Patent ID: 9722791
Date: 2017-08-01
CPC Classifications: H04L

Claim:
1. A computing system for providing cryptographic isolation between a client device and a server computer for providing a network service to the client device, the computing system comprising: a first data port coupled to the client device; a second data port coupled to the server computer; a non-transitory, tangible storage medium in which is stored (a) an encryption, using an irreversible encryption algorithm, of original user authentication data that are a function of a unique property of the client device and a unique property of a user of the client device, and (b) an encryption, using a reversible encryption algorithm that uses the original user authentication data as a decryption parameter, of service authorization data required by the server computer to be presented to the server computer as a condition of permitting the user to access the network service; and a computing processor configured to receive purported user authentication data in combination with a request to access the network service, and in response to such receipt, to perform the processes of: