Encrypted Name Resolution Client Server Mediator

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Solution Overview

Problem

Existing information processing systems lack the capability to request encrypted name resolution without implementing an encrypted name resolution client application.

Innovation Solution

An information processing system that includes a processor configured to request an encrypted name resolution client server to resolve a host name using encrypted communication with an encrypted name resolution server.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If an encrypted name resolution client application is implemented, then encrypted name resolution can be performed, but device complexity increases

Engineering Contradiction:

Improveencrypted name resolution capabilityVSAvoidclient application implementation

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary server that acts as a mediator between the information processing apparatus and the encrypted name resolution server. The server performs the encrypted name resolution on behalf of the apparatus, allowing the apparatus to obtain encrypted name resolution functionality without implementing a complex client application. The server translates regular DNS queries into encrypted DNS queries and returns the results to the apparatus.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If encrypted communication is used for name resolution, then security is improved, but compatibility with existing systems decreases

Engineering Contradiction:

ImprovesecurityVSAvoidsystem compatibility

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The intermediary server maintains compatibility with existing systems by accepting standard DNS queries from information processing apparatuses without requiring them to support encrypted DNS protocols. The server then translates these queries into encrypted DNS requests to the encrypted name resolution server, enabling secure communication while preserving backward compatibility with legacy clients.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The system separates the encryption functionality from the name resolution functionality. The intermediary server handles the encryption/decryption layer, while the underlying name resolution logic remains unchanged. This segmentation allows encrypted name resolution to be introduced without modifying existing DNS infrastructure or client applications.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS20250030670A1Information processing system and non-transitory computer readable medium storing information processing program

Publication Date: 2025.01.23 FUJIFILM BUSINESS INNOVATION CORP

AI summary

An information processing system includes a processor configured to, in a case where a request to resolve a host name is received, request an encrypted name resolution client server that performs name resolution using encrypted communication with an encrypted name resolution server to resolve the host name.