64.iso 80c761059a44f3853194b8e2ceb321448dd75756b772078e2effeb874e1bcd126e84b99ce20ada4c9e07e793193511db5fe2f411bafdb09736d49bf50cddacd1 turnkey-openvpn-14.2-jessie-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-openvpn-14.2-jessie-amd64.iso.hash turnkey-openvpn-14.2-jessie-amd64.iso: OK $ sha512sum -c turnkey-openvpn-14.2-jessie-amd64.iso.hash turnkey-openvpn-14.2-jessie-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEcBAEBCAAGBQJZVQkpAAoJEIXCXpWhbrlN8sMH/0yBwB8kNfuK2JPd0c0XsOJi W3DGSiLxBYaU+00KrprFeFEiH5lf/80hapjbfGyKzByC/ptuPSv+wDIWoXRAPskD Pdv5Vy69ld0QWFeISKWH9ex2ntfeRFMd+F3csY3VbGjkkvA4572PzOrWgtSdzoVZ e8HxBAtu9omO1iz92GRWLtS3KYcb13nhOFmyG/g4USRxuXBflseHxQ7RfH4c+9wT mpk98koWDxsIEskXpTmu27jz/triPm0dkCSVDLUdUuAN0xjQ04zD1YwWFRpb4JeE SjDfCqRwH36+v+GjbeuIki3w+i1+rvRJziL98Lx0nYNkI+DP+nRwWpIuus1Av9M= =SLTK -----END PGP SIGNATURE-----