Abstract: A non-transitory computer-readable medium comprising a black zone and a plurality of other electronic components for protecting a data exchange from a malicious attack on the data, that when executed on a processor, perform the steps comprising receiving a client hello message from a client, transmitting a server hello message, receiving a pre-master secret message encrypted with a server public key, storing the pre-master secret, protecting the black zone from malicious attacks on data by isolating hardware of the black zone from the plurality of other electronic components, calculating a master secret in the black zone, storing the master secret as a black key in the black zone, receiving a changed cipher specification and finished message encrypted with a session key, and transmitting a finished message encrypted with a symmetric key. The server hello message comprises a certificate.