RF IP Security Test Apparatus for Communication Endpoint Analysis

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Solution Overview

Problem

The increasing complexity of IP-based communication terminals requires comprehensive testing of both RF and IP measurements, and there is a growing need to assess the cybersecurity of these devices, which existing methods do not adequately address.

Innovation Solution

A test apparatus comprising an RF unit and an IP unit that analyzes RF signals carrying IP data to evaluate the security of IP-based communication terminals using various security criteria related to communication endpoints, including reputation, usage age, geographical location, and cryptographic parameters, to calculate an overall communication security score.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If comprehensive security testing of IP-based communication terminals is performed using multiple security criteria, then the cybersecurity assessment capability is improved, but the device complexity and testing time increase

Engineering Contradiction:
Improvecybersecurity assessment capabilityVSAvoidtesting system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The testing system is divided into distinct functional modules: an RF unit for receiving and analyzing RF signals, an IP unit for extracting and analyzing IP data, and a security assessment unit for evaluating security criteria. Each module performs a specific function, allowing comprehensive security testing while managing complexity through modular design. The RF unit handles signal reception, the IP unit handles data extraction, and the security unit handles assessment, creating a segmented but integrated testing approach.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The test apparatus is designed to perform multiple functions within a single integrated system. The same apparatus can conduct both RF measurements and IP measurements, evaluate multiple security criteria (reputation, geographical location, cryptographic parameters, etc.), and assess overall communication security. This multi-functional design improves reliability without requiring separate specialized systems for each testing aspect.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If multiple security criteria are analyzed for communication endpoints, then the detection precision of malicious activities is improved, but the measurement and analysis time increases

Engineering Contradiction:
Improvedetection precision of malicious activitiesVSAvoidanalysis time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The system performs preliminary extraction of IP data from RF signals before conducting security criteria analysis. The IP unit pre-processes the received RF signals to extract relevant IP information, preparing the data structure in advance. This preliminary action allows the security assessment unit to efficiently evaluate multiple security criteria without redundant processing, reducing overall analysis time while maintaining detection precision.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system replaces manual or sequential security analysis with automated electronic processing. The IP unit automatically extracts IP data from RF signals, and the security assessment unit automatically evaluates multiple security criteria through electronic comparison and analysis. This substitution of automated electronic systems for manual processes significantly reduces analysis time while improving measurement precision through consistent, repeatable evaluation of all security criteria.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentEP3276907B1A method and apparatus for testing a security of communication of a device under test
Publication Date: 2024.05.08 ROHDE & SCHWARZ GMBH & CO KG
  • EP3276907B1 patent drawingFigure 1~2
  • EP3276907B1 patent drawingFigure 3
  • EP3276907B1 patent drawingFigure 4

AI summary

A test apparatus (1) for testing a security of communication of a device under test, DUT, (4), wherein the test apparatus (1) comprises an RF unit (2) having an RF interface adapted to receive from the device under test, DUT, (4) an RF signal carrying Internet Protocol, IP, data including at least one IP address; and an IP unit (3) adapted to analyse IP data carried in the received RF signal to check communication security of the device under test, DUT, (4) using at least one security criterion, SC-CEP, related to a communication endpoint, CEP, addressed by the IP address and/or using at least one security criterion, SC-DUT, related to the device under test, DUT, (4) itself and/or using at least one security criteria, SC-IPC, related to the IP connection between the device under test, DUT (4) and the communication endpoint, CEP, addressed by the IP address extracted from the IP data carried in the RF signal.