Keysight Technologies has been granted a patent for a method to test systems under test (SUT) using layer 2 secure channels. The method involves sending and receiving test packets over a communication link, forming a unique test identifier, and decrypting encrypted portions using a security key. GlobalData’s report on Keysight Technologies gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Keysight Technologies, Network traffic analysis was a key innovation area identified from patents. Keysight Technologies's grant share as of May 2024 was 46%. Grant share is based on the ratio of number of grants to total number of patents.
Secure channel testing method for system under test
A recently granted patent (Publication Number: US12015642B2) outlines a method and system for testing a system under test (SUT) using a layer 2 secure channel bound to an emulated network device. The method involves sending a test packet to the SUT, receiving a response packet with encrypted and unencrypted portions, forming a unique test identifier using bits from the response packet, and decrypting the encrypted portion using a security key derived from the test identifier. The system includes processors, memory, and networking circuits configured to perform these operations efficiently.
Furthermore, the patent details additional features such as storing test metrics for the emulated network device, utilizing a medium access control security (MACsec) secure channel, incorporating a multi-protocol label switching identifier (MPLS ID) for device identification, and decrypting incoming packets at line rate. The system also allows for preconfiguring programmable logic devices for specific test cases, enhancing the testing process. By utilizing a subset of bits from the unencrypted portion of the response packet to form a test identifier, the method and system provide a streamlined approach to testing SUTs with enhanced security measures, ensuring efficient and accurate results.
To know more about GlobalData’s detailed insights on Keysight Technologies, buy the report here.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
