-----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-oscommerce-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-oscommerce-15.0-stretch-amd64.iso 95bb9c75fce8241ad91f413d29fff422d28f453ebff4e1918db326c4d3343fa6 turnkey-oscommerce-15.0-stretch-amd64.iso $ sha512sum turnkey-oscommerce-15.0-stretch-amd64.iso d7d33104689f394613608918901ab65b612c80d9b2676eb9546a9081b58fc4f26fefe20d2a4b1a1e9d58e49cd422b83b3fa21181e1c3922997b98a5f9cf5fd38 turnkey-oscommerce-15.0-stretch-amd64.iso Note, you can compare hashes automatically:: $ sha256sum -c turnkey-oscommerce-15.0-stretch-amd64.iso.hash turnkey-oscommerce-15.0-stretch-amd64.iso: OK $ sha512sum -c turnkey-oscommerce-15.0-stretch-amd64.iso.hash turnkey-oscommerce-15.0-stretch-amd64.iso: OK -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEaUz/JnlaKbrge061hcJelaFuuU0FAlvITPoACgkQhcJelaFu uU1I3QgAszqZvzNkCliKGDsK8W7tUClxcQeeaK0LzLJcHiIpc+Spgc1KXvE4Y2FD BIMJ0UnDhPdcE4ZTLA4yB0BaD9DaJFldf05cy0UqzQiTWGVjkjCuKDO5vCpbXe2Z pchSwaL4RbvMGqB52xHYmU8llA540UFtr4MqGJnmI+sYRRR3F9b/Ua7d13LhS+UE eAZpZ0idB+HLVCQyIjall5HCHybaVQLHvLJ0+C1ZiaIpa4dkZeXvmWEKdIZsX29u 91z6g4q8vXFPFgY5xCGPPAwGeO7UUkhHwjhJIc5P+dkN443jtwlhXFAcdhbUesg7 ydP58fm9nzvEU0HpKtAClaD/0rJFWw== =A93b -----END PGP SIGNATURE-----