Northrop Grumman has been granted a patent for a key updater that generates a secure key for communication between parties on a network. The system verifies the key with multiple parties and detects any compromised nodes. This innovation enhances network security and data protection. GlobalData’s report on Northrop Grumman gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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Data Insights Northrop Grumman Corp - Company Profile

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According to GlobalData’s company profile on Northrop Grumman, Superconducting quantum circuits was a key innovation area identified from patents. Northrop Grumman's grant share as of April 2024 was 65%. Grant share is based on the ratio of number of grants to total number of patents.

Key updater for secure communication between parties on a network

Source: United States Patent and Trademark Office (USPTO). Credit: Northrop Grumman Corp

A recently granted patent (Publication Number: US11973861B2) discloses a system and method for updating a key for secure communication between parties on a network. The patent describes a non-transitory machine-readable medium with machine-executable instructions that include a key updater for generating a mutually distilled key for communication between parties and determining verifying parties needed to authenticate the key. The key equivalency test is iteratively executed for each verifying party to determine a nonce sum, leading to the generation of a final key if the test is successful for all verifying parties. The key updater further encrypts and transmits hashed values and nonce values between parties without transmitting the key itself, ensuring secure communication without compromising key information.

Moreover, the patent also covers a system and method for verifying a key between computing devices on a network. The method involves generating a mutually distilled key, determining verifying parties, and iteratively executing a key equivalency test for each party to determine a nonce sum. The final key is generated based on the successful execution of the test for all verifying parties. The method emphasizes secure communication by encrypting and transmitting hashed values and nonce values without revealing the key itself. Additionally, the mutually distilled key can be generated using quantum key distribution techniques over a quantum channel, enhancing the security of the communication process. Overall, the patent provides a comprehensive approach to updating and verifying keys for secure communication on a network, ensuring data confidentiality and integrity without compromising key information.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.