Kudelski’s patent describes a method and system for secure communication between two devices using different key exchange protocols. A proxy entity facilitates the negotiation and generation of session keys, enabling encrypted data exchange over a wireless network while maintaining security for both devices. GlobalData’s report on Kudelski 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 Kudelski, Digital watermarking was a key innovation area identified from patents. Kudelski's grant share as of June 2024 was 53%. Grant share is based on the ratio of number of grants to total number of patents.
Secure communication between devices using different key exchange protocols
The patent US12047771B2 outlines a method for secure communication between two devices, facilitated by a proxy entity that implements two distinct key exchange protocols. The process begins with the proxy negotiating a first device key for a first device and a second device key for a second device, each configured to operate under different key exchange protocols. The proxy computes session keys for both devices, enabling encrypted data exchange. The method allows for the proxy to decrypt and re-encrypt data as it is transmitted between the devices, ensuring secure communication over a wireless network. The claims also specify that the communication may involve provisioning data, keys, or codes necessary for authentication or cryptography.
Additionally, the patent describes the operational flexibility of the devices and the proxy entity. The first device may be a low-order device using lightweight cryptographic protocols, while the second device may be a high-order device employing Internet-related security protocols such as TLS or HTTPS. The proxy can be integrated within the user network or operate externally, and it is designed to handle scenarios where the devices are incompatible with each other's key exchange protocols. The claims further detail the establishment of secure communication sessions, including the generation of challenges and responses between the devices, ensuring that data transfer is secure and efficient.
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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.
