-----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-zencart-15.1-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-zencart-15.1-stretch-amd64.iso c3352e9adb1790cb7cf682cd8488c6bdd65d7a635e90887a4c9c6b5935f92f9f turnkey-zencart-15.1-stretch-amd64.iso $ sha512sum turnkey-zencart-15.1-stretch-amd64.iso 2483a1cfedc20df8018208ab4654c5956de47c9268b26e4882488a9f623aff55114442168c44c594cfb2067a02e87a538bf5bfb5f83f54e172a0ac771c4af822 turnkey-zencart-15.1-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-zencart-15.1-stretch-amd64.iso.hash turnkey-zencart-15.1-stretch-amd64.iso: OK $ sha512sum -c turnkey-zencart-15.1-stretch-amd64.iso.hash turnkey-zencart-15.1-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEyBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlv/pkEACgkQhcJelaFu uU3uWQf3TBXdkborkKF5skUyWfG6kdCQpGfOwUlvEhvRKlHze3h1m0923sYF+N0u rMoCiJrRV+yXstaKbBeL/Mrh15qX2InhVG1f9xy1zcXYVLx9ylW3Hvlqn8CA7qLE FXRSy4Pn8ZUzCkHuoSqBscGWZ9qjaSJtW1pa74+livy73Hr35ZQID1dG6q2b4Ru5 vjvfr/gF8v+lNLbSy3+eVk8YmYu3Hnw1CAS1dGyH0+7nrOeoREKsQqpLZMLq+sl8 Lf6/9uf241wc+2sbrT/x+3hKBbZhI34L+M3PTQY0k5FUfOuqTjLZp5dC8NQrb/R+ cb62IfXxDDYsQg5oFQ7U1WcdRy/i =dlO8 -----END PGP SIGNATURE-----