Gateway Mapping of User Interface Fields for Tokenized Data Protection
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Solution Overview
Problem
Existing data protection methods, such as transport layer encryption, fail to protect sensitive data from servers since the server has access to the encryption key, requiring retrofitting of client devices and are infeasible for end-users to modify client UI extensions.
Innovation Solution
Implementing a gateway device that tokenizes and encrypts sensitive data using a mapping between client interface fields and payload data portions, with a security policy enforced by a gateway intermediary, ensuring data protection across different administrative domains.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If transport layer encryption is used to protect sensitive data, then data protection from unauthorized entities is improved, but the server still has access to the encryption key and can access the data
Solution Approach 1:
The patent introduces a gateway as an intermediary component between the client and server. The gateway receives sensitive data from the client, applies security policies (such as tokenization or encryption), and then forwards the processed data to the server. This intermediary architecture allows the system to protect sensitive data from server access while maintaining the server's ability to process non-sensitive information, directly resolving the contradiction between data protection and server accessibility.
2Reliability
If client devices are retrofitted with data protection mechanisms, then data protection from servers is improved, but the complexity and cost of deploying across thousands or millions of devices increases
Solution Approach 1:
Instead of modifying client devices, the patent places the data protection functionality in a gateway that sits between the client and server. The gateway handles all security policy enforcement, tokenization, and data transformation operations centrally. This approach eliminates the need to retrofit individual client devices, reducing deployment complexity while maintaining strong data protection capabilities.
Solution Approach 2:
The gateway serves multiple functions: it acts as a proxy for client-server communication, enforces security policies, performs data tokenization, and manages encryption/decryption operations. By consolidating these diverse functions into a single universal component, the system achieves comprehensive data protection without requiring modifications to individual client devices or servers.
3Reliability
If end-users are required to modify client UI extensions, then data protection is improved, but feasibility decreases when clients are server-originated web pages
Solution Approach 1:
The gateway intermediary handles all data protection operations without requiring any modifications to client UI extensions or web pages. Since the gateway operates at the network layer between client and server, it can intercept and process sensitive data regardless of whether the client is a native application, browser extension, or server-originated web page, making the solution universally applicable without user modification.
Data Source
AI summary
A gateway device for implementing data security is described herein. The gateway device is coupled between a client device and a server device, and generates a mapping between portions of data received from a client device and interface fields or data elements of the client device. Upon receiving subsequent data from the client device, the gateway device can access the generated mapping to identify portions of the subsequent data corresponding to particular interface fields or data elements of the client device using the mapping, and can encode the identified portions of the subsequent data, for instance based on data protection techniques defined by a security policy. The encoded data can then be outputted by the gateway device to the server device.