Assa Abloy has been granted a patent for a method that establishes a secure communication channel between devices. The process involves nonce transmission, identity verification, and the exchange of encrypted data objects, culminating in the generation of a session key for secure interactions. GlobalData’s report on Assa Abloy 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 Assa Abloy, Intelligent access control was a key innovation area identified from patents. Assa Abloy's grant share as of July 2024 was 54%. Grant share is based on the ratio of number of grants to total number of patents.
The patent US12069162B2 outlines a method for establishing a secure communication channel between devices, specifically focusing on the exchange of nonces and encrypted data objects. The process begins with an initiator device transmitting a first nonce to a responder device, which then sends back a second nonce along with its identity. The initiator subsequently transmits its identity and a first set of encrypted data objects to the responder, which includes the second nonce encrypted with a session key. The responder also sends a second set of encrypted data objects back to the initiator, allowing both devices to generate a session key for secure communication. The claims detail various configurations for the identities of the devices, which may include public keys or certificates, and specify the encryption methods used for the data objects, such as block cipher modes and message authentication codes.
Additionally, the patent describes the roles of the initiator and responder devices, which can include access control system readers or credential devices. The claims further elaborate on the structure of the encrypted data objects, indicating that they may consist of multiple encrypted components, each employing different encryption techniques. The method emphasizes the importance of securely exchanging identities and nonces to establish a robust session key, ensuring that the communication between the devices remains confidential and protected against unauthorized access. The patent also includes provisions for non-transitory computer-readable media that can execute the described methods, reinforcing the practical application of the technology in secure communication systems.
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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.
